/**
 * PulseMail Pro / E-Marketing Suite - Atelier Design System Compatibility & Component Styles
 * Perfectly integrates with G-Rating Atelier Tokens, Light/Dark Modes & Preset Schemes
 */

:root {
    --bg-base: var(--at-canvas, #0f172a);
    --bg-surface: var(--at-surface, #1e293b);
    --bg-surface-elevated: var(--at-surface-raised, #334155);
    --bg-surface-subtle: var(--at-surface-subtle, #141e2e);
    --bg-hover: var(--at-surface-hover, #2d3748);
    --border-color: var(--at-border, #334155);
    --border-subtle: var(--at-border-subtle, #232f3e);
    --text-primary: var(--at-text-strong, #f8fafc);
    --text-secondary: var(--at-text, #94a3b8);
    --text-muted: var(--at-text-muted, #64748b);
    --primary: var(--at-accent, #2563eb);
    --primary-hover: var(--at-accent-hover, #1d4ed8);
    --primary-wash: var(--at-accent-wash, rgba(37, 99, 235, 0.12));
    --success: var(--at-success, #10b981);
    --warning: var(--at-warning, #f59e0b);
    --danger: var(--at-danger, #ef4444);
    --info: var(--at-info, #06b6d4);
    --radius-sm: var(--at-radius-sm, 6px);
    --radius-md: var(--at-radius-md, 10px);
    --radius-lg: var(--at-radius-lg, 14px);
    --font-sans: var(--at-font-body, -apple-system, BlinkMacSystemFont, "Plus Jakarta Sans", "Segoe UI", Roboto, sans-serif);
    --font-heading: var(--at-font-display, var(--font-sans));
}

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

body {
    background-color: var(--at-canvas, var(--bg-base));
    color: var(--at-text, var(--text-secondary));
    font-family: var(--font-sans);
    font-size: 13.5px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* App Shell Layout */
.app-layout {
    display: flex;
    min-height: 100vh;
    background: var(--at-canvas);
}

.main-wrapper {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--at-canvas);
}

.content-body {
    flex: 1;
    padding: 24px;
}

/* Card Components */
.card {
    background: var(--at-surface, var(--bg-surface));
    border: 1px solid var(--at-border, var(--border-color));
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    transition: border-color 0.15s ease;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--at-border, var(--border-color));
    gap: 12px;
    flex-wrap: wrap;
}
.card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--at-text-strong, var(--text-primary));
    font-family: var(--font-heading);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}

/* Stats & KPI Cards (Matching Main G-Rating Dashboard) */
.stats-grid, .kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card, .kpi-card {
    background: var(--at-surface, var(--bg-surface));
    border: 1px solid var(--at-border, var(--border-color));
    border-radius: var(--radius-md);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.stat-content { flex: 1; min-width: 0; }
.stat-content h4, .kpi-title {
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--at-text-muted, var(--text-muted));
    margin-bottom: 4px;
}
.stat-number, .kpi-value {
    font-size: 22px;
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--at-text-strong, var(--text-primary));
    line-height: 1.2;
}
.stat-icon-wrapper, .kpi-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    background: var(--primary-wash);
    color: var(--primary);
}
.stat-icon-wrapper.green { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.stat-icon-wrapper.amber { background: rgba(245, 158, 11, 0.12); color: #f59e0b; }
.stat-icon-wrapper.purple { background: rgba(139, 92, 246, 0.12); color: #8b5cf6; }
.stat-icon-wrapper.blue { background: rgba(37, 99, 235, 0.12); color: #2563eb; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    border: 1px solid transparent;
    transition: all 0.15s ease;
    user-select: none;
    line-height: 1.4;
}
.btn-primary {
    background: var(--at-accent, #2563eb);
    color: #ffffff !important;
    border-color: var(--at-accent, #2563eb);
}
.btn-primary:hover {
    background: var(--at-accent-hover, #1d4ed8);
    border-color: var(--at-accent-hover, #1d4ed8);
}
.btn-secondary {
    background: var(--at-surface-subtle, var(--at-surface-raised, #e2e8f0));
    color: var(--at-text-strong, #0f172a) !important;
    border: 1px solid var(--at-border, #cbd5e1);
}
.btn-secondary:hover {
    background: var(--at-surface-hover, rgba(0,0,0,0.06));
    border-color: var(--at-border, #94a3b8);
}
.btn-success { background: #10b981; color: #fff !important; border-color: #10b981; }
.btn-success:hover { background: #059669; }
.btn-danger { background: #ef4444; color: #fff !important; border-color: #ef4444; }
.btn-danger:hover { background: #dc2626; }
.btn-warning { background: #f59e0b; color: #fff !important; border-color: #f59e0b; }
.btn-sm { padding: 5px 11px; font-size: 12px; }
.btn-lg { padding: 12px 22px; font-size: 15px; }

