@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600&display=swap";:root{--toast-bg-error: #fef2f2;--toast-bg-success: #ecfdf3;--toast-bg-info: #eff6ff;--toast-border-error: #ef4444;--toast-border-success: #10b981;--toast-border-info: #3b82f6;--toast-text: #111827;--toast-shadow: 0 10px 25px rgba(15, 23, 42, .12)}.toast-container{position:fixed;top:1rem;right:1rem;z-index:1200;display:flex;flex-direction:column;gap:.625rem;width:min(92vw,26rem);pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:flex-start;justify-content:space-between;gap:.75rem;border-left:4px solid;border-radius:.65rem;padding:.75rem .875rem;color:var(--toast-text);box-shadow:var(--toast-shadow);animation:toast-enter .18s ease-out;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.toast-message{font-size:.95rem;line-height:1.35}.toast-close{border:none;background:transparent;color:#6b7280;font-size:1rem;line-height:1;cursor:pointer;padding:.1rem .25rem}.toast-close:hover{color:#111827}.toast-error{background:var(--toast-bg-error);border-color:var(--toast-border-error)}.toast-success{background:var(--toast-bg-success);border-color:var(--toast-border-success)}.toast-info{background:var(--toast-bg-info);border-color:var(--toast-border-info)}@keyframes toast-enter{0%{opacity:0;transform:translateY(-8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@media(max-width:640px){.toast-container{left:.75rem;right:.75rem;width:auto}}:root{--bg: #f8f8f8;--bg-soft: #f3f3f3;--surface: #fffdfd;--surface-strong: #ffffff;--text: #2b1515;--muted: #7a4b4b;--primary: #c62828;--primary-hover: #a91f1f;--border: #efcfcf;--danger: #b63a3a;--shadow: 0 10px 30px rgba(122, 26, 26, .1);--radius: 14px}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:IBM Plex Sans,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(circle at 10% -10%,#ffffff 0%,transparent 38%),radial-gradient(circle at 90% 0%,#f4f4f4 0%,transparent 42%),var(--bg)}h1,h2,h3,h4,h5{margin:0;font-family:Space Grotesk,Trebuchet MS,sans-serif;letter-spacing:.01em}p{margin:0}button,input,select,textarea{font:inherit}button{border:1px solid transparent;border-radius:10px;background:var(--primary);color:#fff;font-weight:600;padding:.58rem .95rem;cursor:pointer;transition:background .12s ease,transform .12s ease}button:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px)}button:disabled{opacity:.6;cursor:not-allowed;transform:none}.secondary-button{background:#fff;color:var(--primary);border-color:var(--border)}.secondary-button:hover:not(:disabled),.secondary-button.active{background:#ffe7e7}.app-shell{max-width:1100px;margin:0 auto;padding:1.2rem 1rem 2.5rem}.app-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.1rem}.app-brand{color:var(--muted);font-size:.95rem}.app-title-link{display:inline-block;text-decoration:none;color:#fff;background:linear-gradient(135deg,var(--primary) 0%,#8f1111 100%);border-radius:11px;padding:.35rem .7rem;border:1px solid #7d1515;box-shadow:0 6px 18px #97181838;transition:transform .12s ease}.app-title-link:hover{transform:translateY(-1px)}.panel{background:linear-gradient(180deg,var(--surface-strong) 0%,var(--surface) 100%);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:1rem}.stack{display:grid;gap:1rem}.page-title{display:flex;justify-content:space-between;align-items:center;gap:.5rem;margin-bottom:.85rem}.actions-inline{display:inline-flex;gap:.5rem;flex-wrap:wrap}.kv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:.65rem}.kv-item{background:var(--bg-soft);border-radius:10px;padding:.62rem .72rem}.account-balance-item{border:1px solid #f0b8b8;background:linear-gradient(180deg,#fff4f4,snow)}.balance-chip{display:inline-block;font-size:.78rem;font-weight:700;color:#8f1111;background:#ffe9e9;border:1px solid #f0b8b8;border-radius:999px;padding:.2rem .55rem;line-height:1.2}.kv-label{color:var(--muted);font-size:.77rem;text-transform:uppercase;letter-spacing:.05em}.kv-value{margin-top:.2rem;font-weight:600}.auth-wrap{max-width:460px;margin:4rem auto}.about-wrap{max-width:760px;margin:2rem auto;line-height:1.6}.about-highlight{border-left:4px