@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
:root{--color-primary:#0f2a4a;--color-primary-light:#1a3d6b;--color-primary-dark:#091c33;--color-accent:#f97316;--color-accent-light:#fb923c;--color-accent-dark:#ea6800;--color-bg:#f0f4f8;--color-bg-dark:#e8edf3;--color-surface:#ffffff;--color-surface-hover:#f8fafc;--color-text-primary:#0f1c2e;--color-text-secondary:#4a6080;--color-text-muted:#8aa0b8;--color-success:#16a34a;--color-success-bg:#dcfce7;--color-warning:#d97706;--color-warning-bg:#fef3c7;--color-danger:#dc2626;--color-danger-bg:#fee2e2;--color-info:#2563eb;--color-info-bg:#dbeafe;--border-color:#e2e8f0;--border-color-dark:#cbd5e1;--border-radius-sm:8px;--border-radius:12px;--border-radius-lg:16px;--border-radius-full:9999px;--shadow-xs:0 1px 2px rgba(0,0,0,0.05);--shadow-sm:0 2px 8px rgba(0,0,0,0.06),0 1px 3px rgba(0,0,0,0.08);--shadow:0 4px 16px rgba(0,0,0,0.08),0 2px 6px rgba(0,0,0,0.06);--shadow-lg:0 8px 32px rgba(0,0,0,0.12),0 4px 12px rgba(0,0,0,0.08);--shadow-xl:0 20px 60px rgba(0,0,0,0.15);--sidebar-width:260px;--sidebar-collapsed:72px;--transition:0.2s ease;--transition-slow:0.35s ease;--header-height:64px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--color-bg);color:var(--color-text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
button{cursor:pointer;font-family:inherit;border:none;outline:none}
input,textarea,select{font-family:inherit;outline:none}
img{max-width:100%}
ul,ol{list-style:none}
.app-layout{display:flex;min-height:100vh}
.app-content{flex:1;margin-left:var(--sidebar-width);min-height:100vh;transition:margin-left var(--transition-slow)}
.app-content.sidebar-collapsed{margin-left:var(--sidebar-collapsed)}
.page-container{padding:24px 28px}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-width);background:var(--color-primary);display:flex;flex-direction:column;z-index:100;transition:width var(--transition-slow);overflow:hidden}
.sidebar.collapsed{width:var(--sidebar-collapsed)}
.sidebar-logo{display:flex;align-items:center;gap:12px;padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,0.08);white-space:nowrap;overflow:hidden}
.sidebar-logo .logo-icon{width:40px;height:40px;background:var(--color-accent);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.sidebar-logo .logo-text{font-weight:700;font-size:16px;color:#fff;line-height:1.2}
.sidebar-logo .logo-sub{font-size:11px;color:rgba(255,255,255,0.5);font-weight:400}
.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto;overflow-x:hidden}
.sidebar-nav::-webkit-scrollbar{width:3px}
.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.1);border-radius:2px}
.nav-group{margin-bottom:4px}
.nav-group-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:rgba(255,255,255,0.35);padding:12px 20px 4px;white-space:nowrap;overflow:hidden}
.sidebar.collapsed .nav-group-label{opacity:0}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 14px;color:#94a3b8;font-size:14px;font-weight:500;cursor:pointer;transition:all var(--transition);white-space:nowrap;overflow:hidden;margin:2px 10px;border-radius:10px;position:relative;border:1px solid transparent}
.nav-item:hover{background:rgba(255,255,255,0.06);color:#f8fafc}
.nav-item.active{background:linear-gradient(135deg,rgba(249,115,22,0.18) 0%,rgba(249,115,22,0.06) 100%) !important;color:#ffffff !important;border:1px solid rgba(249,115,22,0.35) !important;box-shadow:0 4px 14px rgba(249,115,22,0.15) !important;font-weight:600 !important}
.nav-item.active::before{display:none}
.nav-icon{font-size:18px;width:22px;height:22px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:inherit}
.nav-item.active .nav-icon{color:var(--color-accent) !important;filter:drop-shadow(0 0 6px rgba(249,115,22,0.5)) !important}
.nav-item.active .nav-icon svg{stroke:var(--color-accent) !important}
.nav-label{font-size:14px;transition:opacity var(--transition)}
.sidebar.collapsed .nav-label{opacity:0}
.sidebar-bottom{padding:16px 12px;border-top:1px solid rgba(255,255,255,0.08)}
.user-card{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;cursor:pointer;transition:background var(--transition);overflow:hidden}
.user-card:hover{background:rgba(255,255,255,0.06)}
.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--color-accent);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;flex-shrink:0}
.user-info{overflow:hidden}
.user-name{font-size:13px;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-role{font-size:11px;color:rgba(255,255,255,0.45);white-space:nowrap}
.sidebar.collapsed .user-info{opacity:0}
.app-header{height:var(--header-height);background:#091322 !important;border-bottom:1px solid rgba(255,255,255,0.08) !important;box-shadow:0 4px 20px rgba(0,0,0,0.25) !important;display:flex;align-items:center;padding:0 28px;gap:16px;position:sticky;top:0;z-index:50}
.header-toggle{width:36px;height:36px;border-radius:8px;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition);font-size:16px;color:#cbd5e1}
.header-toggle:hover{background:rgba(255,255,255,0.15);color:#ffffff}
.header-title{flex:1;font-size:18px;font-weight:700;color:#ffffff !important}
.header-actions{display:flex;align-items:center;gap:8px}
@media (min-width: 769px) {
  .header-toggle { display: none !important; }
}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--border-radius-sm);font-size:14px;font-weight:600;transition:all var(--transition);cursor:pointer;border:none;white-space:nowrap}
.btn:disabled{opacity:0.55;cursor:not-allowed;pointer-events:none}
.btn-primary{background:var(--color-accent);color:#fff}
.btn-primary:hover{background:var(--color-accent-dark);transform:translateY(-1px);box-shadow:0 4px 12px rgba(249,115,22,0.35)}
.btn-secondary{background:var(--color-bg);color:var(--color-text-primary);border:1px solid var(--border-color)}
.btn-secondary:hover{background:var(--color-bg-dark)}
.btn-outline{background:transparent;color:var(--color-accent);border:1.5px solid var(--color-accent)}
.btn-outline:hover{background:var(--color-accent);color:#fff}
.btn-danger{background:var(--color-danger);color:#fff}
.btn-danger:hover{background:#b91c1c}
.btn-ghost{background:transparent;color:var(--color-text-secondary);padding:8px 12px}
.btn-ghost:hover{background:var(--color-bg);color:var(--color-text-primary)}
.btn-success{background:var(--color-success);color:#fff}
.btn-sm{padding:6px 14px;font-size:13px}
.btn-lg{padding:14px 28px;font-size:15px}
.btn-icon{width:36px;height:36px;padding:0;border-radius:var(--border-radius-sm)}
.card{background:var(--color-surface);border-radius:var(--border-radius);border:1px solid var(--border-color);box-shadow:var(--shadow-xs)}
.card-header{padding:18px 20px 16px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-title{font-size:15px;font-weight:700;color:var(--color-text-primary)}
