@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap";:root{--primary: #4f46e5;--primary-hover: #4338ca;--secondary: #e5e7eb;--secondary-hover: #d1d5db;--text-main: #111827;--text-muted: #6b7280;--bg-main: #f9fafb;--bg-card: #ffffff;--danger: #ef4444;--success: #10b981;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--radius: .5rem;--today-color: #10b981;--today-bg: #ecfdf5;--today-border: #6ee7b7;--tomorrow-color: #f59e0b;--tomorrow-bg: #fffbeb;--tomorrow-border: #fcd34d;--upcoming-color: #3b82f6;--upcoming-bg: #eff6ff;--upcoming-border: #93c5fd;--history-color: #6b7280;--history-bg: #f3f4f6;--history-border: #d1d5db}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Plus Jakarta Sans,Segoe UI,sans-serif;background:radial-gradient(circle at 0% 0%,rgba(59,130,246,.08),transparent 28%),radial-gradient(circle at 100% 0%,rgba(16,185,129,.08),transparent 24%),var(--bg-main);color:var(--text-main);line-height:1.5;margin:0;padding:0}button{cursor:pointer;border:none;font-family:inherit;font-size:.95rem;transition:all .2s}.app-container{height:100vh;display:flex;flex-direction:column;overflow:hidden}.app-header{position:relative;overflow:hidden;background:linear-gradient(125deg,#0f172a,#1e293b 52%,#111827);border-bottom:1px solid rgba(148,163,184,.25);box-shadow:0 14px 26px #02061747;padding:1.1rem 2rem 1rem;z-index:10;flex-shrink:0}.app-header:before,.app-header:after{content:"";position:absolute;border-radius:999px;pointer-events:none}.app-header:before{width:300px;height:300px;right:-95px;top:-180px;background:radial-gradient(circle,rgba(59,130,246,.45),transparent 68%)}.app-header:after{width:250px;height:250px;left:-100px;top:-140px;background:radial-gradient(circle,rgba(16,185,129,.32),transparent 70%)}.header-content{max-width:1200px;margin:0 auto;display:flex;justify-content:center;align-items:center;position:relative;z-index:1}.header-content h1{font-size:1.68rem;font-weight:800;letter-spacing:.02em;color:#f8fafc;text-shadow:0 8px 16px rgba(15,23,42,.45);text-align:center}.change-selection-btn-mobile{display:none;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;padding:.35rem .75rem;border-radius:var(--radius);font-size:.8rem;font-weight:600;margin-left:1rem}@media(max-width:640px){.change-selection-btn-mobile{display:inline-block}}.header-content nav{position:absolute;right:0;display:flex;align-items:center}.app-scroll-wrapper{flex:1;overflow-y:auto;width:100%;display:flex;flex-direction:column}.app-main{flex:1 0 auto;padding:0 2rem 2rem;max-width:1200px;margin:0 auto;width:100%}.app-footer{position:relative;background:linear-gradient(170deg,#0b1220,#111827 58%,#172554);padding:.75rem 2rem;margin-top:0;border-top:1px solid rgba(148,163,184,.22);box-shadow:0 -12px 24px #02061740;color:#bfdbfe;overflow:visible;z-index:5;margin-bottom:0;flex-shrink:0}.footer-content{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;position:relative;z-index:1;font-size:.85rem;gap:1rem}.footer-left{display:flex;align-items:center;gap:.5rem;color:#cbd5e1;justify-self:start}.footer-center{justify-self:center;color:#f8fafc;font-weight:600;letter-spacing:.02em}.footer-right{display:flex;gap:1rem;align-items:center;justify-self:end}@media(max-width:768px){.footer-content{display:flex;flex-direction:column;gap:.75rem;text-align:center}.footer-left,.footer-center,.footer-right{justify-self:center}}.divider{color:#4b5563;margin:0 .25rem}.separator{color:#4b5563;margin:0 .5rem;font-size:.8rem}.footer-links{display:flex;gap:1rem;align-items:center}.link-button{background:none;color:#dbeafe;text-decoration:none;padding:0;font-size:.9rem;border-bottom:1px