:root{--bg: #f6f7fb;--surface: #ffffff;--text: #111827;--muted: #6b7280;--border: #e5e7eb;--primary: #6366f1;--primary-600: #4f46e5;--danger: #ef4444;--warning: #f59e0b;--secondary-bg: #f3f4f6;--secondary-bg-hover: #e5e7eb;--secondary-text: #111827;--subtle-bg: #f9fafb;--radius: 12px;--shadow-sm: 0 4px 14px rgba(0,0,0,.06);--shadow: 0 8px 30px rgba(0,0,0,.08);--bg-gradient-start: #f8fafc;--bg-gradient-end: #eef2ff;--sidebar-bg: #232946;--sidebar-text: #b8c1ec;--sidebar-link-active: #eebbc3;--sidebar-active-bg: #121629;--topbar-bg: var(--surface);--topbar-text: #232946;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html,body,#root{height:100%}body{margin:0;min-width:320px;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica Neue,Arial,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji"}.modern-nav-icon{font-family:"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji",sans-serif}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-600)}h1,h2,h3{margin:0 0 8px;line-height:1.2}:focus-visible{outline:3px solid rgba(99,102,241,.5);outline-offset:2px}[data-theme=dark]{--bg: #0b1220;--surface: #0f172a;--text: #e5e7eb;--muted: #9ca3af;--border: #1f2937;--primary: #8b95ff;--primary-600: #7b86ff;--danger: #f87171;--warning: #fbbf24;--secondary-bg: #111827;--secondary-bg-hover: #1f2937;--secondary-text: #e5e7eb;--subtle-bg: #0b1323;--shadow-sm: 0 4px 14px rgba(0,0,0,.35);--shadow: 0 8px 30px rgba(0,0,0,.45);--bg-gradient-start: #0b1220;--bg-gradient-end: #0f172a;--sidebar-bg: #0b1320;--sidebar-text: #9aa3d5;--sidebar-link-active: #ffd6de;--sidebar-active-bg: #0a0f1a;--topbar-bg: var(--surface);--topbar-text: var(--text)}.modern-app-layout{display:flex;min-height:100vh;background:linear-gradient(120deg,var(--bg-gradient-start) 0%,var(--bg-gradient-end) 100%);font-family:Inter,Segoe UI,Arial,sans-serif}.modern-sidebar{width:280px;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;align-items:stretch;padding:0;box-shadow:2px 0 12px #0000001a;transition:transform .2s ease}.modern-drawer-header{display:flex;align-items:center;justify-content:space-between;padding:18px 16px}.modern-logo{font-size:1.5rem;font-weight:800;letter-spacing:-.5px;color:var(--sidebar-link-active)}.modern-close-btn{display:none;background:transparent;border:1px solid var(--border);color:var(--text);padding:6px 10px;border-radius:8px;cursor:pointer}.modern-nav{display:flex;flex-direction:column;padding:8px}.modern-nav-link{display:flex;align-items:center;padding:12px 14px;color:var(--sidebar-text);text-decoration:none;font-size:1rem;transition:color .15s ease,transform .08s ease;margin:2px 0;border-radius:10px}.modern-nav-link:hover{color:var(--primary)}.modern-nav-link.active{color:var(--primary);font-weight:700}.modern-nav-icon{margin-right:10px;font-size:1.15em}.modern-nav-label{font-weight:600;letter-spacing:.1px}.modern-main-content{flex:1;display:flex;flex-direction:column;min-width:0}.modern-topbar{height:64px;background:var(--topbar-bg);display:flex;align-items:center;padding:0 16px;box-shadow:0 2px 8px #00000014;font-size:1.05rem;font-weight:700;color:var(--topbar-text);justify-content:space-between}.modern-content-wrapper{flex:1;padding:24px 16px;max-width:900px;margin:0 auto;width:100%}.modern-menu-btn,.modern-theme-btn{background:transparent;border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:8px;cursor:pointer;transition:all .15s ease}.modern-menu-btn:hover,.modern-theme-btn:hover{background:var(--hover-bg);border-color:var(--primary)}.modern-menu-btn{display:none}.modern-actions{display:flex;gap:8px;align-items:center}.modern-drawer-footer{margin-top:auto;padding:16px;border-top:1px solid var(--border)}.modern-drawer-footer .modern-theme-btn{width:100%;padding:10px 14px;font-weight:600}@media(max-width:900px){.modern-app-layout{flex-direction:column}.modern-menu-btn{display:inline-flex}.modern-sidebar{position:fixed;top:64px;left:0;right:0;width:100%;height:auto;max-height:calc(100vh - 64px);overflow:auto;z-index:40;border-right:none;box-shadow:0 4px 12px #00000026;opacity:0;transform:translateY(-12px);pointer-events:none;transition:opacity .2s ease,transform .2s ease}.modern-sidebar.open{opacity:1;transform:translateY(0);pointer-events:auto}.modern-close-btn{display:inline-flex}.modern-drawer-header{border-bottom:1px solid var(--border)}.modern-nav{padding:12px 8px}.modern-nav-link{padding:14px 16px;font-size:1rem;margin:4px 0}.modern-drawer-footer{border-top:1px solid var(--border);padding:12px 8px}.modern-topbar{padding:0 12px}.modern-mobile-overlay{position:fixed;inset:0;background:#00000073;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:30}.modern-main-content{margin-top:0}}.modern-loading-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(120deg,#f8fafc,#e0e7ff)}.modern-loading-spinner{width:48px;height:48px;border:5px solid #e0e7ff;border-top:5px solid #667eea;border-radius:50%;animation:modern-spin 1s linear infinite;margin-bottom:24px}@keyframes modern-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.page{max-width:1000px;margin:0 auto;padding:24px}.header-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px}.muted{color:var(--muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}.subtle-card{background:var(--subtle-bg)}.card-title{margin:0 0 6px;font-size:1.05rem}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;font-weight:600;font-size:14px;border-radius:10px;border:1px solid transparent;cursor:pointer;transition:transform .08s ease,background .15s ease,border-color .15s ease,color .15s ease}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-600)}.btn-secondary{background:#f3f4f6;color:#111827;border-color:var(--border)}.btn-secondary:hover{background:#e5e7eb}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{filter:brightness(.95)}.btn-warning{background:var(--warning);color:#111827}.btn-block{width:100%}.input,.select,.textarea{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:10px;background:var(--surface);font-size:14px;box-sizing:border-box}.input:focus,.select:focus,.textarea:focus{border-color:var(--primary)}.textarea{resize:vertical}.input,.select,.textarea{color:var(--text)}.input::placeholder,.textarea::placeholder{color:var(--muted)}.modal-overlay{position:fixed;inset:0;background:#11182780;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.modal-panel{background:var(--surface);width:100%;max-width:440px;border-radius:16px;border:1px solid var(--border);box-shadow:var(--shadow);padding:24px}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:36px;text-align:center;background:var(--subtle-bg);transition:border-color .15s ease,background .15s ease}.dropzone.drag-active{border-color:var(--primary);background:#eef2ff}.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted)}.back-link:hover{color:var(--text)}.caption-card{position:relative;padding-right:110px}.caption-copy-btn{position:absolute;top:14px;right:14px}.btn-secondary{background:var(--secondary-bg);color:var(--secondary-text);border-color:var(--border)}.btn-secondary:hover{background:var(--secondary-bg-hover)}