/* ============================================================
   Trimline Client Portal - Shared Dashboard Layout
   Dark sidebar + modern content area
   ============================================================ */

:root {
    --ds-sidebar-w: 260px;
    --ds-sidebar-bg: #0c1a32;
    --ds-accent: #3b82f6;
    --ds-accent-light: #60a5fa;
    --ds-accent-dark: #2563eb;
    --ds-green: #10b981;
    --ds-amber: #f59e0b;
    --ds-red: #ef4444;
    --ds-purple: #8b5cf6;
    --ds-card-bg: #ffffff;
    --ds-border: #e5e7eb;
    --ds-border-light: #f3f4f6;
    --ds-text: #111827;
    --ds-text-muted: #6b7280;
    --ds-surface: #f9fafb;
    --ds-surface-alt: #f1f5f9;
    --ds-radius: 14px;
    --ds-radius-sm: 10px;
    --ds-transition: all 0.2s ease;
}

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

body.ds-layout {
    font-family: 'Manrope', 'Inter', sans-serif;
    background: #f1f5f9;
    color: var(--ds-text);
    display: flex;
    min-height: 100vh;
}

/* ── Toast Notification ─────────────────────────────── */
.ds-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    color: #fff;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    transform: translateY(120%);
    opacity: 0;
    transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
    pointer-events: none;
}
.ds-toast.show {
    transform: translateY(0);
    opacity: 1;
}
.ds-toast.success { background: var(--ds-green); }
.ds-toast.error   { background: var(--ds-red); }
.ds-toast.warning { background: var(--ds-amber); color: #111827; }
.ds-toast-icon { font-size: 1.2rem; }
}

/* ── Sidebar ────────────────────────────────────────── */
.ds-sidebar {
    width: var(--ds-sidebar-w);
    background: linear-gradient(180deg, #091429 0%, #0d1f3c 30%, #0c1a32 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.ds-sidebar-brand {
    padding: 1.5rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ds-sidebar-brand-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(59,130,246,0.35);
}

.ds-sidebar-brand-text h2 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}

.ds-sidebar-brand-text span {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.55);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.ds-sidebar-user {
    padding: 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ds-avatar {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: 0 3px 10px rgba(99,102,241,0.3);
}

.ds-user-info .ds-user-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: #fff;
}

.ds-user-info .ds-user-role {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.55);
}

.ds-credits-box {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    background: rgba(245,158,11,0.06);
}

.ds-credits-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(245,158,11,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    color: #fbbf24;
    flex-shrink: 0;
}

.ds-credits-info {
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
}

.ds-credits-value {
    font-weight: 700;
    font-size: 1.1rem;
    color: #fbbf24;
}

.ds-credits-label {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.5);
}

.ds-nav {
    flex: 1;
    padding: 0.75rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.ds-nav-section {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.5);
    padding: 0.6rem 0.65rem 0.35rem;
    font-weight: 700;
}

.ds-nav-item {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.65rem 0.75rem;
    border-radius: 10px;
    color: #fff;
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: var(--ds-transition);
}

.ds-nav-item i {
    width: 20px;
    text-align: center;
    color: rgba(255,255,255,0.6);
    transition: var(--ds-transition);
}

.ds-nav-item:hover {
    background: rgba(255,255,255,0.12);
    color: #fff;
}

.ds-nav-item:hover i {
    color: #fff;
}

.ds-nav-item.active {
    background: rgba(59,130,246,0.3);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(59,130,246,0.25), inset 0 0 0 1px rgba(59,130,246,0.4);
}

.ds-nav-item.active i {
    color: #60a5fa;
}

.ds-sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.ds-logout-btn {
    width: 100%;
    padding: 0.6rem;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.15);
    background: transparent;
    color: rgba(255,255,255,0.6);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--ds-transition);
}

.ds-logout-btn:hover {
    background: rgba(239,68,68,0.2);
    border-color: rgba(239,68,68,0.4);
    color: #fca5a5;
}

