.teacher-layout{background-color:var(--bg-color,#f1f5f9);flex-direction:column;width:100%;min-height:100vh;display:flex}.teacher-topbar{color:#fff;z-index:100;background-color:#1e3a8a;justify-content:space-between;align-items:center;width:100%;padding:15px 40px;display:flex;position:sticky;top:0;box-shadow:0 4px 10px #0000001a}.teacher-topbar h1{letter-spacing:-.5px;color:#38bdf8;margin:0;font-size:1.5rem;font-weight:900}.teacher-nav-container{background-color:#fff;border-bottom:1px solid #cbd5e1;width:100%;padding:0 40px}.teacher-nav-content{gap:20px;max-width:1200px;margin:0 auto;display:flex}.t-nav-btn{color:#64748b;cursor:pointer;background:0 0;border:none;border-bottom:3px solid #0000;padding:15px 10px;font-size:1rem;font-weight:600;transition:all .2s}.t-nav-btn:hover{color:#1e3a8a}.t-nav-btn.active{color:#1e3a8a;border-bottom-color:#38bdf8}.teacher-main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:40px}@media (width<=768px){.teacher-topbar{padding:15px 20px}.teacher-nav-container{padding:0 20px}.teacher-main{padding:20px}.teacher-nav-content{white-space:nowrap;overflow-x:auto}}:root{--primary:#1e3a8a;--secondary:#2563eb;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--bg-color:#f1f5f9;--text-main:#1e293b;--text-muted:#64748b}*{box-sizing:border-box;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);margin:0}body:has(.modal-overlay){overflow:hidden}.app-login-page{background:linear-gradient(135deg, #0f172a 0%, var(--primary) 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{background:#fff;border-radius:20px;width:100%;max-width:400px;padding:40px;position:relative;box-shadow:0 20px 40px #0003}.login-title{color:var(--primary);text-align:center;margin:0 0 5px;font-size:2.5rem}.login-subtitle{text-align:center;color:var(--text-muted);margin-bottom:30px}.role-grid{grid-template-columns:1fr 1fr;gap:15px;margin:20px 0;display:grid}.role-box{cursor:pointer;background:#f8fafc;border:2px solid #e2e8f0;border-radius:15px;padding:20px;transition:all .2s}.role-box:hover{border-color:var(--secondary);background:#eff6ff}.role-modal{background:#fff;border-radius:20px;width:100%;max-width:500px;padding:30px}.input-base{width:100%;color:var(--text-main);background-color:#f8fafc;border:1.5px solid #cbd5e1;border-radius:10px;outline:none;margin-bottom:15px;padding:12px 15px;font-size:1rem;transition:all .2s}.input-base:focus{border-color:var(--secondary);background-color:#fff;box-shadow:0 0 0 3px #3b82f626}.password-container{width:100%;margin-bottom:15px;position:relative}.password-container .input-base{margin-bottom:0;padding-right:45px}.toggle-password-btn{cursor:pointer;color:var(--text-muted);background:0 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(width<=768px){.admin-layout{flex-direction:column}.admin-sidebar{display:none}.content-area{padding:15px 15px 100px}.grid-3,.grid-2,.grid-finance{grid-template-columns:1fr;gap:15px}.card{padding:20px}.btn-primary,.btn-small,.btn-ghost,.btn-danger{width:100%;margin-top:5px}.modal-box{padding:20px}.flex-mobile-col{gap:10px;flex-direction:column!important;align-items:stretch!important}.mobile-top-bar{z-index:100;background-color:#0f172a;justify-content:space-between;align-items:center;padding:15px 20px;display:flex;position:sticky;top:0;box-shadow:0 2px 10px #0000001a}.mobile-bottom-nav{z-index:100;background-color:#fff;border-top:1px solid #e2e8f0;justify-content:space-around;padding:10px 0;display:flex;position:fixed;bottom:0;left:0;right:0;overflow-x:auto;box-shadow:0 -2px 10px #0000001a}.mobile-nav-btn{color:#64748b;background:0 0;border:none;flex-direction:column;align-items:center;min-width:70px;font-size:.7rem;font-weight:700;display:flex}.mobile-nav-btn.active{color:#2563eb}}.tp-layout{background-color:#f8fafc;min-height:100vh;font-family:Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}.tp-sidebar{z-index:100;color:#fff;background-color:#0f172a;flex-direction:column;width:260px;display:flex;position:fixed;top:0;bottom:0;left:0}.tp-logo{color:#38bdf8;letter-spacing:-.5px;padding:30px 