.card-body{padding:20px}
.card-footer{padding:14px 20px;border-top:1px solid var(--border-color);display:flex;align-items:center;gap:8px}
.stat-card{background:var(--color-surface);border-radius:var(--border-radius);border:1px solid var(--border-color);padding:20px;box-shadow:var(--shadow-xs);transition:all var(--transition)}
.stat-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.stat-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;color:var(--color-text-muted);margin-bottom:8px}
.stat-value{font-size:28px;font-weight:800;color:var(--color-text-primary);line-height:1;margin-bottom:4px}
.stat-sub{font-size:12px;color:var(--color-text-muted)}
.stat-icon{font-size:28px;margin-bottom:12px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--color-text-secondary);margin-bottom:6px}
.form-control{width:100%;padding:10px 14px;border:1.5px solid var(--border-color);border-radius:var(--border-radius-sm);font-size:14px;color:var(--color-text-primary);background:var(--color-surface);transition:all var(--transition)}
.form-control:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px rgba(249,115,22,0.12)}
.form-control::placeholder{color:var(--color-text-muted)}
.form-control.error{border-color:var(--color-danger)}
select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238aa0b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}
textarea.form-control{resize:vertical;min-height:100px}
.form-error{font-size:12px;color:var(--color-danger);margin-top:4px}
.form-hint{font-size:12px;color:var(--color-text-muted);margin-top:4px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.table-wrapper{overflow-x:auto;border-radius:var(--border-radius);border:1px solid var(--border-color)}
table{width:100%;border-collapse:collapse;font-size:14px}
thead{background:var(--color-bg)}
th{padding:12px 16px;text-align:left;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--color-text-muted);border-bottom:1px solid var(--border-color);white-space:nowrap}
td{padding:14px 16px;color:var(--color-text-primary);border-bottom:1px solid var(--border-color);font-size:14px}
tr:last-child td{border-bottom:none}
tbody tr{transition:background var(--transition)}
tbody tr:hover{background:var(--color-surface-hover)}
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:var(--border-radius-full);font-size:12px;font-weight:600;white-space:nowrap}
.badge-success{background:var(--color-success-bg);color:var(--color-success)}
.badge-warning{background:var(--color-warning-bg);color:var(--color-warning)}
.badge-danger{background:var(--color-danger-bg);color:var(--color-danger)}
.badge-info{background:var(--color-info-bg);color:var(--color-info)}
.badge-primary{background:rgba(15,42,74,0.1);color:var(--color-primary)}
.badge-accent{background:rgba(249,115,22,0.1);color:var(--color-accent)}
.badge-gray{background:var(--color-bg-dark);color:var(--color-text-secondary)}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.5);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity var(--transition)}
.modal-overlay.active{opacity:1;pointer-events:all}
.modal{background:var(--color-surface);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-xl);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;transform:scale(0.95) translateY(20px);transition:transform var(--transition)}
.modal-overlay.active .modal{transform:scale(1) translateY(0)}
.modal.modal-lg{max-width:780px}
.modal.modal-sm{max-width:420px}
.modal-header{padding:20px 24px 16px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:17px;font-weight:700;color:var(--color-text-primary)}
.modal-close{width:32px;height:32px;border-radius:8px;background:var(--color-bg);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--color-text-muted);transition:all var(--transition)}
.modal-close:hover{background:var(--color-danger-bg);color:var(--color-danger)}
.modal-body{padding:24px}
.modal-footer{padding:16px 24px;border-top:1px solid var(--border-color);display:flex;align-items:center;justify-content:flex-end;gap:10px}
.toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:10px;max-width:380px;width:calc(100% - 48px)}
.toast{background:#1e293b;color:#fff;padding:14px 18px;border-radius:12px;font-size:14px;font-weight:500;line-height:1.5;box-shadow:0 8px 24px rgba(0,0,0,0.25);display:flex;align-items:flex-start;gap:12px;animation:slideInToast 0.3s ease;border-left:4px solid var(--color-accent)}
.toast.toast-success{border-left-color:var(--color-success)}
.toast.toast-error{border-left-color:var(--color-danger)}
.toast.toast-warning{border-left-color:var(--color-warning)}
.toast-icon{font-size:18px;flex-shrink:0;margin-top:1px}
.toast-close{margin-left:auto;background:none;border:none;color:rgba(255,255,255,0.5);cursor:pointer;font-size:16px;padding:0;flex-shrink:0}
@keyframes slideInToast{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
.pagination{display:flex;align-items:center;justify-content:center;gap:4px;padding:16px 0}
.page-btn{width:36px;height:36px;border-radius:8px;border:1.5px solid var(--border-color);background:var(--color-surface);color:var(--color-text-secondary);font-size:14px;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition)}
.page-btn:hover{border-color:var(--color-accent);color:var(--color-accent)}
.page-btn.active{background:var(--color-accent);border-color:var(--color-accent);color:#fff;font-weight:700}
.page-btn:disabled{opacity:0.4;cursor:not-allowed;pointer-events:none}
.progress-bar-wrap{background:var(--color-bg-dark);border-radius:var(--border-radius-full);overflow:hidden;height:8px}
.progress-bar-fill{height:100%;border-radius:var(--border-radius-full);background:var(--color-accent);transition:width 0.6s ease}
.progress-bar-fill.blue{background:var(--color-info)}
.progress-bar-fill.green{background:var(--color-success)}
.progress-bar-fill.primary{background:var(--color-primary)}
.empty-state{text-align:center;padding:60px 24px;color:var(--color-text-muted)}
.empty-state-icon{font-size:48px;margin-bottom:16px;opacity:0.5}
.empty-state-title{font-size:16px;font-weight:700;color:var(--color-text-secondary);margin-bottom:6px}
.empty-state-desc{font-size:14px;line-height:1.5;max-width:300px;margin:0 auto 20px}
.skeleton{background:linear-gradient(90deg,var(--color-bg) 25%,var(--color-bg-dark) 50%,var(--color-bg) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:6px}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.tabs{display:flex;gap:4px;border-bottom:2px solid var(--border-color);margin-bottom:24px}
.tab-btn{padding:10px 18px;border:none;background:transparent;font-size:14px;font-weight:600;color:var(--color-text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all var(--transition);border-radius:4px 4px 0 0}