solid rgba(191,219,254,.75);font-weight:500}.link-button.discreet{color:#bfdbfe;opacity:.85}.link-button.discreet:hover{opacity:1}.link-button:hover{color:#fff;border-bottom-color:#fff}.badge{padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.admin-badge{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border:1px solid rgba(254,202,202,.55);box-shadow:0 8px 16px #7f1d1d59}.status-badge{display:inline-block;padding:.25rem .5rem;border-radius:var(--radius);font-size:.8rem;margin-top:1rem}.status-badge.completed{background-color:var(--secondary);color:var(--text-muted)}.toolbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;margin-bottom:2rem;column-gap:1rem;row-gap:.75rem;position:sticky;top:0;z-index:20;padding:0 0 .5rem;background:linear-gradient(180deg,var(--bg-main) 78%,rgba(249,250,251,0))}.filters{display:flex;grid-column:2;justify-self:center;gap:.4rem;background:linear-gradient(180deg,#fff,#f3f4f6);border:1px solid #e5e7eb;padding:.35rem;border-radius:999px;box-shadow:0 8px 20px #0f172a14}.toolbar-actions{grid-column:3;justify-self:end;display:flex;gap:.5rem;flex-wrap:wrap}.filter-btn{background:transparent;padding:.5rem .85rem;border-radius:999px;color:#475569;font-weight:600;display:inline-flex;align-items:center;gap:.45rem;transition:all .2s ease}.filter-label{display:inline-flex;align-items:center;gap:.35rem}.filter-label:before{content:"";width:.5rem;height:.5rem;border-radius:999px;background:#94a3b8}.filter-btn.today .filter-label:before{background:var(--today-color)}.filter-btn.tomorrow .filter-label:before{background:var(--tomorrow-color)}.filter-btn.upcoming .filter-label:before{background:var(--upcoming-color)}.filter-btn.history .filter-label:before{background:var(--history-color)}.filter-count{min-width:1.5rem;height:1.5rem;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:#e2e8f0;color:#1e293b;font-size:.78rem;font-weight:700}.filter-btn:hover{background:#fff;color:#0f172a;box-shadow:0 4px 10px #0f172a1a}.filter-btn.active{box-shadow:0 8px 16px #0f172a38;color:#fff}.filter-btn.today.active{background:linear-gradient(135deg,#10b981,#059669)}.filter-btn.tomorrow.active{background:linear-gradient(135deg,#f59e0b,#d97706)}.filter-btn.upcoming.active{background:linear-gradient(135deg,#3b82f6,#2563eb)}.filter-btn.history.active{background:linear-gradient(135deg,#64748b,#475569)}.filter-btn.active .filter-count{background:#fff3;color:#fff}.tabs{display:flex;gap:.45rem;padding:.35rem;background:#f3f4f6;border-radius:.8rem;margin-bottom:1.2rem;overflow-x:auto}.tab-btn{padding:.65rem 1rem;border-radius:.65rem;color:#475569;font-weight:600;white-space:nowrap;border:1px solid transparent;background:transparent}.tab-btn:hover{background:#fff;color:#1e293b}.tab-btn.active{background:#fff;color:var(--primary);border-color:#dbeafe;box-shadow:0 6px 12px #4f46e524}.btn-primary{background-color:var(--primary);color:#fff;padding:.6rem 1.2rem;border-radius:var(--radius);font-weight:500}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:var(--secondary);color:var(--text-main);padding:.6rem 1.2rem;border-radius:var(--radius)}.btn-secondary:hover{background-color:var(--secondary-hover)}.selection-page{position:relative;width:100%;max-width:980px;margin:2rem auto 2.8rem;padding:0 .9rem;perspective:1400px}.selection-page:before,.selection-page:after{content:"";position:absolute;border-radius:999px;pointer-events:none}.selection-page:before{width:280px;height:280px;top:-96px;right:-120px;background:radial-gradient(circle,rgba(14,165,233,.23),transparent 