:root {
    --bg: #09111f;
    --bg-soft: #0f172a;
    --panel: rgba(15, 23, 42, 0.72);
    --panel-solid: #0f172a;
    --line: rgba(148, 163, 184, 0.16);
    --line-strong: rgba(148, 163, 184, 0.24);
    --text: #e5eefc;
    --muted: #94a3b8;
    --primary: #3b82f6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --violet: #8b5cf6;
    --radius-xl: 24px;
    --radius-lg: 18px;
    --radius-md: 14px;
    --shadow-soft: 0 24px 60px rgba(2, 6, 23, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
    font-family: Inter, Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(59,130,246,0.18), transparent 26%),
        radial-gradient(circle at top right, rgba(16,185,129,0.12), transparent 24%),
        linear-gradient(180deg, #07101d 0%, #0b1324 100%);
    color: var(--text);
}

a { color: #93c5fd; text-decoration: none; }
a:hover { color: #bfdbfe; }

.app-shell { min-height: 100vh; }
.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 18px 28px;
    backdrop-filter: blur(14px);
    background: rgba(7, 16, 29, 0.82);
    border-bottom: 1px solid var(--line);
}
.brand-block { display: flex; gap: 14px; align-items: center; }
.brand-mark {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    font-size: 18px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), #60a5fa);
    color: white;
    box-shadow: 0 16px 35px rgba(59, 130, 246, 0.35);
}
.brand-title { font-size: 1.05rem; font-weight: 700; }
.brand-subtitle { color: var(--muted); font-size: 0.92rem; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }

.layout { max-width: 1480px; margin: 0 auto; padding: 28px; }
.layout.with-sidebar {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 24px;
}
.content-area { min-width: 0; }
.sidebar { display: grid; gap: 18px; align-content: start; }
.sidebar-card, .card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
}
.sidebar-card { padding: 20px; }
.sidebar-title { font-weight: 700; margin-bottom: 12px; }
.side-nav { display: grid; gap: 10px; }
.side-nav a {
    padding: 12px 14px;
    border-radius: 14px;
    color: var(--text);
    background: rgba(148, 163, 184, 0.04);
    border: 1px solid transparent;
}
.side-nav a.active,
.side-nav a:hover {
    background: rgba(59, 130, 246, 0.16);
    border-color: rgba(59, 130, 246, 0.28);
}
.highlight-card { background: linear-gradient(180deg, rgba(59,130,246,0.16), rgba(15,23,42,0.82)); }

.hero {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 24px;
    align-items: stretch;
    margin-bottom: 24px;
}
.premium-hero {
    padding: 36px;
    border-radius: 30px;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.58), rgba(15, 23, 42, 0.92));
    border: 1px solid rgba(96, 165, 250, 0.2);
    box-shadow: var(--shadow-soft);
}
.premium-hero-v2 { background: linear-gradient(135deg, rgba(30,64,175,0.62), rgba(15,23,42,0.94) 56%, rgba(16,185,129,0.22)); }
.eyebrow {
    display: inline-flex;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    background: rgba(148, 163, 184, 0.12);
    color: #cbd5e1;
}
.hero h1, .page-header h1, .auth-card h1 { margin: 14px 0 10px; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.04; }
.hero p, .page-header p, .card p { color: #d5e3f7; }
.hero-panel { display: grid; gap: 14px; }
.hero-stat-card {
    padding: 18px;
    border-radius: 18px;
    background: rgba(15, 23, 42, 0.72);
    border: 1px solid rgba(148, 163, 184, 0.12);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

.page-header, .compact-header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 18px;
    margin-bottom: 18px;
}
.compact-header h1 { font-size: 2rem; }

.cards-grid {
    display: grid;
    gap: 20px;
    margin-bottom: 24px;
}
.two-up { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.four-up { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stats-six-up { grid-template-columns: repeat(6, minmax(0, 1fr)); }

.card { padding: 24px; }
.metric-card { min-height: 150px; display: flex; flex-direction: column; justify-content: space-between; }
.metric-label { color: var(--muted); font-size: 0.95rem; }
.metric-value { font-size: 2.4rem; font-weight: 800; }
.gradient-card { background: linear-gradient(135deg, rgba(16, 185, 129, 0.18), rgba(15, 23, 42, 0.8)); }
.feature-card { min-height: 180px; }
.form-card.narrow-card { max-width: 980px; }
.subtle-card { background: rgba(15, 23, 42, 0.84); }
.auth-grid, .register-wide-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.auth-card { padding: 28px; }
.demo-box {
    margin: 18px 0;
    padding: 16px;
    border-radius: 16px;
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid var(--line);
    line-height: 1.8;
}

.flash {
    display: grid;
    gap: 4px;
    padding: 16px 18px;
    border-radius: 18px;
    margin-bottom: 18px;
    border: 1px solid var(--line-strong);
}
.flash.success { background: rgba(16, 185, 129, 0.12); }
.flash.error { background: rgba(239, 68, 68, 0.12); }

.form-group { display: grid; gap: 8px; margin-bottom: 16px; }
.compact-group { margin-bottom: 8px; }
.form-grid { display: grid; gap: 16px; }
.two-up-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
label { font-weight: 700; font-size: 0.92rem; }
input, select, textarea {
    width: 100%;
    border: 1px solid rgba(148, 163, 184, 0.16);
    border-radius: 14px;
    background: rgba(8, 15, 28, 0.86);
    color: var(--text);
    padding: 14px 15px;
    font: inherit;
    outline: none;
}
input:focus, select:focus, textarea:focus {
    border-color: rgba(96, 165, 250, 0.5);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
}
textarea { min-height: 100px; resize: vertical; }

