/* ═══════════════════════════════════════════════════════════════════════
   ZeroHuman Client Portal — Styles (Dark Theme)
   ═══════════════════════════════════════════════════════════════════════ */

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-hover: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #22d3ee;
    --border: #334155;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 4px 6px -1px rgba(0,0,0,.3);
    --transition: all .2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ── Login Page ─────────────────────────────────────────────────────── */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-container { width: 100%; max-width: 420px; padding: 1rem; }

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow);
}

.login-header { text-align: center; margin-bottom: 2rem; }
.login-header h1 { font-size: 1.75rem; margin-top: 1rem; }
.login-header p { color: var(--text-secondary); margin-top: .5rem; }
.logo { display: flex; justify-content: center; }

.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: block;
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: .375rem;
}
.form-group input {
    width: 100%;
    padding: .75rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}
.form-group input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99,102,241,.2);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .75rem 1.5rem;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; }
.btn-block { width: 100%; }

.login-error {
    margin-top: 1rem;
    padding: .75rem;
    background: rgba(239,68,68,.1);
    border: 1px solid var(--danger);
    border-radius: var(--radius);
    color: var(--danger);
    font-size: .875rem;
    text-align: center;
}

.login-footer { margin-top: 1.5rem; text-align: center; }
.demo-hint { color: var(--text-muted); font-size: .8rem; }

/* ── Dashboard Layout ───────────────────────────────────────────────── */
.dashboard-page { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 1.125rem;
}

.sidebar-nav { list-style: none; padding: 1rem 0; flex: 1; }
.sidebar-nav li a {
    display: block;
    padding: .625rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: .9375rem;
    transition: var(--transition);
}
.sidebar-nav li a:hover,
.sidebar-nav.active a { color: var(--text-primary); background: var(--bg-hover); }
.sidebar-nav li.active a { color: var(--accent); border-left: 3px solid var(--accent); }

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    font-size: .8125rem;
    color: var(--text-muted);
}
.user-name { display: block; margin-bottom: .5rem; }
.btn-logout {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: .375rem .75rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: .8125rem;
    transition: var(--transition);
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* ── Main Content ───────────────────────────────────────────────────── */
.main-content {
    flex: 1;
    margin-left: 240px;
    padding: 2rem;
    max-width: calc(100vw - 240px);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
}
.page-header h1 { font-size: 1.75rem; }
.subtitle { color: var(--text-secondary); margin-top: .25rem; }
.header-badges { display: flex; gap: .5rem; }

.badge {
    display: inline-block;
    padding: .25rem .75rem;
    border-radius: 9999px;
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
}
.badge-success { background: rgba(16,185,129,.15); color: var(--success); }
.badge-warning { background: rgba(245,158,11,.15); color: var(--warning); }
.badge-info { background: rgba(34,211,238,.15); color: var(--info); }
.badge-danger { background: rgba(239,68,68,.15); color: var(--danger); }

/* ── Cards ──────────────────────────────────────────────────────────── */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.card-stat { display: flex; align-items: center; gap: 1rem; }
.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
}
.card-body { display: flex; flex-direction: column; }
.card-label { font-size: .8125rem; color: var(--text-secondary); }
.card-value { font-size: 1.5rem; font-weight: 700; }

/* ── Sections ───────────────────────────────────────────────────────── */
.section { margin-bottom: 2.5rem; }
.section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: .5rem;
    border-bottom: 1px solid var(--border);
}

/* ── Tables ─────────────────────────────────────────────────────────── */
.table-container { overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
}
.data-table th, .data-table td {
    padding: .75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.data-table th {
    background: var(--bg-secondary);
    font-size: .8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
}
.data-table tbody tr:hover { background: var(--bg-hover); }
.services-cell .tag {
    display: inline-block;
    padding: .125rem .5rem;
    background: var(--bg-hover);
    border-radius: 4px;
    font-size: .75rem;
    color: var(--text-secondary);
}

/* ── Progress Bar ───────────────────────────────────────────────────── */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 3px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width .3s ease;
}

/* ── KPI Grid ───────────────────────────────────────────────────────── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}
.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.kpi-header { display: flex; justify-content: space-between; margin-bottom: .5rem; }
.kpi-name { font-weight: 600; font-size: .875rem; }
.kpi-period { font-size: .75rem; color: var(--text-muted); }
.kpi-values { margin-bottom: .75rem; }
.kpi-current { font-size: 1.5rem; font-weight: 700; }
.kpi-target { color: var(--text-muted); font-size: .875rem; }
.kpi-pct { display: block; text-align: right; font-size: .8125rem; color: var(--text-secondary); margin-top: .375rem; }

/* ── Content Grid ───────────────────────────────────────────────────── */
.content-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 1.5rem;
    align-items: start;
}
.chart-container { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; }

/* ── SEO Audit ──────────────────────────────────────────────────────── */
.seo-audit-card {
    display: flex;
    gap: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    align-items: flex-start;
}
.seo-score { text-align: center; flex-shrink: 0; }
.score-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 auto .5rem;
}
.score-good { background: rgba(16,185,129,.2); color: var(--success); border: 3px solid var(--success); }
.score-ok { background: rgba(245,158,11,.2); color: var(--warning); border: 3px solid var(--warning); }
.score-bad { background: rgba(239,68,68,.2); color: var(--danger); border: 3px solid var(--danger); }
.score-label { color: var(--text-muted); font-size: .875rem; }
.seo-details { flex: 1; }
.seo-details h3 { font-size: 1rem; color: var(--info); margin-bottom: 1rem; }
.seo-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.seo-columns h4 { font-size: .875rem; margin-bottom: .5rem; }
.issue-item, .rec-item { font-size: .875rem; padding: .25rem 0; color: var(--text-secondary); }
.issue-item::before { content: "⚠ "; }
.rec-item::before { content: "✓ "; }

.empty-state { color: var(--text-muted); text-align: center; padding: 2rem; }

/* ── Footer ─────────────────────────────────────────────────────────── */
.page-footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: .8125rem;
}

/* ── Responsive ─────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; max-width: 100%; }
    .content-grid { grid-template-columns: 1fr; }
    .seo-audit-card { flex-direction: column; }
    .seo-columns { grid-template-columns: 1fr; }
    .cards-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .cards-grid { grid-template-columns: 1fr; }
}