.tab-btn:hover{color:var(--color-text-primary);background:var(--color-bg)}
.tab-btn.active{color:var(--color-accent);border-bottom-color:var(--color-accent)}
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:12px}
.section-title{font-size:17px;font-weight:700;color:var(--color-text-primary)}
.section-sub{font-size:13px;color:var(--color-text-muted);margin-top:2px}
.divider{height:1px;background:var(--border-color);margin:20px 0}
.countdown-display{font-size:22px;font-weight:800;color:var(--color-accent);font-variant-numeric:tabular-nums;letter-spacing:0.02em}
.streak-badge{display:inline-flex;align-items:center;gap:6px;background:linear-gradient(135deg,#ff6b35,#f7931e);color:#fff;padding:6px 14px;border-radius:var(--border-radius-full);font-size:14px;font-weight:700;box-shadow:0 2px 8px rgba(249,115,22,0.35)}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-color-dark);border-radius:3px}
.text-center{text-align:center}.text-right{text-align:right}
.text-muted{color:var(--color-text-muted)!important}
.text-secondary{color:var(--color-text-secondary)!important}
.text-accent{color:var(--color-accent)!important}
.text-success{color:var(--color-success)!important}
.text-danger{color:var(--color-danger)!important}
.text-warning{color:var(--color-warning)!important}
.fw-600{font-weight:600}.fw-700{font-weight:700}.fw-800{font-weight:800}
.fs-12{font-size:12px}.fs-13{font-size:13px}.fs-14{font-size:14px}
.d-flex{display:flex}.align-center{align-items:center}.justify-between{justify-content:space-between}
.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-20{gap:20px}
.mb-4{margin-bottom:4px}.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}.mb-20{margin-bottom:20px}.mb-24{margin-bottom:24px}
.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-20{margin-top:20px}
.w-full{width:100%}.hidden{display:none!important}
.landing-nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:0 40px;height:70px;display:flex;align-items:center;justify-content:space-between;background:rgba(9,28,51,0.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,0.08);transition:box-shadow var(--transition)}
.landing-nav.scrolled{box-shadow:0 10px 30px rgba(0,0,0,0.3)}
.landing-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#ffffff}
.landing-logo .logo-icon{width:38px;height:38px;background:var(--color-accent);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px}
.landing-nav-links{display:flex;align-items:center;gap:20px}
.landing-nav-links a{font-size:13.5px;font-weight:600;color:rgba(255,255,255,0.8);transition:color var(--transition)}
.landing-nav-links a:hover{color:var(--color-accent)}
.landing-main{padding-top:70px}
.hero{background:radial-gradient(ellipse at 50% -10%, #153c6d 0%, #0c2444 42%, #061426 100%);padding:100px 0 85px;text-align:center;color:#fff;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background-image:radial-gradient(rgba(255, 255, 255, 0.14) 1.2px, transparent 1.2px);background-size:26px 26px;-webkit-mask-image:radial-gradient(ellipse 70% 65% at 50% 35%, #000 25%, transparent 85%);mask-image:radial-gradient(ellipse 70% 65% at 50% 35%, #000 25%, transparent 85%);pointer-events:none;z-index:0}
.hero::after{content:'';position:absolute;top:45%;left:50%;transform:translate(-50%, -50%);width:720px;height:720px;border-radius:50%;border:1px solid rgba(56, 189, 248, 0.14);box-shadow:0 0 0 160px rgba(56, 189, 248, 0.035), 0 0 0 340px rgba(249, 115, 22, 0.025), inset 0 0 90px rgba(56, 189, 248, 0.07);background:radial-gradient(circle, rgba(56, 189, 248, 0.16) 0%, rgba(249, 115, 22, 0.1) 45%, transparent 72%);filter:blur(2px);pointer-events:none;z-index:0}
.hero-content{position:relative;z-index:1;max-width:820px;margin:0 auto;padding:0 24px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(249, 115, 22, 0.15);border:1px solid rgba(249, 115, 22, 0.4);padding:8px 18px;border-radius:var(--border-radius-full);font-size:13px;font-weight:700;color:#fb923c;margin-bottom:26px;backdrop-filter:blur(8px);box-shadow:0 4px 18px rgba(249, 115, 22, 0.2)}
.hero h1{font-size:58px;font-weight:900;line-height:1.12;margin-bottom:20px;letter-spacing:-0.03em;color:#ffffff}
.hero h1 .accent{background:linear-gradient(135deg, #f97316 0%, #fb923c 50%, #fed7aa 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:inline-block}
.hero-sub{font-size:17px;color:#cbd5e1;line-height:1.65;max-width:620px;margin:0 auto 34px}
.hero-actions{display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap}
.hero-btn{display:inline-flex;align-items:center;gap:10px;padding:15px 28px;border-radius:14px;font-size:15.5px;font-weight:800;transition:all var(--transition);cursor:pointer;text-decoration:none}
.hero-btn-primary{background:linear-gradient(135deg, #f97316 0%, #ea580c 100%);color:#fff;box-shadow:0 8px 25px rgba(249, 115, 22, 0.45)}
.hero-btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(249, 115, 22, 0.55);color:#fff}
.hero-btn-wa{background:#22c55e !important;color:#fff !important;box-shadow:0 8px 24px rgba(34, 197, 94, 0.38) !important;border:none !important}
.hero-btn-wa:hover{background:#16a34a !important;transform:translateY(-2px) !important;box-shadow:0 12px 30px rgba(34, 197, 94, 0.5) !important;color:#fff !important}
.hero-btn-secondary{background:rgba(255, 255, 255, 0.07);color:#ffffff !important;border:1px solid rgba(255, 255, 255, 0.18);backdrop-filter:blur(8px)}
.hero-btn-secondary:hover{background:rgba(255, 255, 255, 0.14);transform:translateY(-2px);border-color:rgba(255, 255, 255, 0.3)}
.hero-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,0.45)}
.hero-stats{display:flex;justify-content:center;gap:16px;margin-top:36px;flex-wrap:wrap}
.hero-stat{background:rgba(255, 255, 255, 0.04);border:1px solid rgba(255, 255, 255, 0.09);border-radius:16px;padding:14px 26px;backdrop-filter:blur(8px);min-width:140px;transition:transform 0.2s ease, background 0.2s ease}
.hero-stat:hover{transform:translateY(-2px);background:rgba(255, 255, 255, 0.07);border-color:rgba(249, 115, 22, 0.3)}
.hero-stat-num{font-size:26px;font-weight:900;color:#f97316;line-height:1.1}
.hero-stat-label{font-size:12px;color:#94a3b8;font-weight:600;margin-top:4px;white-space:normal;text-align:center;line-height:1.25}
.landing-section{padding:80px 0}
.landing-section.alt{background:var(--color-bg)}
.section-container{max-width:1180px;margin:0 auto;padding:0 40px}
.section-badge{display:inline-block;padding:5px 14px;background:rgba(249,115,22,0.1);color:var(--color-accent);border-radius:var(--border-radius-full);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;margin-bottom:14px}
.section-heading{font-size:38px;font-weight:900;color:var(--color-text-primary);line-height:1.2;margin-bottom:14px;letter-spacing:-0.02em}