/* ── Main Content Area ───────────────────────────────── */
.ds-main {
    margin-left: var(--ds-sidebar-w);
    flex: 1;
    padding: 1.5rem 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    min-height: 100vh;
}

/* ── Top Bar ─────────────────────────────────────────── */
.ds-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.ds-topbar h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--ds-text);
    line-height: 1.2;
    margin: 0;
}

.ds-topbar .ds-topbar-sub {
    font-size: 0.85rem;
    color: var(--ds-text-muted);
    margin: 0.15rem 0 0;
}

.ds-topbar-actions {
    display: flex;
    gap: 0.6rem;
    align-items: center;
}

/* ── Buttons ─────────────────────────────────────────── */
.ds-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 1rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.84rem;
    cursor: pointer;
    text-decoration: none;
    border: none;
    font-family: inherit;
    transition: var(--ds-transition);
    white-space: nowrap;
}

.ds-btn-primary {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    box-shadow: 0 2px 10px rgba(37,99,235,0.3);
}

.ds-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(37,99,235,0.4); }

.ds-btn-outline {
    border: 1px solid var(--ds-border);
    background: #fff;
    color: var(--ds-text);
}

.ds-btn-outline:hover { background: var(--ds-surface); }

.ds-btn-sm {
    padding: 0.4rem 0.75rem;
    font-size: 0.78rem;
}

.ds-btn-danger {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.ds-btn-danger:hover { background: #fee2e2; }

/* ── Panels / Cards ──────────────────────────────────── */
.ds-panel {
    background: var(--ds-card-bg);
    border-radius: var(--ds-radius);
    border: 1px solid var(--ds-border);
    overflow: hidden;
}

.ds-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.15rem;
    border-bottom: 1px solid var(--ds-border);
    gap: 0.75rem;
    flex-wrap: wrap;
}

.ds-panel-header h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--ds-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ds-panel-header h3 i { color: var(--ds-accent); }

.ds-panel-body { padding: 1rem 1.15rem; }

.ds-panel-body.no-padding { padding: 0; }

/* ── Metrics Row ─────────────────────────────────────── */
.ds-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.85rem;
}

.ds-metric-card {
    background: var(--ds-card-bg);
    border-radius: var(--ds-radius);
    padding: 1.1rem 1.15rem;
    border: 1px solid var(--ds-border);
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    transition: var(--ds-transition);
}

.ds-metric-card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transform: translateY(-2px);
}

.ds-metric-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.ds-metric-icon.blue   { background: #eff6ff; color: #3b82f6; }
.ds-metric-icon.green  { background: #ecfdf5; color: #10b981; }
.ds-metric-icon.purple { background: #f5f3ff; color: #8b5cf6; }
.ds-metric-icon.amber  { background: #fffbeb; color: #f59e0b; }
.ds-metric-icon.red    { background: #fef2f2; color: #ef4444; }

.ds-metric-info { flex: 1; min-width: 0; }

.ds-metric-label {
    font-size: 0.76rem;
    color: var(--ds-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.ds-metric-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--ds-text);
    line-height: 1.2;
    margin-top: 0.15rem;
}

.ds-metric-sub {
    font-size: 0.73rem;
    color: var(--ds-text-muted);
    margin-top: 0.15rem;
}

/* ── Tables ──────────────────────────────────────────── */
.ds-table-wrap {
    max-height: 400px;
    overflow: auto;
    border-radius: 0 0 var(--ds-radius) var(--ds-radius);
}

.ds-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.84rem;
}

.ds-table th {
    position: sticky;
    top: 0;
    background: #f8fafc;
    z-index: 1;
    padding: 0.7rem 0.9rem;
    text-align: left;
    font-weight: 700;
    font-size: 0.74rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--ds-text-muted);
    border-bottom: 1px solid var(--ds-border);
}