solid var(--primary);background:#fff4f4;border-radius:8px;padding:.65rem .8rem;font-weight:600}.auth-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.auth-form,.order-form{display:grid;gap:.72rem}.field{display:grid;gap:.3rem}.field label{color:var(--muted);font-size:.88rem}.field input,.field select,.field textarea{width:100%;border:1px solid var(--border);border-radius:10px;padding:.58rem .7rem;background:#fff;color:var(--text)}.field textarea{min-height:100px;resize:vertical}.course-list{margin:0;padding:0;list-style:none;display:grid;gap:.72rem}.course-card{border:1px solid var(--border);border-radius:12px;background:#fff;padding:.8rem;cursor:pointer;transition:border-color .12s ease,transform .12s ease}.course-card-top{display:flex;align-items:center;justify-content:space-between;gap:.6rem}.favorite-toggle{border-radius:8px;min-width:2rem;background:#fff5f5;color:var(--primary);border-color:#f2bcbc;padding:.28rem .45rem}.favorite-toggle.is-favorite{background:#ffd8d8}.course-card:hover{border-color:var(--primary);transform:translateY(-1px)}.course-code{display:inline-block;font-size:.8rem;color:var(--primary);font-weight:700}.course-title{margin-top:.3rem;font-size:1rem;font-weight:600}.order-list{margin:0;padding:0;list-style:none;display:grid;gap:.62rem}.order-item{border:1px solid var(--border);border-radius:10px;padding:.72rem;background:#fff}.order-ticket{position:relative}.modal-backdrop{position:fixed;inset:0;background:#1e0a0a59;display:grid;place-items:center;z-index:20;padding:1rem}.modal-card{max-width:460px;width:100%;background:#fff;border-radius:14px;border:1px solid var(--border);padding:1rem;box-shadow:0 18px 36px #2e101038}.modal-actions{margin-top:.8rem;display:flex;justify-content:flex-end;gap:.6rem}.admin-tools{border-top:1px dashed var(--border);padding-top:.8rem}.admin-grid{display:grid;gap:.75rem}.skeleton-card{min-height:72px;background:linear-gradient(90deg,#f7e8e8,#fff4f4,#f7e8e8);background-size:200% 100%;animation:shimmer 1.5s infinite}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.order-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:.35rem}.side-chip{font-size:.72rem;border-radius:999px;padding:.2rem .56rem;font-weight:700;letter-spacing:.04em}.side-chip-buy{background:#ffe5e5;color:#9f1d1d}.side-chip-sell{background:#ffd4d4;color:#7f1313}.order-meta{color:var(--muted);font-size:.88rem;display:flex;gap:.8rem;flex-wrap:wrap}.order-description{margin-top:.45rem;color:#394542;font-size:.92rem}.holding-list{margin:0;padding:0;list-style:none;display:grid;gap:.62rem}.holding-item{border:1px solid var(--border);border-radius:10px;background:#fff;padding:.72rem;display:flex;justify-content:space-between;align-items:center;gap:.7rem}.holding-qty{font-family:Space Grotesk,Trebuchet MS,sans-serif;font-size:1.2rem;font-weight:700;color:var(--primary)}.holding-stats{display:flex;gap:.85rem;flex-wrap:wrap;justify-content:flex-end}.holding-stat{display:grid;justify-items:end;gap:.1rem;min-width:72px}.holding-stat span{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.holding-stat strong{color:var(--primary);font-size:1.02rem}.empty-note{color:var(--muted);font-size:.95rem}.auth-note{color:var(--muted);font-size:.95rem;line-height:1.35}.referral-panel{border-top:1px dashed var(--border);padding-top:.75rem}.leaderboard-list{margin:0;padding:0;list-style:none;display:grid;gap:.62rem}.leaderboard-item{border:1px solid var(--border);border-radius:10px;background:#fff;padding:.72rem;display:flex;justify-content:space-between;align-items:center;gap:.75rem}.layout-split{display:grid;grid-template-columns:2fr 1fr;gap:1rem}.surface-muted{background:var(--bg-soft);border-radius:10px;padding:.75rem}.graph-wrap{width:100%;min-height:280px}@media(max-width:900px){.app-header{gap:.6rem;flex-wrap:wrap}.layout-split{grid-template-columns:1fr}.app-shell{padding:.85rem .7rem 1.6rem}.order-ticket{position:sticky;bottom:0;z-index:5;padding:.55rem;border:1px solid var(--border);border-radius:12px;background:#fff9f9;box-shadow:0 -10px 24px #320a0a1f}}