.section-desc{font-size:16px;color:var(--color-text-secondary);line-height:1.7;max-width:560px;margin-bottom:48px}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--color-surface);border-radius:var(--border-radius-lg);padding:28px;border:1px solid var(--border-color);box-shadow:var(--shadow-xs);transition:all var(--transition-slow)}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(249,115,22,0.2)}
.feature-icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,rgba(249,115,22,0.15),rgba(249,115,22,0.08));display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.feature-title{font-size:16px;font-weight:700;color:var(--color-text-primary);margin-bottom:8px}
.feature-desc{font-size:14px;color:var(--color-text-secondary);line-height:1.6}
.how-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.how-steps::before{content:'';position:absolute;top:32px;left:12%;right:12%;height:2px;background:linear-gradient(90deg,var(--color-accent),var(--color-primary));opacity:0.25}
.how-step{text-align:center;padding:20px 16px}
.step-num{width:64px;height:64px;border-radius:50%;background:var(--color-primary);color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;position:relative;z-index:1;box-shadow:0 4px 16px rgba(15,42,74,0.25)}
.how-step:nth-child(odd) .step-num{background:var(--color-accent);box-shadow:0 4px 16px rgba(249,115,22,0.35)}
.step-title{font-size:15px;font-weight:700;color:var(--color-text-primary);margin-bottom:8px}
.step-desc{font-size:13px;color:var(--color-text-secondary);line-height:1.5}
.panels-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.panel-card{padding:24px 20px;border-radius:var(--border-radius-lg);border:1px solid var(--border-color);background:var(--color-surface);text-align:center;transition:all var(--transition-slow)}
.panel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.panel-card.student{border-top:4px solid var(--color-accent)}
.panel-card.coach{border-top:4px solid var(--color-primary)}
.panel-card.parent{border-top:4px solid var(--color-success)}
.panel-card.admin{border-top:4px solid var(--color-info)}
.panel-emoji{font-size:36px;margin-bottom:12px}
.panel-title{font-size:16px;font-weight:700;color:var(--color-text-primary);margin-bottom:8px}
.panel-features{font-size:13px;color:var(--color-text-secondary);line-height:1.8}
.landing-footer{background:var(--color-primary-dark);color:rgba(255,255,255,0.7);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;max-width:1180px;margin:0 auto;padding:0 40px}
.footer-brand .logo{font-size:20px;font-weight:800;color:#fff;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.6;max-width:260px}
.footer-col h4{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,0.55);margin-bottom:8px;transition:color var(--transition)}
.footer-col a:hover{color:var(--color-accent)}
.footer-bottom{max-width:1180px;margin:40px auto 0;padding:20px 40px 0;border-top:1px solid rgba(255,255,255,0.08);display:flex;justify-content:space-between;align-items:center;font-size:13px}
.login-page{min-height:100vh;display:flex;background:linear-gradient(135deg,var(--color-primary) 0%,#1a3a6b 100%)}
.login-left{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;color:#fff}
.login-right{width:480px;background:var(--color-surface);display:flex;align-items:center;justify-content:center;padding:48px 56px}
.login-card{width:100%}
.login-logo{text-align:center;margin-bottom:32px}
.login-logo-icon{width:56px;height:56px;background:var(--color-accent);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 12px}
.login-logo-text{font-size:22px;font-weight:800;color:var(--color-primary)}
.login-logo-sub{font-size:13px;color:var(--color-text-muted);margin-top:4px}
.login-title{font-size:24px;font-weight:800;color:var(--color-text-primary);margin-bottom:6px}
.login-sub{font-size:14px;color:var(--color-text-muted);margin-bottom:28px}
.login-left h2{font-size:42px;font-weight:900;line-height:1.15;margin-bottom:20px;letter-spacing:-0.02em}
.login-left h2 .accent{color:var(--color-accent)}
.login-left p{font-size:16px;color:rgba(255,255,255,0.7);line-height:1.6;margin-bottom:32px}
.login-features{display:flex;flex-direction:column;gap:12px}
.login-feature{display:flex;align-items:center;gap:12px;font-size:14px;color:rgba(255,255,255,0.75)}
.login-feature-dot{width:8px;height:8px;border-radius:50%;background:var(--color-accent);flex-shrink:0}
.demo-accounts{margin-top:20px;padding:14px 16px;background:var(--color-bg);border-radius:var(--border-radius-sm);border:1px solid var(--border-color)}
.demo-accounts-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.07em;color:var(--color-text-muted);margin-bottom:10px}
.demo-btn{display:flex;align-items:center;justify-content:space-between;padding:7px 10px;border-radius:6px;background:var(--color-surface);border:1px solid var(--border-color);cursor:pointer;transition:all var(--transition);margin-bottom:4px;font-size:12px;width:100%}
.demo-btn:hover{border-color:var(--color-accent);background:rgba(249,115,22,0.04)}
.demo-btn-role{font-weight:700;font-size:12px;color:var(--color-text-primary)}
.demo-btn-email{color:var(--color-text-muted);font-size:11px}
.task-card{background:var(--color-surface);border-radius:var(--border-radius);border:1px solid var(--border-color);padding:16px 18px;display:flex;align-items:flex-start;gap:14px;transition:all var(--transition);margin-bottom:10px}
.task-card:hover{box-shadow:var(--shadow-sm)}
.task-card.completed{opacity:0.65;background:var(--color-bg)}
.task-checkbox{width:22px;height:22px;border-radius:6px;border:2px solid var(--border-color-dark);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px;transition:all var(--transition)}
.task-checkbox.checked{background:var(--color-success);border-color:var(--color-success);color:#fff}
.task-info{flex:1;min-width:0}
.task-title-text{font-size:15px;font-weight:700;color:var(--color-text-primary);margin-bottom:6px}
.task-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:4px}
.task-meta-item{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:#334155;background:#f1f5f9;padding:3px 9px;border-radius:6px;border:1px solid #e2e8f0}
.exam-bar-row{display:grid;grid-template-columns:110px 1fr 55px;align-items:center;gap:12px;margin-bottom:10px}
.exam-bar-label{font-size:13px;font-weight:500;color:var(--color-text-secondary)}
.exam-bar-value{font-size:13px;font-weight:700;color:var(--color-text-primary);text-align:right}
.sim-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.sim-result-card{background:var(--color-surface);border-radius:var(--border-radius-lg);border:1px solid var(--border-color);padding:28px;text-align:center;transition:all var(--transition)}
.sim-result-card:hover{box-shadow:var(--shadow);border-color:rgba(249,115,22,0.2)}
