/* ═══════════════════════════════════════════════════════════════
   360Clarity v2 — Stylesheet
   ═══════════════════════════════════════════════════════════════ */

:root {
    --primary: #667EEA;
    --primary-dark: #4A5BC7;
    --secondary: #764BA2;
    --text: #333333;
    --text-light: #666666;
    --muted: #999999;
    --bg: #F5F6FA;
    --bg-light: #F8F9FA;
    --white: #FFFFFF;
    --border: #E0E0E0;
    --green: #2ECC71;
    --red: #E74C3C;
    --orange: #F39C12;
    --radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Nav ─────────────────────────────────────────────────────── */
.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand a {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
}

.nav-links a:hover { color: var(--primary); }

.nav-user {
    color: var(--muted);
    font-size: 13px;
    padding-left: 12px;
    border-left: 1px solid var(--border);
}

/* ── Layout ──────────────────────────────────────────────────── */
.main-content {
    flex: 1;
    padding: 32px 24px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

.container-sm { max-width: 700px; margin: 0 auto; }
.container-xs { max-width: 420px; margin: 0 auto; }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 24px;
    color: var(--text);
}

/* ── Cards ───────────────────────────────────────────────────── */
.card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.card h2 {
    font-size: 18px;
    margin-bottom: 16px;
    color: var(--text);
}

.card h3 {
    font-size: 15px;
    margin-bottom: 12px;
    color: var(--text);
}

/* ── Stats ───────────────────────────────────────────────────── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 13px;
    color: var(--muted);
    margin-top: 4px;
}

/* ── Forms ───────────────────────────────────────────────────── */
.form-group {
    margin-bottom: 16px;
    flex: 1;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 6px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text);
    background: var(--white);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

.form-row {
    display: flex;
    gap: 16px;
}

.required { color: var(--red); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border-color: var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-full { width: 100%; margin-top: 16px; }

/* ── Tables ──────────────────────────────────────────────────── */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.table th {
    text-align: left;
    padding: 12px 14px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--muted);
    border-bottom: 2px solid var(--border);
}

.table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--bg-light);
}

.table tbody tr:hover { background: var(--bg-light); }

/* ── Upload Zone ─────────────────────────────────────────────── */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 40px 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-light);
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

.upload-zone.has-file {
    border-color: var(--green);
    background: rgba(46, 204, 113, 0.05);
}

.upload-zone input[type="file"] { display: none; }

.upload-icon { font-size: 40px; margin-bottom: 8px; }
.upload-text { font-size: 16px; font-weight: 600; color: var(--text); }
.upload-subtext { font-size: 13px; color: var(--muted); margin-top: 4px; }

.file-name {
    text-align: center;
    padding: 8px;
    font-size: 14px;
    color: var(--green);
    font-weight: 600;
    min-height: 32px;
}

/* ── Login ───────────────────────────────────────────────────── */
.login-box {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin-top: 80px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header h1 {
    font-size: 28px;
    color: var(--primary);
}

.login-header p {
    color: var(--muted);
    font-size: 14px;
    margin-top: 4px;
}

/* ── Flash Messages ──────────────────────────────────────────── */
.flash-container {
    max-width: 1100px;
    margin: 16px auto 0;
    padding: 0 24px;
}

.flash {
    padding: 12px 20px;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 8px;
}

.flash-success { background: #D4EDDA; color: #155724; border: 1px solid #C3E6CB; }
.flash-error { background: #F8D7DA; color: #721C24; border: 1px solid #F5C6CB; }
.flash-warning { background: #FFF3CD; color: #856404; border: 1px solid #FFEEBA; }
.flash-info { background: #D1ECF1; color: #0C5460; border: 1px solid #BEE5EB; }

/* ── Misc ────────────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--muted);
}

.badge {
    background: var(--primary);
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    vertical-align: middle;
}

.status-active { color: var(--green); font-weight: 600; }
.status-inactive { color: var(--red); font-weight: 600; }

.text-green { color: var(--green); font-weight: 600; }
.text-red { color: var(--red); font-weight: 600; }

.credit-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.credit-badge.credit-empty {
    background: var(--red);
}

.help-section {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.help-section h3 { color: var(--text-light); font-size: 14px; margin-bottom: 8px; }
.help-section p { font-size: 13px; color: var(--muted); line-height: 1.5; }

.footer {
    text-align: center;
    padding: 20px;
    color: var(--muted);
    font-size: 12px;
    border-top: 1px solid var(--border);
    margin-top: auto;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 768px) {
    .form-row { flex-direction: column; gap: 0; }
    .nav-links { gap: 12px; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .page-header { flex-direction: column; gap: 12px; align-items: flex-start; }
}