:root,html[data-theme=dark]{--ink: #e8eef4;--muted: #8b9aab;--paper: #070b10;--panel: rgba(18, 26, 36, .72);--accent: #2dd4bf;--accent-deep: #14b8a6;--line: rgba(232, 238, 244, .1);--input-bg: rgba(10, 16, 24, .9);--ghost-hover: rgba(255, 255, 255, .06);--shadow: 0 18px 48px rgba(0, 0, 0, .35);--bg-glow-a: rgba(45, 212, 191, .14);--bg-glow-b: rgba(56, 120, 180, .12);--bg-base: linear-gradient(165deg, #070b10 0%, #0c1420 55%, #0a1018 100%);--danger: #f87171;--radius: 10px;--font-display: "Syne", "Segoe UI", sans-serif;--font-body: "Manrope", "Segoe UI", sans-serif;--green: var(--accent);--green-light: #5eead4;--gold: var(--accent);--gold-light: #5eead4;--cream: var(--paper);--surface: #121a24;--text: var(--ink);--text-muted: var(--muted);--border: var(--line);--sidebar-bg: rgba(10, 16, 24, .92);color-scheme:dark}html[data-theme=light]{--ink: #0c1620;--muted: #5a6b7a;--paper: #eef2f6;--panel: #ffffff;--accent: #0d7a6f;--accent-deep: #095a52;--line: rgba(12, 22, 32, .1);--input-bg: #f8fafc;--ghost-hover: rgba(12, 22, 32, .04);--shadow: 0 18px 40px rgba(12, 22, 32, .08);--bg-glow-a: rgba(13, 122, 111, .16);--bg-glow-b: rgba(20, 60, 90, .12);--bg-base: linear-gradient(165deg, #f4f7fa 0%, #e7edf3 55%, #dfe8ef 100%);--danger: #a33;--green: var(--accent);--green-light: #0d7a6f;--gold: var(--accent);--gold-light: #14b8a6;--cream: var(--paper);--surface: #ffffff;--text: var(--ink);--text-muted: var(--muted);--border: var(--line);--sidebar-bg: #0c1620;color-scheme:light}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background:var(--bg-base);color:var(--text);line-height:1.55;min-height:100vh;transition:background .35s ease,color .35s ease}h1,h2,h3{font-family:var(--font-display);color:var(--accent);font-weight:700;letter-spacing:-.02em}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline;color:var(--green-light)}.app-layout{display:flex;min-height:100vh}.sidebar{width:260px;background:var(--sidebar-bg);color:var(--ink);display:flex;flex-direction:column;flex-shrink:0;border-right:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}html[data-theme=light] .sidebar{color:#e8eef4}.sidebar-brand{padding:28px 24px;border-bottom:1px solid var(--line)}.sidebar-brand h1{color:var(--accent);font-size:1.45rem;font-family:var(--font-display);line-height:1.2}.sidebar-brand p{font-size:.75rem;color:var(--muted);margin-top:6px}html[data-theme=light] .sidebar-brand p{color:#e8eef4a6}.sidebar-nav{flex:1;padding:16px 12px}.nav-item{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--radius);color:#e8eef4d1;font-size:.9rem;font-weight:500;transition:background .15s,color .15s;margin-bottom:4px}.nav-item:hover{background:#2dd4bf1f;text-decoration:none;color:#fff}.nav-item.active{background:#2dd4bf2e;color:var(--green-light);box-shadow:inset 0 0 0 1px #2dd4bf47}.sidebar-footer{padding:16px 24px;border-top:1px solid var(--line);font-size:.8rem}.sidebar-footer .user-name{font-weight:600;color:var(--ink)}html[data-theme=light] .sidebar-footer .user-name{color:#e8eef4}.sidebar-footer .user-role{opacity:.6;font-size:.75rem}.main-content{flex:1;padding:32px 40px;overflow-y:auto;background:radial-gradient(900px 520px at 12% -8%,var(--bg-glow-a),transparent 55%),radial-gradient(700px 420px at 88% 40%,var(--bg-glow-b),transparent 50%),transparent}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.page-header h2{font-size:2rem}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius);font-size:.875rem;font-weight:600;border:none;cursor:pointer;transition:all .15s;font-family:var(--font-body)}.btn-primary{background:var(--accent);color:#06201c}.btn-primary:hover{background:var(--green-light)}html[data-theme=light] .btn-primary{color:#fff}.btn-gold{background:var(--accent-deep);color:#fff}.btn-gold:hover{background:var(--accent);color:#06201c}.