.sim-result-type{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--color-text-muted);margin-bottom:8px}
.sim-result-score{font-size:40px;font-weight:900;color:var(--color-accent);margin-bottom:4px}
.sim-result-rank{font-size:14px;color:var(--color-text-secondary);font-weight:500}
.stopwatch-display{font-size:72px;font-weight:900;color:var(--color-primary);font-variant-numeric:tabular-nums;letter-spacing:-0.02em;text-align:center;line-height:1}
.stopwatch-modes{display:flex;gap:8px;justify-content:center;margin-bottom:32px;flex-wrap:wrap}
.mode-btn{padding:8px 18px;border-radius:var(--border-radius-full);border:1.5px solid var(--border-color);background:transparent;font-size:13px;font-weight:600;color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition)}
.mode-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}
.mode-btn:hover:not(.active){border-color:var(--color-primary);color:var(--color-primary)}
.stopwatch-controls{display:flex;gap:12px;justify-content:center;margin-top:28px}
.chart-canvas-wrap{position:relative;overflow:hidden}
canvas{max-width:100%}
.chart-tooltip{position:absolute;background:#1e293b;color:#fff;padding:10px 14px;border-radius:10px;font-size:13px;pointer-events:none;z-index:100;box-shadow:0 4px 16px rgba(0,0,0,0.25);min-width:160px;display:none}
.chart-tooltip.visible{display:block}
.chart-tooltip-title{font-weight:700;font-size:13px;margin-bottom:6px;padding-bottom:6px;border-bottom:1px solid rgba(255,255,255,0.15)}
.chart-tooltip-row{display:flex;justify-content:space-between;gap:16px;font-size:12px;line-height:1.7}
.chart-tooltip-row span:first-child{color:rgba(255,255,255,0.65)}
.chart-tooltip-row span:last-child{font-weight:600}
.checkbox-label{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:14px;color:var(--color-text-primary)}
.checkbox-label input[type="checkbox"]{width:18px;height:18px;accent-color:var(--color-accent);cursor:pointer}
.profile-header{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light));border-radius:var(--border-radius-lg);padding:28px;color:#fff;margin-bottom:24px;display:flex;align-items:center;gap:20px}
.profile-avatar-lg{width:72px;height:72px;border-radius:50%;background:var(--color-accent);display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700;color:#fff;flex-shrink:0;border:3px solid rgba(255,255,255,0.3)}
.profile-name{font-size:22px;font-weight:800;margin-bottom:4px}
.profile-meta{font-size:14px;color:rgba(255,255,255,0.7)}
.alert{padding:12px 16px;border-radius:var(--border-radius-sm);font-size:14px;display:flex;align-items:flex-start;gap:10px;margin-bottom:16px}
.alert-info{background:var(--color-info-bg);color:var(--color-info);border-left:3px solid var(--color-info)}
.alert-warning{background:var(--color-warning-bg);color:var(--color-warning);border-left:3px solid var(--color-warning)}
.alert-success{background:var(--color-success-bg);color:var(--color-success);border-left:3px solid var(--color-success)}
.alert-danger{background:var(--color-danger-bg);color:var(--color-danger);border-left:3px solid var(--color-danger)}
.dropdown{position:relative;display:inline-block}
.dropdown-menu{position:absolute;top:calc(100% + 6px);right:0;background:var(--color-surface);border-radius:var(--border-radius);border:1px solid var(--border-color);box-shadow:var(--shadow-lg);min-width:180px;z-index:200;opacity:0;pointer-events:none;transform:translateY(-8px);transition:all var(--transition)}
.dropdown-menu.open{opacity:1;pointer-events:all;transform:translateY(0)}
.dropdown-item{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:14px;color:var(--color-text-primary);cursor:pointer;transition:background var(--transition)}
.dropdown-item:hover{background:var(--color-bg)}
.dropdown-divider{height:1px;background:var(--border-color);margin:4px 0}
.risk-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--border-radius-full);font-size:12px;font-weight:600}
.risk-high{background:var(--color-danger-bg);color:var(--color-danger)}
.risk-med{background:var(--color-warning-bg);color:var(--color-warning)}
.risk-low{background:var(--color-success-bg);color:var(--color-success)}
@media(max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.features-grid{grid-template-columns:repeat(2,1fr)}.how-steps{grid-template-columns:repeat(2,1fr)}.how-steps::before{display:none}.panels-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.sidebar{transform:translateX(-100%);width:var(--sidebar-width)!important}.sidebar.mobile-open{transform:translateX(0)}.app-content{margin-left:0!important}.sidebar-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:99;display:none}.sidebar-overlay.active{display:block}.page-container{padding:16px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.form-row,.form-row-3{grid-template-columns:1fr}.app-header{padding:0 16px}.header-title{font-size:16px}.landing-nav{padding:0 20px}.landing-nav-links{display:none}.hero h1{font-size:36px}.hero-sub{font-size:16px}.section-container{padding:0 20px}.section-heading{font-size:28px}.features-grid,.how-steps,.panels-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:24px;padding:0 20px}.footer-bottom{padding:20px 20px 0;flex-direction:column;gap:8px}.login-left{display:none}.login-right{width:100%;padding:40px 28px}.sim-grid{grid-template-columns:1fr}.stopwatch-display{font-size:56px}}
@media(max-width:480px){.modal{max-width:100%;margin:0;border-radius:var(--border-radius) var(--border-radius) 0 0}.modal-overlay{align-items:flex-end;padding:0}.hero h1{font-size:30px}.toast-container{right:16px;bottom:16px;width:calc(100% - 32px)}}
/* EXTRA UI STYLES - YKS KOCUM */
.countdown-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:460px;margin:0 auto}
.countdown-box{background:linear-gradient(135deg,#0f2a4a 0%,#1a3d6b 100%);color:#fff;border-radius:12px;padding:16px 8px;text-align:center;box-shadow:0 4px 16px rgba(15,42,74,0.15);border:1px solid rgba(255,255,255,0.1);transition:transform 0.2s ease}
.countdown-box:hover{transform:translateY(-2px)}
.countdown-num{font-size:28px;font-weight:900;color:#f97316;line-height:1.1;font-variant-numeric:tabular-nums}
.countdown-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:rgba(255,255,255,0.7);margin-top:4px}
.countdown-expired{font-size:18px;font-weight:800;color:#16a34a;padding:16px}
.chart-tooltip-box{position:absolute;background:#0f1c2e;color:#fff;padding:10px 14px;border-radius:10px;font-size:13px;pointer-events:none;z-index:100;box-shadow:0 8px 24px rgba(0,0,0,0.35);min-width:140px;display:none;border:1px solid rgba(255,255,255,0.15)}
.chart-point{cursor:pointer;transition:all 0.15s ease}
.chart-point:hover{r:7 !important;stroke-width:3.5 !important}
.toast-text{font-size:14px;font-weight:500;line-height:1.45;color:#fff}