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    border: none;
    border-radius: 14px;
    padding: 12px 16px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.16s ease, opacity 0.16s ease, background 0.16s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--primary), #60a5fa); color: white; }
.btn-secondary { background: rgba(148, 163, 184, 0.12); color: var(--text); border: 1px solid var(--line); }
.btn-success { background: linear-gradient(135deg, var(--success), #34d399); color: #052e1d; }
.btn-ghost { background: rgba(148, 163, 184, 0.08); color: var(--text); border: 1px solid var(--line); }
.inline-form { display: inline-flex; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
    padding: 16px 14px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}
th { color: #cbd5e1; font-size: 0.88rem; text-transform: uppercase; letter-spacing: 0.04em; }
.table-card { overflow: hidden; }
.meta-pills, .row-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.action-stack { display: grid; gap: 12px; min-width: 300px; }
.action-form textarea { min-height: 82px; }
.attachment-list { display: grid; gap: 6px; margin-top: 8px; }

.status-pill, .priority-pill {
    display: inline-flex;
    align-items: center;
    padding: 7px 12px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.82rem;
    border: 1px solid transparent;
}
.status-pending { background: rgba(245, 158, 11, 0.14); color: #fbbf24; border-color: rgba(245, 158, 11, 0.2); }
.status-review { background: rgba(59, 130, 246, 0.14); color: #93c5fd; border-color: rgba(59, 130, 246, 0.22); }
.status-awaiting { background: rgba(139, 92, 246, 0.16); color: #c4b5fd; border-color: rgba(139, 92, 246, 0.24); }
.status-approved, .status-issued { background: rgba(16, 185, 129, 0.14); color: #6ee7b7; border-color: rgba(16, 185, 129, 0.2); }
.status-rejected, .status-cancelled { background: rgba(239, 68, 68, 0.14); color: #fca5a5; border-color: rgba(239, 68, 68, 0.2); }
.status-neutral { background: rgba(148, 163, 184, 0.14); color: #cbd5e1; border-color: rgba(148, 163, 184, 0.2); }
.priority-normal { background: rgba(148, 163, 184, 0.12); color: #cbd5e1; }
.priority-medium { background: rgba(59, 130, 246, 0.14); color: #93c5fd; }
.priority-high { background: rgba(239, 68, 68, 0.14); color: #fda4af; }

.stack-list { display: grid; gap: 12px; }
.stack-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(148, 163, 184, 0.06);
    border: 1px solid rgba(148, 163, 184, 0.1);
}

.user-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 18px;
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid var(--line);
}
.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: rgba(59, 130, 246, 0.18);
    font-weight: 800;
}

.document-card { max-width: 1080px; }
.document-banner {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--line);
}
.document-meta-card {
    min-width: 280px;
    display: grid;
    gap: 8px;
    padding: 18px;
    border-radius: 18px;
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid rgba(148, 163, 184, 0.12);
}
.document-preview {
    white-space: pre-wrap;
    background: rgba(2, 6, 23, 0.82);
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 18px;
    padding: 22px;
    color: #dbeafe;
    margin-bottom: 18px;
    line-height: 1.8;
}

.filter-grid {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr auto;
    gap: 16px;
    align-items: end;
}
.filter-grid-4 { grid-template-columns: 1.4fr 0.9fr 1fr auto; }
.filter-actions { display: flex; gap: 10px; align-items: end; }
.check-list { margin: 0; padding-left: 20px; display: grid; gap: 10px; }
.small { font-size: 0.84rem; }
.muted { color: var(--muted); }
.section-title-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; }
.site-footer {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 22px 6px 8px;
    color: var(--muted);
    font-size: 0.88rem;
}
.info-grid { display: grid; gap: 12px; margin: 18px 0 22px; }
.info-tile {
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(8, 15, 28, 0.38);
    border: 1px solid rgba(148,163,184,0.1);
    display: grid;
    gap: 4px;
}
.info-tile strong { font-size: 1.05rem; }
.timeline-list { display: grid; gap: 16px; }
.timeline-item {
    display: grid;
    grid-template-columns: 16px 1fr;
    gap: 14px;
    align-items: start;
    padding: 16px 0;
    border-bottom: 1px solid rgba(148,163,184,0.12);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-dot {
    width: 12px;
    height: 12px;
    margin-top: 6px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), #60a5fa);
    box-shadow: 0 0 0 4px rgba(59,130,246,0.12);
}

@media print {
    body { background: white; color: black; }
    .topbar, .sidebar, .btn, .site-footer { display: none !important; }
    .layout, .content-area, .document-card { padding: 0; margin: 0; max-width: 100%; }
    .document-preview, .document-meta-card { border: none; background: white; color: black; padding: 0; }
    .document-banner { border-bottom: none; }
}

@media (max-width: 1280px) {
    .stats-six-up { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 1100px) {
    .layout.with-sidebar { grid-template-columns: 1fr; }
    .sidebar { order: 2; }
    .hero, .auth-grid, .register-wide-grid, .three-up, .four-up, .two-up { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    .topbar, .layout { padding: 18px; }
    .page-header, .compact-header, .filter-grid, .filter-grid-4, .two-up-grid, .document-banner { grid-template-columns: 1fr; display: grid; }
    .document-meta-card, .hero-actions, .filter-actions, .site-footer, .stack-item { flex-direction: column; align-items: stretch; }
    .hero h1, .page-header h1, .auth-card h1 { font-size: 2rem; }
    .stats-six-up { grid-template-columns: 1fr 1fr; }
}

.document-actions-bar { display:flex; flex-wrap:wrap; gap:12px; margin:18px 0 22px; }
.validation-card, .validation-result-card { margin-top: 18px; }
.inline-flash { margin-bottom: 18px; }
.document-card .sheet { margin-top: 8px; }