70%)}.selection-page:after{width:240px;height:240px;bottom:-102px;left:-96px;background:radial-gradient(circle,rgba(20,184,166,.2),transparent 68%)}.selection-card{position:relative;z-index:1;overflow:hidden;border-radius:1.4rem;border:1px solid #d4e4f0;background:linear-gradient(142deg,#f7fbff,#edf5ff 58%,#f8fcff);display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:1.2rem;padding:1.2rem;box-shadow:0 30px 55px #0f172a33,inset 0 1px #ffffffdb;animation:selectionCardIn .35s ease-out;transform-style:preserve-3d;transition:transform .28s ease,box-shadow .28s ease}.selection-card:before,.selection-card:after{content:"";position:absolute;pointer-events:none}.selection-card:before{inset:0;background:linear-gradient(145deg,#ffffff6b,#fff0)}.selection-card:after{left:6%;right:6%;bottom:-22px;height:28px;border-radius:999px;background:#0f172a38;filter:blur(16px);z-index:-1}.selection-card:hover{transform:rotateX(1.1deg) rotateY(-1.1deg) translateY(-3px);box-shadow:0 38px 62px #0f172a3d,inset 0 1px #ffffffeb}.selection-hero{position:relative;border-radius:1.08rem;padding:1.4rem 1.3rem;background:linear-gradient(155deg,#0b2341,#12395f 52%,#0b2b4f);border:1px solid rgba(191,219,254,.2);overflow:hidden;text-align:center;box-shadow:0 18px 30px #02061757,inset 0 1px #ffffff1f;transform:translateZ(42px);transition:transform .28s ease,box-shadow .28s ease}.selection-hero:before,.selection-hero:after{content:"";position:absolute;pointer-events:none}.selection-hero:before{width:220px;height:220px;border-radius:50%;right:-112px;top:-120px;background:radial-gradient(circle,rgba(56,189,248,.38),transparent 72%)}.selection-hero:after{inset:0;background:linear-gradient(130deg,#ffffff14,#fff0)}.selection-card:hover .selection-hero{transform:translateZ(54px);box-shadow:0 22px 34px #0206176b,inset 0 1px #ffffff24}.selection-kicker{display:inline-flex;align-items:center;border-radius:999px;border:1px solid rgba(191,219,254,.4);background:#1e40af59;color:#dbeafe;font-size:.68rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;padding:.33rem .66rem;position:relative;z-index:1}.selection-title{margin-top:.9rem;font-size:clamp(1.5rem,3.6vw,2.05rem);font-weight:800;line-height:1.18;color:#f8fafc;position:relative;z-index:1}.selection-subtitle{margin-top:.62rem;margin-left:auto;margin-right:auto;color:#dbeafe;font-size:.94rem;max-width:54ch;position:relative;z-index:1}.selection-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:.82rem;position:relative;z-index:1}.selection-meta-chip{display:inline-flex;align-items:center;border-radius:999px;border:1px solid rgba(191,219,254,.32);background:#0f172a33;color:#dbeafe;font-size:.74rem;font-weight:700;padding:.31rem .66rem}.selection-meta-chip.ready{border-color:#86efac9e;background:#065f467a;color:#d1fae5}.selection-meta-chip.waiting{border-color:#94a3b880;background:#0f172a47;color:#cbd5e1}.selection-form-shell{position:relative;overflow:hidden;border-radius:1.08rem;border:1px solid #dbe7f2;background:#ffffffeb;box-shadow:0 20px 34px #0f172a1f,inset 0 1px #ffffffe6;padding:1.22rem;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);transform:translateZ(20px);transition:transform .28s ease,box-shadow .28s ease}.selection-form-shell:before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,#ffffff94,#fff0);pointer-events:none}.selection-card:hover .selection-form-shell{transform:translateZ(30px);box-shadow:0 24px 38px #0f172a29,inset 0 1px #fffffff0}.selection-feedback{border-radius:.75rem;padding:.74rem .88rem;font-size:.93rem;font-weight:600;margin-bottom:.92rem}.selection-feedback.error{border:1px solid #fda4af;background:#fff1f2;color:#9f1239}.selection-feedback.info{border:1px solid #bfdbfe;background:#eff6ff;color:#1e3a8a}.selection-form{position:relative;z-index:1;display:grid;gap:.95rem}.selection-field{display:grid;gap:.42rem}.selection-field label{margin-bottom:0;color:#1e293b;font-weight:700;font-size:.88rem;letter-spacing:.01em}.selection-select-wrap{position:relative}.selection-select-wrap:after{content:"";position:absolute;top:50%;right:.98rem;width:.5rem;height:.5rem;border-right:2px solid #475569;border-bottom:2px solid #475569;transform:translateY(-65%) rotate(45deg);pointer-events:none}.selection-select{appearance:none;background:#fff;border:1px solid #c7d6e4;border-radius:.72rem;color:#0f172a;font-size:.98rem;font-weight:500;padding:.82rem 2.35rem .82rem .88rem;width:100%;box-shadow:0 8px 14px #0f172a14,inset 0 1px #ffffffd1;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease}.selection-select:hover{border-color:#7aa8cd}.selection-select:focus{outline:none;border-color:#0284c7;box-shadow:0 0 0 4px #0284c729}.selection-select:disabled{cursor:not-allowed;color:#8ea0b5;border-color:#d7e2ed;background:#f3f7fb}.selection-submit{width:100%;border-radius:.78rem;padding:.88rem 1rem;font-size:.98rem;font-weight:700;letter-spacing:.015em;background:linear-gradient(135deg,#0f766e,#0284c7 52%,#0369a1);box-shadow:0 16px 28px #0284c74d,inset 0 1px #fff6;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}.selection-submit:hover:not(:disabled){transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 18px 30px #0284c74d}.selection-submit:active:not(:disabled){transform:translateY(0);box-shadow:0 9px 16px #0284c742}.selection-submit-arrow{font-size:1rem;transition:transform .2s ease}.selection-submit:hover:not(:disabled) .selection-submit-arrow{transform:translate(2px)}.selection-submit:disabled{background:linear-gradient(135deg,#9eb1c6,#c7d7e7);box-shadow:none;color:#eff6ff}@keyframes selectionCardIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:900px){.selection-card{grid-template-columns:1fr}.selection-hero,.selection-form-shell{border-radius:.95rem}.selection-card:hover,.selection-hero,.selection-form-shell,.selection-card:hover .selection-hero,.selection-card:hover .selection-form-shell{transform:none}}.btn-action{padding:.6rem 1.2rem;border-radius:var(--radius);font-weight:500;color:#fff;transition:all .2s;box-shadow:0 1px 2px #0000000d}.btn-action:hover{transform:translateY(-1px);box-shadow:0 4px 6px -1px #0000001a}.btn-action.configure{background-color:#4b5563}.btn-action.configure:hover{background-color:#374151}.btn-action.schedule{background-color:#2563eb}.btn-action.schedule:hover{background-color:#1d4ed8}.btn-action.publish{background-color:#059669}.btn-action.publish:hover{background-color:#047857}.add-btn{box-shadow:var(--shadow)}.course-list-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:1.15rem;perspective:1200px;transform-style:preserve-3d}.upcoming-groups{display:grid;gap:1.4rem}.upcoming-group{position:relative;display:grid;gap:.85rem;padding:.9rem;border-radius:1rem;border:1px solid #dbe4ef;background:linear-gradient(165deg,#fff,#f8fafc);box-shadow:0 14px 24px #0f172a14,0 1px #ffffffd9 inset;overflow:hidden}.upcoming-group:before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:#94a3b8}.upcoming-group-header{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.65rem .85rem;border-radius:.8rem;border:1px solid #dbe4ef}.upcoming-group-header h3{margin:0;display:inline-flex;align-items:center;gap:.45rem;font-size:.98rem;font-weight:800;letter-spacing:.02em;text-transform:uppercase}.upcoming-group-header h3:before{content:"";width:.52rem;height:.52rem;border-radius:999px}.upcoming-group-count{min-width:1.7rem;height:1.7rem;padding:0 .45rem;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:.8rem}.upcoming-group-empty{margin:0;padding:.85rem .95rem;border-radius:.65rem;border:1px dashed;font-weight:600}.upcoming-group-this-week{border-color:#f59e0b6b;background:linear-gradient(160deg,#fffbeb,#fff7ed)}.upcoming-group-this-week:before{background:linear-gradient(90deg,#f59e0b,#f97316)}.upcoming-group-this-week .upcoming-group-header{background:linear-gradient(180deg,#fff7ed,#ffedd5);border-color:#fdba74}.upcoming-group-this-week .upcoming-group-header h3{color:#9a3412}.upcoming-group-this-week .upcoming-group-header h3:before{background:#f59e0b}.upcoming-group-this-week .upcoming-group-count{background:linear-gradient(135deg,#f59e0b,#ea580c);color:#fff;box-shadow:0 8px 14px #ea580c47}.upcoming-group-this-week .upcoming-group-empty{border-color:#fdba74;background:#fff7ed;color:#9a3412}.upcoming-group-next-week{border-color:#3b82f666;background:linear-gradient(160deg,#eff6ff,#eef9ff)}.upcoming-group-next-week:before{background:linear-gradient(90deg,#3b82f6,#0ea5e9)}.upcoming-group-next-week .upcoming-group-header{background:linear-gradient(180deg,#e0f2fe,#dbeafe);border-color:#93c5fd}.upcoming-group-next-week .upcoming-group-header h3{color:#1e3a8a}.upcoming-group-next-week .upcoming-group-header h3:before{background:#2563eb}.upcoming-group-next-week .upcoming-group-count{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;box-shadow:0 8px 14px #2563eb3d}.upcoming-group-next-week .upcoming-group-empty{border-color:#93c5fd;background:#eff6ff;color:#1e3a8a}.upcoming-group-rest{border-color:#64748b70;background:linear-gradient(160deg,#f8fafc,#f1f5f9)}.upcoming-group-rest:before{background:linear-gradient(90deg,#64748b,#475569)}.upcoming-group-rest .upcoming-group-header{background:linear-gradient(180deg,#f1f5f9,#e2e8f0);border-color:#cbd5e1}.upcoming-group-rest .upcoming-group-header h3{color:#334155}.upcoming-group-rest .upcoming-group-header h3:before{background:#64748b}.upcoming-group-rest .upcoming-group-count{background:#e2e8f0;color:#334155}.upcoming-group-rest .upcoming-group-empty{border-color:#cbd5e1;background:#f8fafc;color:#475569}.course-card{background:linear-gradient(165deg,#fff,#f8fbff 58%,#eef4fb);border-radius:1.1rem;padding:1.35rem;box-shadow:0 16px 28px #0f172a1f,0 2px #ffffffeb inset,0 -8px 16px #94a3b814 inset;border:1px solid rgba(148,163,184,.28);transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease,filter .26s ease;position:relative;overflow:hidden;isolation:isolate;transform-style:preserve-3d;will-change:transform;min-width:0}.course-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:#cbd5e1;z-index:2}.course-card:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 108% -10%,rgba(148,163,184,.22),transparent 38%),linear-gradient(132deg,#ffffff6b,#fff0 34%);pointer-events:none;z-index:0}.course-card>*{position:relative;z-index:1}.course-card.today{border-color:#6ee7b7;background:linear-gradient(140deg,#ecfdf5,#fff 56%,#f0fdf4)}.course-card.today:before{background:linear-gradient(90deg,#10b981,#34d399)}.course-card.tomorrow{border-color:#fcd34d;background:linear-gradient(140deg,#fffbeb,#fff 