/* ==========================================================================
   PERFECTED RESPONSIVE ENGINE & TOUCH EXPERIENCE (YKS KOCUM)
   ========================================================================== */

/* Universal Responsive Helpers & Touch Chart */
.exam-subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 8px;
  width: 100%;
  box-sizing: border-box;
}

.net-svg-chart {
  display: block;
  width: 100%;
  height: 100%;
  user-select: none;
  -webkit-user-select: none;
  touch-action: pan-y;
}

.net-svg-chart text {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  user-select: none;
  -webkit-user-select: none;
}

.chart-scrubber-line {
  transition: opacity 0.15s ease;
}

.chart-touchbox {
  cursor: crosshair;
  touch-action: pan-y;
}

.chart-tooltip-box {
  position: absolute;
  background: #091322;
  color: #ffffff;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 13px;
  pointer-events: none;
  z-index: 1000;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(56, 189, 248, 0.3);
  transition: opacity 0.15s ease, transform 0.15s ease;
  min-width: 180px;
  max-width: 280px;
}

/* Hide drawer elements on desktop */
.header-menu-hint,
.sidebar-close-btn,
.sidebar-category-header,
.nav-arrow {
  display: none;
}

@media (min-width: 769px) {
  .mobile-bottom-nav {
    display: none !important;
  }
}

/* ==========================================================================
   MOBILE RESPONSIVE ENGINE (max-width: 768px)
   ========================================================================== */
@media (max-width: 768px) {
  /* 1. White Gap Elimination & Global Mobile Shield */
  html, body {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100% !important;
    background: #090e1c !important; /* Prevents any white gaps on iOS overscroll/bottom */
    color: var(--color-text-primary);
    min-height: 100vh !important;
    min-height: 100dvh !important;
    position: relative;
    -webkit-text-size-adjust: 100%;
  }

  .app-layout {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100% !important;
    background: var(--color-bg) !important;
    min-height: 100vh !important;
    min-height: 100dvh !important;
    box-sizing: border-box !important;
  }

  .app-content {
    margin-left: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    padding-bottom: calc(74px + env(safe-area-inset-bottom, 12px)) !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }

  .page-container {
    padding: 12px 14px 24px 14px !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
  }

  /* 2. Top Header - Modern Dark Navy Bar */
  .app-header {
    padding: 10px 14px !important;
    min-height: 56px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 8px !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 100 !important;
    backdrop-filter: blur(12px) !important;
    background: #091c33 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3) !important;
  }

  .header-left {
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 4px 6px !important;
    border-radius: 8px !important;
    min-width: 0 !important;
    flex: 1 !important;
  }

  .header-toggle {
    display: flex !important;
    width: 38px !important;
    height: 38px !important;
    border-radius: 10px !important;
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    color: #ffffff !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
  }

  .header-title {
    font-size: 15px !important;
    font-weight: 700 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    color: #ffffff !important;
  }

  .header-menu-hint {
    display: inline-block !important;
    font-size: 13px !important;
    color: #38bdf8 !important;
    margin-left: 2px !important;
  }

  .header-actions {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    flex-shrink: 0 !important;
  }

  .header-hide-mobile,
  .header-target-days,
  .header-user-name {
    display: none !important;
  }

  /* 3. Mobile Sidebar Drawer (Zero White Bottom Space) */
  .sidebar {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    bottom: 0 !important;
    width: min(310px, 86vw) !important;
    height: 100% !important;
    height: 100vh !important;
    height: 100dvh !important;
    min-height: -webkit-fill-available !important;
    background: #091c33 !important;
    z-index: 10002 !important;
    transform: translateX(-100%) !important;
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1) !important;
    display: flex !important;
    flex-direction: column !important;
    box-shadow: none !important;
    border-right: 1px solid rgba(255, 255, 255, 0.1) !important;
    padding-bottom: env(safe-area-inset-bottom, 20px) !important;
    box-sizing: border-box !important;
  }

  .sidebar.active,
  .sidebar.mobile-open {
    transform: translateX(0) !important;
    box-shadow: 16px 0 48px rgba(0, 0, 0, 0.8) !important;
  }

