:root{--bg-primary: #070d19;--bg-secondary: #0f192d;--bg-tertiary: #16243d;--bg-card: #0d172a;--accent-primary: #0284c7;--accent-hover: #0369a1;--accent-sky: #38bdf8;--accent-gradient: linear-gradient(135deg, #0284c7, #38bdf8);--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--glass-bg: #0f192d;--glass-border: rgba(255, 255, 255, .08);--glass-shadow: 0 4px 20px rgba(0, 0, 0, .3);--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-display: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{max-width:100%;overflow-x:hidden}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:600;line-height:1.3;color:var(--text-primary)}.app-container{display:flex;flex-direction:column;min-height:100vh}.glass-card{background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:12px;padding:22px;box-shadow:0 4px 16px #0003}.btn-primary{background:var(--accent-primary);color:#fff;border:1px solid rgba(56,189,248,.35);border-radius:6px;padding:8px 18px;font-size:.88rem;font-weight:500;font-family:var(--font-sans);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:all .15s ease;box-shadow:0 2px 8px #0284c740}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-sky)}.btn-primary:active{transform:scale(.99)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.animate-fade-in{animation:fadeIn .2s ease forwards}.navbar{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:#0f172acc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--glass-border);position:sticky;top:0;z-index:100}.navbar-brand{font-family:var(--font-display);font-size:1.5rem;font-weight:700;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.main-content{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}@media (max-width: 768px){.navbar,.main-content{padding:1rem}.dashboard-grid{flex-direction:column!important}}.status-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:9999px;font-size:.8rem;font-weight:600;letter-spacing:.02em;text-transform:uppercase}.status-badge:before{content:"";width:7px;height:7px;border-radius:50%;display:inline-block}.status-badge.available{background:#10b98126;color:#34d399;border:1px solid rgba(16,185,129,.35)}.status-badge.available:before{background:#10b981;box-shadow:0 0 8px #10b981}.status-badge.busy{background:#f59e0b26;color:#fbbf24;border:1px solid rgba(245,158,11,.35)}.status-badge.busy:before{background:#f59e0b;box-shadow:0 0 8px #f59e0b}.status-badge.unavailable{background:#94a3b826;color:#94a3b8;border:1px solid rgba(148,163,184,.3)}.status-badge.unavailable:before{background:#64748b}.status-badge.on-break,.status-badge.break{background:#eab30826;color:#fde047;border:1px solid rgba(234,179,8,.35)}.status-badge.on-break:before,.status-badge.break:before{background:#eab308;box-shadow:0 0 8px #eab308}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;width:100vw;width:100%;height:100vh;height:100%;background:#0a0f1dd9;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:99999;padding:1rem;box-sizing:border-box;overflow-y:auto;overflow-x:hidden}.modal-content{background:#1e293b;border:1px solid rgba(255,255,255,.15);box-shadow:0 25px 60px #0009;border-radius:16px;width:100%;max-width:580px;max-height:88vh;margin:auto;overflow-y:auto;overflow-x:hidden;padding:26px;box-sizing:border-box;transform:none;animation:modalPop .25s cubic-bezier(.16,1,.3,1)}@keyframes modalPop{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.modal-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.prof-assign-picker-grid{display:grid;grid-template-columns:140px 1fr;gap:10px;margin-top:6px}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.form-label{font-size:.85rem;font-weight:500;color:var(--text-secondary)}.form-input,.form-textarea{width:100%;padding:8px 12px;border-radius:6px;background:#091224;border:1px solid rgba(255,255,255,.1);color:var(--text-primary);font-family:var(--font-sans);font-size:.9rem;outline:none;transition:border-color .15s ease,box-shadow .15s ease}.form-input:focus,.form-textarea:focus{border-color:var(--accent-sky);box-shadow:0 0 0 2px #0284c740}.btn-secondary{background:#ffffff0a;color:var(--text-secondary);border:1px solid rgba(255,255,255,.1);border-radius:6px;padding:7px 14px;font-size:.85rem;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:all .15s