56%,#fef3c7)}.course-card.tomorrow:before{background:linear-gradient(90deg,#f59e0b,#fbbf24)}.course-card.upcoming{border-color:#93c5fd;background:linear-gradient(140deg,#eff6ff,#fff 56%,#f0f9ff)}.course-card.upcoming:before{background:linear-gradient(90deg,#3b82f6,#60a5fa)}.course-card.history{border-color:#cbd5e1;background:linear-gradient(140deg,#f8fafc,#f1f5f9 70%,#e2e8f0)}.course-card.history:before{background:linear-gradient(90deg,#64748b,#94a3b8)}.course-card:hover{transform:none;box-shadow:0 28px 44px #0f172a33,0 2px #ffffffe6 inset;filter:none}.course-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.course-code{padding:.3rem .65rem;border-radius:.5rem;font-size:.78rem;font-weight:800;letter-spacing:.03em;border:1px solid transparent;box-shadow:0 8px 14px #0f172a1f,0 1px #ffffffd9 inset}.course-card.today .course-code{background-color:#10b98129;color:#065f46;border-color:#10b98147}.highlight-day{color:var(--text-main);font-weight:800;display:inline-block;background:#4f46e51a;padding:0 .35rem;border-radius:4px;color:var(--primary)}.course-card.tomorrow .course-code{background-color:#f59e0b26;color:#92400e;border-color:#f59e0b59}.course-card.upcoming .course-code{background-color:#3b82f61f;color:#1d4ed8;border-color:#3b82f63d}.course-card.history .course-code{background-color:#e2e8f0;color:#475569;border-color:#cbd5e1}.course-title{font-size:1.16rem;font-weight:700;line-height:1.4;margin-bottom:.75rem;color:#0f172a}.course-meta{display:flex;flex-wrap:wrap;gap:.45rem;margin-bottom:.8rem}.meta-chip{font-size:.72rem;padding:.24rem .62rem;background:#f8fafcfa;border-radius:999px;color:#334155;font-weight:700;border:1px solid #e2e8f0;box-shadow:0 6px 10px #0f172a14,0 1px #ffffffd9 inset}.course-details{display:flex;flex-direction:column;gap:.55rem;color:#334155}.detail-row{display:flex;align-items:center;gap:.6rem;padding:.52rem .62rem;background:#fffffffa;border:1px solid rgba(226,232,240,.95);border-radius:.55rem;font-size:.94rem;box-shadow:0 8px 14px #0f172a14,0 1px #ffffffe6 inset;transition:transform .2s ease,box-shadow .2s ease}.course-card:hover .detail-row{transform:none;box-shadow:0 10px 16px #0f172a1f,0 1px #ffffffe6 inset}@media(max-width:640px){.course-list-grid{grid-template-columns:minmax(0,1fr);gap:.75rem;perspective:none}.upcoming-groups{gap:1rem}.upcoming-group{padding:.65rem;border-radius:.85rem}.upcoming-group-header{padding:.55rem .65rem}.upcoming-group-header h3{font-size:.85rem}.upcoming-group-empty{padding:.7rem .75rem;font-size:.85rem}.course-card{padding:.85rem;border-radius:.75rem}.course-header{margin-bottom:.5rem}.course-code{padding:.2rem .5rem;font-size:.7rem}.course-title{font-size:.95rem;margin-bottom:.5rem;line-height:1.3}.course-meta{gap:.35rem;margin-bottom:.6rem}.course-details{gap:.35rem}.detail-row{padding:.35rem .5rem;font-size:.8rem;border-radius:.4rem;gap:.5rem}.meta-chip{font-size:.65rem;padding:.15rem .4rem}.icon{min-width:2.75rem;font-size:.65rem}.course-card:hover{transform:none;box-shadow:0 16px 24px #0f172a26;filter:none}.course-card:hover .detail-row{transform:none}}.icon{min-width:3.25rem;font-size:.72rem;font-weight:700;color:#475569;letter-spacing:.03em;text-transform:uppercase}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background-color:var(--bg-card);padding:2rem;border-radius:1rem;box-shadow:0 20px 25px -5px #0000001a;width:90%;max-width:400px;animation:slideUp .3s ease-out;max-height:90vh;overflow-y:auto}.modal-content.large{max-width:600px}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-content h2{margin-bottom:1.5rem;font-size:1.5rem;color:var(--text-main);text-align:center}.form-group{margin-bottom:1rem}.form-row{display:flex;gap:1rem}.form-row .form-group{flex:1}label{display:block;margin-bottom:.5rem;font-weight:500;font-size:.9rem}input,select{width:100%;padding:.75rem;border:1px solid #d1d5db;border-radius:var(--radius);font-size:1rem;transition:border-color .2s}input:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.password-input-container{position:relative;width:100%}.password-toggle-btn{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--text-muted);padding:4px;display:flex;align-items:center;justify-content:center;transition:color .2s}.password-toggle-btn:hover{color:var(--primary)}.modal-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:1.5rem}.error-message{color:var(--danger);font-size:.9rem;margin-bottom:1rem;text-align:center}@media(max-width:640px){.modal-content{padding:1.5rem;width:95%;border-radius:.5rem}}.empty-state{text-align:center;padding:4rem 2rem;opacity:.6}.empty-state.loading-state{opacity:1;min-height:42vh;display:grid;place-items:center;padding:2rem}.loading-3d{display:grid;justify-items:center;gap:1rem}.loading-cube-scene{position:relative;width:88px;height:88px;perspective:560px}.loading-cube{position:absolute;top:50%;left:50%;width:54px;height:54px;transform-style:preserve-3d;transform:translate(-50%,-50%) rotateX(-24deg) rotateY(34deg);animation:loadingCubeSpin 1.9s ease-in-out infinite}.loading-cube-face{position:absolute;inset:0;border-radius:.72rem;border:1px solid rgba(148,163,184,.35);background:linear-gradient(145deg,#ffffffd1,#f1f5f959);box-shadow:inset 0 1px #ffffffd9,0 12px 20px #0f172a29;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.loading-cube-face.front{transform:translateZ(27px)}.loading-cube-face.back{transform:rotateY(180deg) translateZ(27px)}.loading-cube-face.right{transform:rotateY(90deg) translateZ(27px)}.loading-cube-face.left{transform:rotateY(-90deg) translateZ(27px)}.loading-cube-face.top{transform:rotateX(90deg) translateZ(27px)}.loading-cube-face.bottom{transform:rotateX(-90deg) translateZ(27px)}.loading-cube-shadow{position:absolute;left:50%;bottom:6px;width:62px;height:16px;transform:translate(-50%);border-radius:999px;background:#0f172a42;filter:blur(9px);animation:loadingShadowPulse 1.9s ease-in-out infinite}.loading-label{color:#334155;font-size:.95rem;font-weight:700;letter-spacing:.03em}.app-boot-state .loading-label{font-size:1.02rem;font-weight:800;letter-spacing:.065em;text-transform:uppercase;color:#1d4ed8;background:linear-gradient(120deg,#1e3a8a 8%,#3b82f6 34%,#93c5fd,#3b82f6 66%,#1e3a8a 92%);background-size:220% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-shadow:0 1px 0 rgba(255,255,255,.86),0 10px 22px rgba(37,99,235,.24);animation:appLabelShimmer 2.6s linear infinite,appLabelPulse 1.6s ease-in-out infinite alternate}@keyframes appLabelShimmer{0%{background-position:-120% 50%}to{background-position:120% 50%}}@keyframes appLabelPulse{0%{transform:translateY(0);filter:brightness(1)}to{transform:translateY(-1px);filter:brightness(1.1)}}.app-content{position:relative}.transition-loader-overlay{position:absolute;inset:0;z-index:32;display:grid;place-items:center;background:radial-gradient(circle at 50% 0%,rgba(14,165,233,.12),transparent 40%),#f8fafcbf;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);animation:transitionOverlayIn .2s ease-out}.transition-loader-overlay .loading-3d{transform:scale(.93)}.transition-loader-overlay .loading-label{color:#0f172a}@keyframes transitionOverlayIn{0%{opacity:0}to{opacity:1}}@keyframes