  .sidebar-overlay {
    position: fixed !important;
    inset: 0 !important;
    background: rgba(4, 9, 20, 0.76) !important;
    backdrop-filter: blur(6px) !important;
    -webkit-backdrop-filter: blur(6px) !important;
    z-index: 10001 !important;
    display: none !important;
    height: 100% !important;
    height: 100vh !important;
    height: 100dvh !important;
  }
  .sidebar-overlay.active { display: block !important; }

  .sidebar-logo {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 16px 18px !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    background: #091c33 !important;
  }

  .sidebar-close-btn {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 32px !important;
    height: 32px !important;
    border-radius: 8px !important;
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.14) !important;
    color: #ffffff !important;
    font-size: 15px !important;
    cursor: pointer !important;
  }

  .sidebar-category-header {
    display: block !important;
    padding: 14px 18px 6px 18px !important;
    font-size: 11px !important;
    font-weight: 800 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.08em !important;
    color: #38bdf8 !important;
  }

  .sidebar-nav {
    flex: 1 !important;
    overflow-y: auto !important;
    padding: 6px 10px 16px 10px !important;
    background: #091c33 !important;
  }

  .sidebar-nav .nav-item {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    padding: 11px 14px !important;
    border-radius: 10px !important;
    color: #cbd5e1 !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    margin-bottom: 4px !important;
    cursor: pointer !important;
    transition: all 0.15s ease !important;
    border: 1px solid transparent !important;
  }

  .sidebar-nav .nav-item:active,
  .sidebar-nav .nav-item.active {
    background: rgba(56, 189, 248, 0.12) !important;
    color: #38bdf8 !important;
    border-color: rgba(56, 189, 248, 0.25) !important;
    font-weight: 700 !important;
  }

  .nav-arrow {
    display: inline-block !important;
    margin-left: auto !important;
    font-size: 16px !important;
    opacity: 0.45 !important;
  }

  .sidebar-bottom {
    padding: 14px 12px max(20px, env(safe-area-inset-bottom, 20px)) 12px !important;
    border-top: 1px solid rgba(255, 255, 255, 0.08) !important;
    background: #091c33 !important;
  }

  /* 4. Mobile Bottom Navigation Bar (Zero White Space) */
  .mobile-bottom-nav {
    display: flex !important;
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    background: #091c33 !important;
    backdrop-filter: blur(16px) !important;
    -webkit-backdrop-filter: blur(16px) !important;
    border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
    z-index: 9999 !important;
    justify-content: space-around !important;
    align-items: center !important;
    padding: 6px 8px max(10px, env(safe-area-inset-bottom, 10px)) 8px !important;
    min-height: calc(58px + env(safe-area-inset-bottom, 0px)) !important;
    height: auto !important;
    box-sizing: border-box !important;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.45) !important;
  }

  .mobile-nav-item {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    text-decoration: none !important;
    color: #94a3b8 !important;
    font-size: 10px !important;
    font-weight: 600 !important;
    gap: 3px !important;
    flex: 1 !important;
    padding: 4px 2px !important;
    border-radius: 8px !important;
    transition: color 0.15s ease, background 0.15s ease !important;
  }

  .mobile-nav-item svg {
    width: 20px !important;
    height: 20px !important;
    stroke: currentColor !important;
  }

  .mobile-nav-item.active {
    color: #38bdf8 !important;
  }

  /* 5. Clean Cards & Grids (Fixes Right-Edge Overflow on Images 4 & 5) */
  .grid-2, .grid-3, .grid-4, .sim-grid, .grid-layout {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  #student-detail-wrap {
    min-width: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Ensure card itself has NO double padding */
  .card {
    padding: 0 !important;
    border-radius: 14px !important;
    margin-bottom: 12px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .card-header {
    padding: 14px 16px !important;
    border-bottom: 1px solid var(--border-color) !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    box-sizing: border-box !important;
    width: 100% !important;
  }

  .card-title {
    font-size: 15px !important;
    min-width: 0 !important;
    word-break: break-word !important;
  }

  /* Mobile Tabs (admin-users, student-program, etc.) */
  .tabs {
    overflow-x: auto !important;
    overflow-y: hidden !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    flex-wrap: nowrap !important;
    gap: 2px !important;
    max-width: 100% !important;
    padding-bottom: 1px !important;
  }

  .tabs::-webkit-scrollbar {
    display: none !important;
  }

  .tab-btn {
    flex-shrink: 0 !important;
    white-space: nowrap !important;
    padding: 9px 12px !important;
    font-size: 13px !important;
    margin-bottom: 0 !important;
  }

  /* Mobile Profile Header */
  .profile-header {
    padding: 18px 16px !important;
    gap: 14px !important;
    flex-wrap: wrap !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .profile-header > div:not(.profile-avatar-lg) {
    min-width: 0 !important;
    flex: 1 1 180px !important;
  }

  .profile-avatar-lg {
    width: 56px !important;
    height: 56px !important;
    font-size: 22px !important;
  }

  .profile-name {
    font-size: 18px !important;
    line-height: 1.25 !important;
    word-break: break-word !important;
    overflow-wrap: anywhere !important;
  }

  .profile-meta {
    font-size: 12.5px !important;
    line-height: 1.45 !important;
    word-break: break-word !important;
    overflow-wrap: anywhere !important;
  }

  .card-body {
    padding: 14px 16px !important;
    box-sizing: border-box !important;
    width: 100% !important;
    max-width: 100% !important;
  }

  .countdown-card-body {
    padding: 14px 10px !important;
    box-sizing: border-box !important;
    width: 100% !important;
  }

  /* 6. YKS Countdown Grid (2x2 Matrix - Zero Overflow) */
  .countdown-grid {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 auto !important;
    padding: 0 !important;
    box-sizing: border-box !important;
  }

  .countdown-box {
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 6px !important;
    border-radius: 10px !important;
  }

  .countdown-num {
    font-size: 22px !important;
    line-height: 1.1 !important;
    letter-spacing: -0.5px !important;
  }

  .countdown-label {
    font-size: 10px !important;
    letter-spacing: 0.04em !important;
    margin-top: 2px !important;
  }