.ds-table td {
    padding: 0.65rem 0.9rem;
    border-bottom: 1px solid var(--ds-border-light);
    color: var(--ds-text);
}

.ds-table tbody tr:hover { background: #f8fafc; }

/* ── Chips / Badges ──────────────────────────────────── */
.ds-chip {
    display: inline-block;
    padding: 0.18rem 0.55rem;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.ds-chip.sent    { background: #ecfdf5; color: #065f46; }
.ds-chip.queued  { background: #fffbeb; color: #92400e; }
.ds-chip.failed  { background: #fef2f2; color: #991b1b; }
.ds-chip.mixed   { background: #eff6ff; color: #1e40af; }
.ds-chip.scheduled { background: #f5f3ff; color: #5b21b6; }
.ds-chip.cancelled { background: #f3f4f6; color: #374151; }

/* ── Status Messages ─────────────────────────────────── */
.ds-status-msg {
    display: none;
    padding: 0.75rem 1rem;
    border-radius: var(--ds-radius-sm);
    font-size: 0.84rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.ds-status-msg.error {
    display: block;
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.ds-status-msg.success {
    display: block;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: #065f46;
}

.ds-status-msg.info {
    display: block;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1e40af;
}

/* ── Form Controls ───────────────────────────────────── */
.ds-input, .ds-select, .ds-textarea {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--ds-border);
    border-radius: var(--ds-radius-sm);
    font-size: 0.86rem;
    font-family: inherit;
    background: #fff;
    color: var(--ds-text);
    transition: var(--ds-transition);
}

.ds-input:focus, .ds-select:focus, .ds-textarea:focus {
    outline: none;
    border-color: var(--ds-accent);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.ds-textarea { min-height: 100px; resize: vertical; }

.ds-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.25rem;
}

.ds-label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
    font-size: 0.84rem;
    color: var(--ds-text);
}

.ds-form-group { margin-bottom: 1rem; }

.ds-hint {
    font-size: 0.76rem;
    color: var(--ds-text-muted);
    margin-top: 0.3rem;
}

/* ── Tabs ────────────────────────────────────────────── */
.ds-tabs {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.ds-tab {
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--ds-border);
    background: #fff;
    color: var(--ds-text-muted);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ds-transition);
}

.ds-tab:hover { background: var(--ds-surface); }

.ds-tab.active {
    background: var(--ds-accent);
    border-color: var(--ds-accent);
    color: #fff;
}

/* ── Stats Box ───────────────────────────────────────── */
.ds-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.ds-stat-box {
    background: var(--ds-surface);
    border-radius: var(--ds-radius-sm);
    padding: 0.75rem;
    text-align: center;
    border: 1px solid var(--ds-border);
}

.ds-stat-box .ds-stat-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--ds-accent-dark);
}

.ds-stat-box .ds-stat-label {
    font-size: 0.7rem;
    color: var(--ds-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ── Empty State ─────────────────────────────────────── */
.ds-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--ds-text-muted);
}

.ds-empty-state i {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.75rem;
    opacity: 0.4;
}

/* ── Content Grid ────────────────────────────────────── */
.ds-content-grid {
    display: grid;
    gap: 0.85rem;
}

.ds-content-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.ds-content-grid.cols-1-2 { grid-template-columns: 1fr 340px; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 1200px) {
    .ds-content-grid.cols-1-2 { grid-template-columns: 1fr; }
    .ds-content-grid.cols-2 { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    .ds-metrics { grid-template-columns: repeat(2, 1fr); }
    :root { --ds-sidebar-w: 220px; }
}

@media (max-width: 700px) {
    .ds-sidebar { display: none; }
    .ds-main { margin-left: 0; padding: 1rem; }
    :root { --ds-sidebar-w: 0px; }
    .ds-metrics { grid-template-columns: 1fr 1fr; }
    .ds-topbar { flex-direction: column; align-items: flex-start; }
    .ds-stats-row { grid-template-columns: 1fr; }
}