ease}.btn-secondary:hover{background:#ffffff14;color:#fff;border-color:#fff3}.tab-filter-btn{padding:6px 12px;border-radius:6px;font-size:.82rem;font-weight:500;cursor:pointer;background:transparent;border:1px solid transparent;color:var(--text-muted);transition:all .15s ease}.tab-filter-btn.active{background:#0284c724;border-color:#38bdf866;color:var(--accent-sky);font-weight:600}.code-display{display:inline-block;padding:8px 18px;font-family:monospace;font-size:1.4rem;font-weight:700;letter-spacing:3px;background:#0284c71a;border:1.5px dashed var(--accent-sky);border-radius:8px;color:#7dd3fc}.media-preview-box{width:100%;max-height:260px;background:#0f172a;border:1px solid var(--glass-border);border-radius:8px;overflow:hidden;display:flex;align-items:center;justify-content:center;margin-top:10px}.media-preview-box img,.media-preview-box video{max-width:100%;max-height:260px;object-fit:contain}.course-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 7px;border-radius:4px;font-size:.72rem;font-weight:600;letter-spacing:.3px;border:1px solid rgba(255,255,255,.12);background:#ffffff08;color:#e2e8f0}.course-badge.it{background:#38bdf814;color:#38bdf8;border:1px solid rgba(56,189,248,.28)}.course-badge.crim{background:#f8717114;color:#f87171;border:1px solid rgba(248,113,113,.28)}.course-badge.educ{background:#fbbf2414;color:#fbbf24;border:1px solid rgba(251,191,36,.28)}.course-badge.cs{background:#93c5fd14;color:#93c5fd;border:1px solid rgba(147,197,253,.28)}.course-badge.ba{background:#34d39914;color:#34d399;border:1px solid rgba(52,211,153,.28)}.progress-bar-container{width:100%;height:12px;background:#0006;border-radius:999px;overflow:hidden;border:1px solid rgba(255,255,255,.1);margin:10px 0}.progress-bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,#6366f1,#10b981);transition:width .5s cubic-bezier(.16,1,.3,1)}.dtr-sheet{background:#fff;color:#1e293b;border-radius:12px;padding:28px;box-shadow:0 10px 30px #00000080;max-width:700px;margin:0 auto;font-family:var(--font-sans)}.dtr-sheet h2,.dtr-sheet h3{color:#0f172a}.dtr-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.85rem}.dtr-table th,.dtr-table td{border:1px solid #cbd5e1;padding:8px 10px;text-align:left}.dtr-table th{background:#f1f5f9;color:#334155;font-weight:600}.flagged-box{background:#ef44441f;border:1px solid rgba(239,68,68,.4);border-radius:8px;padding:12px 16px;margin-top:10px;color:#fca5a5}@keyframes pulseRadar{0%{transform:scale(.95);opacity:.8}50%{transform:scale(1.05);opacity:1}to{transform:scale(.95);opacity:.8}}.radar-pulse{animation:pulseRadar 2s infinite ease-in-out}@media (max-width: 768px){.navbar{padding:.75rem 1rem;flex-wrap:wrap;gap:10px}.navbar-brand{font-size:1.25rem}.main-content{padding:1rem .75rem}.glass-card{padding:16px;border-radius:12px}.modal-overlay{padding:.75rem .5rem!important;display:flex!important;align-items:center!important;justify-content:center!important}.modal-content{max-width:min(580px,calc(100vw - 1rem))!important;width:100%!important;border-radius:14px!important;max-height:90vh!important;padding:18px 14px!important;margin:auto!important;transform:none!important;box-sizing:border-box!important}.modal-grid-2{grid-template-columns:1fr!important;gap:10px!important}.modal-grid-2>*{grid-column:1 / -1!important}.prof-assign-picker-grid{grid-template-columns:1fr!important}.dtr-sheet{padding:14px 10px!important;width:100%!important;box-sizing:border-box!important}.btn-primary,.btn-secondary{min-height:44px;padding:10px 16px}.form-input,.form-textarea{min-height:44px;font-size:16px}.dashboard-grid{flex-direction:column!important;gap:16px!important}table{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}}@keyframes codeGlowPulse{0%{box-shadow:0 0 #10b98166}70%{box-shadow:0 0 0 10px #10b98100}to{box-shadow:0 0 #10b98100}}.code-glow{animation:codeGlowPulse 2.2s infinite ease-in-out}.auth-slider-wrapper{display:flex;justify-content:center;align-items:center;min-height:calc(85vh - 70px);padding:20px 0;width:100%}.auth-slider-container{position:relative;width:100%;max-width:860px;min-height:560px;background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:20px;box-shadow:0 25px 55px #0000008c,0 0 35px #0284c71f;overflow:hidden;display:flex}.auth-panel{position:absolute;top:0;height:100%;width:50%;padding:40px 