  /* 7. Exam Subjects Grid (3 Columns - Zero Overflow) */
  .exam-subjects-grid {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 6px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 8. Tables & Lists */
  .table-responsive, 
  .table-wrapper, 
  .data-table-container {
    width: 100% !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    display: block !important;
    margin-bottom: 12px !important;
    border-radius: 8px !important;
    box-sizing: border-box !important;
  }

  table {
    min-width: 520px !important;
    width: 100% !important;
  }

  th, td {
    padding: 10px 10px !important;
    font-size: 12px !important;
  }

  /* 9. Interactive Touch Charts */
  .chart-container, 
  .chart-card-body,
  .exam-chart-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    position: relative !important;
    box-sizing: border-box !important;
    touch-action: pan-y !important;
  }

  .chart-point {
    stroke-width: 3 !important;
  }

  #chart-dynamic-tooltip {
    position: fixed !important;
    max-width: calc(100vw - 32px) !important;
    min-width: 200px !important;
    font-size: 12px !important;
    z-index: 999999 !important;
  }

  /* 10. Forms & Controls */
  .form-control,
  select.form-control {
    font-size: 16px !important; /* Prevents auto-zoom on iOS Safari */
    padding: 12px 14px !important;
    min-height: 48px !important;
    box-sizing: border-box !important;
  }

  .form-row, .form-row-3 {
    grid-template-columns: 1fr !important;
  }

  .btn { min-height: 44px !important; }
  .btn-lg { padding: 10px 16px !important; font-size: 14px !important; max-width: 100% !important; white-space: normal !important; height: auto !important; }
  .btn-sm { min-height: 36px !important; padding: 6px 12px !important; font-size: 13px !important; }

  /* 11. Login Page on Mobile (Zero White Bottom Space) */
  .login-page {
    flex-direction: column !important;
    min-height: 100vh !important;
    min-height: 100dvh !important;
    background: #091c33 !important;
    padding-bottom: env(safe-area-inset-bottom, 20px) !important;
    box-sizing: border-box !important;
  }

  .login-left {
    display: none !important;
  }

  .login-right {
    width: 100% !important;
    flex: 1 !important;
    padding: 20px 16px max(32px, env(safe-area-inset-bottom, 32px)) !important;
    background: transparent !important;
    display: flex !important;
    align-items: flex-start !important;
    justify-content: center !important;
    min-height: 100vh !important;
    min-height: 100dvh !important;
    box-sizing: border-box !important;
  }

  .login-card {
    width: 100% !important;
    max-width: 100% !important;
    background: #ffffff !important;
    border-radius: 20px !important;
    padding: 24px 20px !important;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35) !important;
    margin-top: 16px !important;
    box-sizing: border-box !important;
  }

  /* 12. Landing Page Mobile Polish */
  .landing-nav {
    padding: 0 16px !important;
    height: 60px !important;
    background: #091c33 !important;
    border-bottom: none !important;
  }
  .landing-logo {
    font-size: 17px !important;
    gap: 8px !important;
  }
  .landing-logo .brand-logo-img {
    width: 32px !important;
    height: 32px !important;
  }

  .landing-main {
    padding-top: 60px !important;
  }

  .hero {
    padding: 36px 16px 48px !important;
  }

  .how-card {
    padding: 24px 20px !important;
    box-sizing: border-box !important;
  }

  .landing-footer {
    background: #091c33 !important;
    padding: 28px 0 max(20px, env(safe-area-inset-bottom, 20px)) !important;
  }

  /* 13. Modals on Mobile */
  .modal-overlay {
    z-index: 10005 !important;
  }

  .toast-container {
    z-index: 10010 !important;
  }

  .modal {
    width: calc(100% - 24px) !important;
    max-width: calc(100% - 24px) !important;
    margin: 12px auto !important;
    padding: 0 !important;
    border-radius: 16px !important;
    display: flex !important;
    flex-direction: column !important;
    max-height: calc(100vh - 24px) !important;
    max-height: calc(100dvh - 24px) !important;
    overflow: hidden !important;
    box-sizing: border-box !important;
  }

  .modal-header {
    padding: 16px 18px 12px !important;
    flex-shrink: 0 !important;
  }
  .modal-body {
    padding: 14px 18px !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    flex: 1 1 auto !important;
    min-height: 0 !important;
  }
  .modal-footer {
    padding: 12px 18px max(14px, env(safe-area-inset-bottom, 14px)) 18px !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    flex-shrink: 0 !important;
    background: var(--color-surface) !important;
  }
  .modal-footer .btn { flex: 1 1 120px !important; min-width: 100px !important; }
}

/* Brand Logo Global Helpers */
.brand-logo-img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  background: #ffffff;
  border-radius: 10px;
  padding: 3px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
  display: inline-block;
  vertical-align: middle;
}
.login-logo-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  background: #ffffff;
  border-radius: 18px;
  padding: 6px;
  margin: 0 auto 14px;
  display: block;
  box-shadow: 0 10px 25px rgba(9, 28, 51, 0.12);
  border: 1px solid #e2e8f0;
}

/* FAQ Accordion Styles */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
}
.faq-card[open] {
  border-color: #38bdf8;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}
.faq-summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-weight: 700;
  font-size: 15.5px;
  color: #0f172a;
}
.faq-summary::-webkit-details-marker {
  display: none;
}
.faq-summary .faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
  color: #64748b;
  font-size: 13px;
  font-weight: 800;
}
.faq-card[open] .faq-summary .faq-icon {
  transform: rotate(180deg);
  background: #091c33;
  color: #38bdf8;
}
.faq-content {
  padding: 0 22px 20px;
  color: #475569;
  font-size: 14px;
  line-height: 1.65;
  border-top: 1px solid #f8fafc;
}

/* ==========================================================================
   SMALLEST SCREENS (max-width: 480px)
   ========================================================================== */
@media (max-width: 480px) {
  .modal {
    max-width: 100% !important;
    width: 100% !important;
    margin: 0 !important;
    border-radius: 16px 16px 0 0 !important;
    max-height: calc(100vh - 16px) !important;
    max-height: calc(100dvh - 16px) !important;
  }
  .modal-overlay {
    align-items: flex-end !important;
    padding: 0 !important;
    z-index: 10005 !important;
  }
  .modal-footer {
    padding: 12px 16px max(16px, env(safe-area-inset-bottom, 16px)) 16px !important;
  }
  .toast-container {
    right: 8px !important;
    bottom: calc(72px + env(safe-area-inset-bottom, 0px)) !important;
    width: calc(100% - 16px) !important;
  }
  .stat-value { font-size: 20px !important; }
  .page-container { padding: 10px 12px 20px !important; }
}