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:6px 14px;font-size:.8rem}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.filters{display:flex;gap:12px;margin-bottom:20px;flex-wrap:wrap}.filters input,.filters select{padding:9px 14px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:.875rem;background:var(--input-bg);color:var(--text);font-family:var(--font-body)}.filters input:focus,.filters select:focus{outline:none;border-color:var(--accent)}table{width:100%;border-collapse:collapse}th{text-align:left;padding:12px 16px;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:2px solid var(--border);font-weight:600}td{padding:14px 16px;border-bottom:1px solid var(--border);font-size:.875rem}tr:hover td{background:var(--ghost-hover)}.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:600}.badge-draft{background:#fff3cd;color:#856404}.badge-final{background:#d4edda;color:#155724}.badge-signed{background:#cce5ff;color:#004085}.badge-archived{background:#e2e3e5;color:#383d41}.actions{display:flex;gap:6px;flex-wrap:wrap}.form-group{margin-bottom:20px}.form-group 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var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.login-card h1{font-size:2.2rem;margin-bottom:8px}.login-card p{color:var(--text-muted);margin-bottom:32px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state h3{margin-bottom:8px}.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:16px;font-size:.875rem}.alert-error{background:#fdecea;color:var(--danger);border:1px solid #f5c6cb}.alert-info{background:#e8f4fd;color:#0c5460;border:1px solid #bee5eb}.alert-success{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.loading{text-align:center;padding:40px;color:var(--text-muted)}.btn-tutorial,.btn-theme-toggle{width:100%;margin-bottom:10px;justify-content:center;background:#2dd4bf1a;color:var(--green-light);border:1px solid rgba(45,212,191,.28)}.btn-tutorial:hover,.btn-theme-toggle:hover{background:#2dd4bf38;border-color:#2dd4bf80}html[data-theme=light] .btn-tutorial,html[data-theme=light] .btn-theme-toggle{color:#e8eef4;background:#2dd4bf24;border-color:#2dd4bf59}.tutorial-lead{color:var(--text-muted);margin-bottom:1.25rem;line-height:1.55}.tutorial-steps{margin:0 0 1.25rem 1.1rem;display:grid;gap:1rem}.tutorial-steps li{display:grid;gap:.25rem}.tutorial-steps li span{color:var(--text-muted);font-size:.92rem;line-height:1.5}.tutorial-tip{padding:12px 14px;border-radius:var(--radius);background:#2dd4bf1a;border:1px solid rgba(45,212,191,.25);font-size:.9rem;color:var(--text-muted);margin-bottom:.5rem}html[data-theme=dark] .badge-draft{background:#243040;color:#f5e6a8}html[data-theme=dark] .badge-final{background:#12352f;color:#a7f3d0}html[data-theme=dark] .badge-signed{background:#1a2a42;color:#bfdbfe}html[data-theme=dark] .badge-archived{background:#1e2630;color:#cbd5e1}html[data-theme=dark] .alert-error{background:#3a1a1a;color:#fecaca;border-color:#7f1d1d}html[data-theme=dark] .alert-info{background:#0f2a2e;color:#a5f3fc;border-color:#155e75}html[data-theme=dark] .alert-success{background:#102820;color:#bbf7d0;border-color:#166534}html[data-theme=dark] .sidebar-footer .btn-outline{color:#e8eef4;border-color:#e8eef440}@media(max-width:768px){.app-layout{flex-direction:column}.sidebar{width:100%}.main-content{padding:20px}.form-grid{grid-template-columns:1fr}}