loadingCubeSpin{0%{transform:translate(-50%,-50%) rotateX(-24deg) rotateY(34deg)}25%{transform:translate(-50%,-50%) rotateX(-24deg) rotateY(124deg)}50%{transform:translate(-50%,-50%) rotateX(-24deg) rotateY(214deg)}75%{transform:translate(-50%,-50%) rotateX(-24deg) rotateY(304deg)}to{transform:translate(-50%,-50%) rotateX(-24deg) rotateY(394deg)}}@keyframes loadingShadowPulse{0%,to{width:62px;opacity:.5}50%{width:72px;opacity:.3}}@media(prefers-reduced-motion:reduce){.loading-cube,.loading-cube-shadow,.app-boot-state .loading-label,.transition-loader-overlay{animation:none}}@media(max-width:640px){.app-header{padding:.95rem 1rem .9rem}.header-content{flex-direction:column;gap:.5rem}.header-content nav{position:static}.toolbar{grid-template-columns:1fr;justify-items:center}.filters{grid-column:1;justify-self:center;width:100%;max-width:100%;justify-content:center;flex-wrap:wrap}.toolbar-actions{grid-column:1;justify-self:center;width:100%;justify-content:center}.modal-overlay{align-items:flex-start;padding:1rem;overflow-y:auto}.modal-content{padding:1.25rem;width:100%;max-width:none;border-radius:.75rem;margin-top:1rem;margin-bottom:1rem;max-height:none}.modal-content h2{font-size:1.25rem;margin-bottom:1rem}.form-group{margin-bottom:.75rem}.form-row{flex-direction:column;gap:0}.hide-mobile{display:none}.selection-page{margin:1.05rem auto 1.8rem;padding:0 .3rem}.selection-card{border-radius:1rem;gap:.85rem;padding:.8rem}.selection-hero{border-radius:.85rem;padding:1.05rem .9rem}.selection-kicker{font-size:.63rem;letter-spacing:.12em;padding:.28rem .56rem}.selection-title{margin-top:.75rem;font-size:1.34rem}.selection-subtitle{font-size:.87rem}.selection-meta-chip{font-size:.7rem}.selection-form-shell{border-radius:.85rem;padding:.95rem .82rem}.selection-feedback{font-size:.84rem;margin-bottom:.75rem}.selection-form{gap:.75rem}.selection-select{font-size:.92rem;padding:.74rem 2.1rem .74rem .75rem}.selection-submit{font-size:.9rem;padding:.76rem .9rem}}.admin-actions{display:flex;gap:.5rem}.icon-btn{border:1px solid #dbe1ea;background:#f8fafc;color:#334155;font-size:1rem;padding:.35rem .45rem;border-radius:.5rem;opacity:1}.icon-btn:hover{background-color:#fff;box-shadow:0 6px 12px #0f172a1f}.delete-btn{color:#b91c1c;border-color:#fecaca}.delete-btn:hover{background:#fef2f2}.flex-column-mobile{display:flex;gap:1rem}.responsive-grid-form{display:grid;grid-template-columns:1fr 2fr 1fr auto;gap:.5rem;align-items:end}.toast-container{position:fixed;top:1rem;right:1rem;z-index:2000;display:flex;flex-direction:column;gap:.6rem;width:min(92vw,360px)}.toast{display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.75rem .9rem;border-radius:.5rem;border:1px solid transparent;background:#fff;box-shadow:0 10px 18px #0000001f;animation:toastIn .2s ease-out}.toast-success{border-color:#86efac;background:#f0fdf4;color:#14532d}.toast-error{border-color:#fca5a5;background:#fef2f2;color:#7f1d1d}.toast-info{border-color:#93c5fd;background:#eff6ff;color:#1e3a8a}.toast-close{background:transparent;border:none;color:inherit;font-size:1rem;line-height:1;opacity:.8}.toast-close:hover{opacity:1}@keyframes toastIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}@media(max-width:640px){.flex-column-mobile{flex-direction:column}.responsive-grid-form{grid-template-columns:1fr;align-items:stretch}.responsive-grid-form>button{margin-top:1rem}.course-table-container{overflow-x:auto}.course-table{min-width:600px}.admin-actions{flex-wrap:wrap}.toolbar-actions{display:none}}@media(max-width:768px){.toolbar .toolbar-actions{display:none!important}}