34px;display:flex;flex-direction:column;justify-content:center;box-sizing:border-box;transition:transform .65s cubic-bezier(.77,0,.175,1),opacity .45s ease;overflow-y:auto}.auth-panel::-webkit-scrollbar{width:6px}.auth-panel::-webkit-scrollbar-track{background:transparent}.auth-panel::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:4px}.auth-panel::-webkit-scrollbar-thumb:hover{background:#38bdf866}.auth-panel-login{right:0;z-index:2;opacity:1;pointer-events:auto;transform:translate(0)}.auth-slider-container.register-mode .auth-panel-login{opacity:0;pointer-events:none;transform:translate(35px);z-index:1}.auth-panel-register{left:0;z-index:1;opacity:0;pointer-events:none;transform:translate(-35px)}.auth-slider-container.register-mode .auth-panel-register{opacity:1;pointer-events:auto;transform:translate(0);z-index:2}.auth-slider-overlay{position:absolute;top:0;left:0;width:50%;height:100%;z-index:10;overflow:hidden;border-radius:20px;transition:transform .65s cubic-bezier(.77,0,.175,1);box-shadow:0 10px 40px #00000073}.auth-slider-container:not(.register-mode) .auth-slider-overlay{transform:translate(0)}.auth-slider-container.register-mode .auth-slider-overlay{transform:translate(100%)}.auth-overlay-backdrop{position:relative;width:100%;height:100%;background:linear-gradient(135deg,#0284c7f2,#0ea5e9e0 35%,#0f172af7);display:flex;align-items:center;justify-content:center;overflow:hidden;color:#fff}.auth-overlay-backdrop:before{content:"";position:absolute;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,#38bdf859,#0284c700 70%);top:-80px;left:-80px;pointer-events:none}.auth-overlay-backdrop:after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,#6366f14d,#0f172a00 70%);bottom:-90px;right:-90px;pointer-events:none}.auth-showcase-view{position:absolute;top:0;right:0;bottom:0;left:0;padding:44px 34px;display:flex;flex-direction:column;justify-content:space-between;box-sizing:border-box;transition:opacity .45s ease,transform .45s ease;z-index:2}.auth-showcase-login{opacity:1;pointer-events:auto;transform:translate(0)}.auth-slider-container.register-mode .auth-showcase-login{opacity:0;pointer-events:none;transform:translate(-35px)}.auth-showcase-register{opacity:0;pointer-events:none;transform:translate(35px)}.auth-slider-container.register-mode .auth-showcase-register{opacity:1;pointer-events:auto;transform:translate(0)}.auth-feature-chip{display:inline-flex;align-items:center;gap:8px;background:#ffffff1f;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:7px 12px;font-size:.8rem;font-weight:500;color:#fff;transition:transform .2s ease,background .2s ease}.auth-feature-chip:hover{transform:translate(3px);background:#ffffff2e}.btn-showcase-switch{background:#ffffff26;border:1.5px solid rgba(255,255,255,.6);color:#fff;font-weight:600;font-size:.88rem;padding:10px 22px;border-radius:999px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:all .2s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.btn-showcase-switch:hover{background:#fff;color:#0284c7;border-color:#fff;box-shadow:0 4px 18px #00000047;transform:translateY(-1px)}.password-input-wrapper{position:relative;width:100%}.password-input-wrapper input{padding-right:40px!important}.password-toggle-btn{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:transparent;border:none;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:4px;transition:color .15s ease}.password-toggle-btn:hover{color:var(--text-primary)}@media (max-width: 820px){.auth-slider-container{flex-direction:column;min-height:auto;overflow:visible;border-radius:16px}.auth-slider-overlay{position:relative;width:100%;height:auto;transform:none!important;border-radius:16px 16px 0 0}.auth-showcase-view{position:relative;inset:auto;padding:28px 20px;transform:none!important}.auth-showcase-login{display:flex}.auth-slider-container.register-mode .auth-showcase-login,.auth-showcase-register{display:none}.auth-slider-container.register-mode .auth-showcase-register{display:flex}.auth-panel{position:relative;width:100%;height:auto;left:0!important;right:0!important;padding:24px 18px;transform:none!important;opacity:1!important;pointer-events:auto!important}.auth-slider-container:not(.register-mode) .auth-panel-register{display:none}.auth-slider-container.register-mode .auth-panel-login{display:none}}