20px;font-size:1.8rem;font-weight:900}.tp-nav{flex-direction:column;flex:1;gap:5px;padding:10px;display:flex}.tp-nav-btn{text-align:left;color:#94a3b8;cursor:pointer;background:0 0;border:none;border-radius:10px;align-items:center;gap:15px;padding:15px 20px;font-size:1.05rem;font-weight:600;transition:all .2s;display:flex}.tp-nav-btn:hover{color:#fff;background-color:#ffffff0d}.tp-nav-btn.active{color:#38bdf8;background-color:#1e293b}.sidebar-footer{text-align:center;border-top:1px solid #1e293b;padding:20px}.sidebar-footer p{color:#94a3b8;margin-bottom:10px;font-size:.85rem;font-weight:700}.tp-logout-btn{color:#fff;cursor:pointer;background-color:#ef4444;border:none;border-radius:10px;width:100%;padding:12px;font-weight:700}.tp-logout-btn:hover{background-color:#dc2626}.tp-main{flex:1;width:calc(100% - 260px);margin-left:260px;padding:40px}.tp-dashboard-grid{grid-template-columns:2fr 1fr;align-items:start;gap:30px;display:grid}.tp-class-card{background-color:#fff;border:1px solid #e2e8f0;border-radius:15px;margin-bottom:15px;padding:20px;box-shadow:0 2px 10px #00000005}.tp-class-card-header{justify-content:space-between;align-items:center;display:flex}.tp-class-title{color:#1e293b;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;display:flex}.tp-badge-vip{color:#0369a1;text-transform:uppercase;background-color:#e0f2fe;border-radius:6px;padding:3px 8px;font-size:.75rem;font-weight:700}.tp-class-subtitle{color:#64748b;margin-top:5px;font-size:.85rem}.tp-card-actions{gap:10px;display:flex}.btn-green-solid{color:#fff;cursor:pointer;background-color:#10b981;border:none;border-radius:8px;padding:10px 20px;font-weight:700}.btn-blue-light{color:#0369a1;cursor:pointer;background-color:#e0f2fe;border:none;border-radius:8px;padding:10px 20px;font-weight:700}.tp-alerts-box{background-color:#fff7ed;border:1px solid #fed7aa;border-radius:15px;padding:25px}.tp-alert-title{color:#b91c1c;align-items:center;gap:10px;margin:0 0 20px;font-size:1.1rem;display:flex}.tp-alert-item{color:#7f1d1d;background-color:#fff;border:1px solid #fecaca;border-left:4px solid #ea580c;border-radius:8px;margin-bottom:10px;padding:15px;font-size:.85rem;box-shadow:0 2px 4px #dc26260d}.library-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;display:grid}.tp-mobile-top,.tp-mobile-bottom-nav{display:none}@media (width<=992px){.tp-dashboard-grid{grid-template-columns:1fr}}@media (width<=768px){.tp-layout{flex-direction:column!important;padding-bottom:80px!important;display:block!important}.tp-sidebar{width:0!important;display:none!important}.tp-main{width:100%!important;margin-left:0!important;padding:15px!important;display:block!important}.tp-mobile-top{color:#fff;z-index:1000;background-color:#0f172a;justify-content:space-between;align-items:center;padding:15px 20px;position:sticky;top:0;display:flex!important}.btn-logout-mobile{color:#fff;background-color:#ef4444;border:none;border-radius:6px;padding:6px 12px;font-weight:700}.tp-mobile-bottom-nav{border-top:1px solid #e2e8f0;box-shadow:0 -4px 15px #0000001a;z-index:2000!important;background-color:#fff!important;width:100%!important;padding:10px 0!important;display:flex!important;position:fixed!important;bottom:0!important;left:0!important}.tp-mob-btn{color:#94a3b8;background:0 0;border:none;outline:none;flex-direction:column;flex:1;align-items:center;gap:3px;font-size:.75rem;display:flex}.tp-mob-btn.active{color:#38bdf8!important}.tp-class-card-header{gap:15px;flex-direction:column!important;align-items:flex-start!important}.tp-card-actions{gap:10px;width:100%!important;display:flex!important}.tp-card-actions button{flex:1!important}}