/* Forms */
.form-group { margin-bottom: 18px; }
.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    font-weight: 700;
    color: var(--at-text-strong, var(--text-primary));
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-control, .form-select {
    width: 100%;
    padding: 9px 13px;
    background: var(--at-surface-subtle, var(--at-canvas, #f8fafc));
    border: 1px solid var(--at-border, var(--border-color));
    border-radius: var(--radius-sm);
    color: var(--at-text-strong, var(--text-primary));
    font-size: 13.5px;
    outline: none;
    font-family: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-control:focus, .form-select:focus {
    border-color: var(--at-accent, #2563eb);
    box-shadow: 0 0 0 3px var(--at-accent-wash, rgba(37, 99, 235, 0.15));
}
textarea.form-control { resize: vertical; min-height: 90px; }
.form-hint {
    font-size: 11.5px;
    color: var(--at-text-muted, var(--text-muted));
    margin-top: 5px;
}

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 13px;
}
.table th {
    background: var(--at-surface-subtle, rgba(0, 0, 0, 0.02));
    padding: 11px 14px;
    color: var(--at-text-muted, var(--text-muted));
    font-weight: 700;
    border-bottom: 2px solid var(--at-border, var(--border-color));
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
}
.table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--at-border, var(--border-color));
    color: var(--at-text, var(--text-secondary));
    vertical-align: middle;
}
.table tr:hover td {
    background: var(--at-surface-hover, rgba(0, 0, 0, 0.02));
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.3;
}
.badge-primary { background: var(--at-accent-wash, rgba(37, 99, 235, 0.15)); color: var(--at-accent, #2563eb); }
.badge-success { background: rgba(16, 185, 129, 0.15); color: #059669; }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: #d97706; }
.badge-danger  { background: rgba(239, 68, 68, 0.15);  color: #dc2626; }
.badge-secondary { background: var(--at-surface-raised, #e2e8f0); color: var(--at-text-muted, #64748b); }

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 13px;
    font-weight: 500;
    border: 1px solid transparent;
}
.alert-success { background: rgba(16, 185, 129, 0.1); color: #059669; border-color: rgba(16, 185, 129, 0.25); }
.alert-danger  { background: rgba(239, 68, 68, 0.1);  color: #dc2626; border-color: rgba(239, 68, 68, 0.25); }
.alert-warning { background: rgba(245, 158, 11, 0.1); color: #d97706; border-color: rgba(245, 158, 11, 0.25); }
.alert-info    { background: rgba(6, 182, 212, 0.1);   color: #0891b2; border-color: rgba(6, 182, 212, 0.25); }

/* Mail Desk 3-Pane Styles */
.mail-desk-wrapper {
    display: grid;
    grid-template-columns: 220px 340px 1fr;
    height: calc(100vh - 120px);
    min-height: 560px;
    background: var(--at-surface, #ffffff);
    border: 1px solid var(--at-border, #e2e8f0);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}
@media (max-width: 1024px) {
    .mail-desk-wrapper { grid-template-columns: 180px 280px 1fr; }
}
.mail-nav-pane {
    background: var(--at-surface-subtle, var(--at-canvas));
    border-right: 1px solid var(--at-border);
    display: flex;
    flex-direction: column;
    padding: 14px 10px;
    overflow-y: auto;
}
.mail-folder-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    color: var(--at-text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    margin-bottom: 2px;
    transition: all 0.15s ease;
}
.mail-folder-link:hover {
    background: var(--at-surface);
    color: var(--at-text-strong);
}
.mail-folder-link.active {
    background: var(--at-accent, #2563eb);
    color: #ffffff !important;
    font-weight: 600;
}
.mail-list-pane {
    background: var(--at-surface);
    border-right: 1px solid var(--at-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.mail-list-header {
    padding: 12px 14px;
    border-bottom: 1px solid var(--at-border);
    background: var(--at-surface-subtle);
}
.mail-item {
    padding: 12px 14px;
    border-bottom: 1px solid var(--at-border);
    cursor: pointer;
    transition: all 0.12s ease;
    background: var(--at-surface);
}
.mail-item:hover { background: var(--at-surface-hover); }
.mail-item.active {
    background: var(--at-accent-wash, rgba(37, 99, 235, 0.1));
    border-left: 3px solid var(--at-accent, #2563eb);
}
.mail-item.unread { font-weight: 700; background: var(--at-surface-subtle); }
.mail-view-pane {
    background: var(--at-surface-subtle);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}
.mail-view-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--at-border);
    background: var(--at-surface);
}

/* Utilities */
.hide-mobile { display: inline-block; }
@media (max-width: 768px) {
    .hide-mobile { display: none !important; }
}