/* ============================================
   Campaign Brain Tenant Manager - Style System
   Based on Campaign Brain Style Guide v1.0
   ============================================ */

/* ===========================================
   1. CSS Custom Properties (Design Tokens)
   =========================================== */
:root {
    /* Primary Brand Colors */
    --color-navy-primary: #1E3A5F;
    --color-navy-dark: #152942;
    --color-red-primary: #8B2332;
    --color-red-light: #A63446;

    /* Neutral Colors */
    --color-bg-page: #F8FAFC;
    --color-bg-card: #FFFFFF;
    --color-border: #E2E8F0;
    --color-border-hover: #CBD5E1;
    --color-text-primary: #334155;
    --color-text-secondary: #64748B;
    --color-text-muted: #94A3B8;

    /* Semantic Colors */
    --color-success: #059669;
    --color-success-bg: #ECFDF5;
    --color-success-border: #A7F3D0;
    --color-warning: #D97706;
    --color-warning-bg: #FFFBEB;
    --color-warning-border: #FDE68A;
    --color-error: #DC2626;
    --color-error-bg: #FEF2F2;
    --color-error-border: #FECACA;
    --color-info: #0284C7;
    --color-info-bg: #F0F9FF;
    --color-info-border: #BAE6FD;

    /* Typography */
    --font-display: 'Libre Baskerville', Georgia, serif;
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.07);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
}

/* ===========================================
   2. Base Styles
   =========================================== */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-primary);
    background-color: var(--color-bg-page);
    line-height: 1.5;
}

/* Typography - Headings */
h1, h2, .heading-display {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-navy-primary);
}

h1 {
    font-size: 2rem;
    line-height: 1.25;
}

h2 {
    font-size: 1.5rem;
    line-height: 1.3;
}

h3 {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* ===========================================
   3. Navigation
   =========================================== */

/* Top Navigation Bar */
.top-nav {
    background-color: var(--color-navy-primary);
    height: 60px;
    box-shadow: var(--shadow-md);
}

.top-nav a {
    color: rgba(255, 255, 255, 0.85);
    transition: color var(--transition-fast);
}

.top-nav a:hover {
    color: #FFFFFF;
}

/* Sidebar Navigation */
.sidebar {
    background-color: var(--color-bg-card);
    border-right: 1px solid var(--color-border);
    width: 240px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    margin-left: -3px;
}

.nav-link:hover {
    background-color: var(--color-bg-page);
    color: var(--color-navy-primary);
}

.nav-link.active {
    background-color: var(--color-bg-page);
    border-left-color: var(--color-navy-primary);
    color: var(--color-navy-primary);
    font-weight: 600;
}

.nav-link [data-lucide],
.nav-link i {
    width: 20px;
    height: 20px;
    margin-right: var(--space-3);
    flex-shrink: 0;
}

/* ===========================================
   4. Cards
   =========================================== */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--color-border-hover);
}

.card-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h2,
.card-header h3 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.card-body {
    padding: var(--space-6);
}

/* Stat Cards */
.stat-card {
    padding: var(--space-6);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-card .stat-icon [data-lucide] {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.stat-card .stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ===========================================
   5. Buttons
   =========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
}

.btn [data-lucide] {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

/* Primary Button - Navy */
.btn-primary {
    background-color: var(--color-navy-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-navy-dark);
}

/* Secondary Button */
.btn-secondary {
    background-color: var(--color-bg-card);
    color: var(--color-navy-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-bg-page);
    border-color: var(--color-border-hover);
}

/* Accent Button (CTA) - Brand Red */
.btn-accent,
.btn-cta {
    background-color: var(--color-red-primary);
    color: white;
}

.btn-accent:hover,
.btn-cta:hover {
    background-color: var(--color-red-light);
}

/* Success Button */
.btn-success {
    background-color: var(--color-success);
    color: white;
}

.btn-success:hover {
    background-color: #047857;
}

/* Danger Button */
.btn-danger {
    background-color: var(--color-error);
    color: white;
}

.btn-danger:hover {
    background-color: #B91C1C;
}

/* Ghost Button */
.btn-ghost {
    background-color: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    background-color: var(--color-bg-page);
    color: var(--color-text-primary);
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: 0.75rem;
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: 1rem;
}

/* ===========================================
   6. Status Badges
   =========================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    border: 1px solid transparent;
}

.badge-active,
.badge-success,
.badge-healthy {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border-color: var(--color-success-border);
}

.badge-pending,
.badge-warning {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
    border-color: var(--color-warning-border);
}

.badge-error,
.badge-stopped,
.badge-unhealthy {
    background-color: var(--color-error-bg);
    color: var(--color-error);
    border-color: var(--color-error-border);
}

.badge-deploying,
.badge-info {
    background-color: var(--color-info-bg);
    color: var(--color-info);
    border-color: var(--color-info-border);
}

.badge-default,
.badge-unknown {
    background-color: var(--color-bg-page);
    color: var(--color-text-secondary);
    border-color: var(--color-border);
}

/* ===========================================
   7. Tables
   =========================================== */
table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background-color: var(--color-bg-page);
    border-bottom: 1px solid var(--color-border);
}

th {
    text-align: left;
    padding: var(--space-3) var(--space-4);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
}

td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid #F1F5F9;
}

tbody tr {
    transition: background-color var(--transition-fast);
}

tbody tr:hover {
    background-color: var(--color-bg-page);
}

/* ===========================================
   8. Forms
   =========================================== */
.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--color-text-primary);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-navy-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

/* Input with icon on the left */
.form-input.has-icon {
    padding-left: 2.5rem;
}

/* ===========================================
   9. Alerts
   =========================================== */
.alert {
    padding: var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.alert-success {
    background-color: var(--color-success-bg);
    border-color: var(--color-success-border);
    color: var(--color-success);
}

.alert-error {
    background-color: var(--color-error-bg);
    border-color: var(--color-error-border);
    color: var(--color-error);
}

.alert-warning {
    background-color: var(--color-warning-bg);
    border-color: var(--color-warning-border);
    color: var(--color-warning);
}

.alert-info {
    background-color: var(--color-info-bg);
    border-color: var(--color-info-border);
    color: var(--color-info);
}

/* ===========================================
   10. Quick Action Cards
   =========================================== */
.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.quick-action:hover {
    border-color: var(--color-navy-primary);
    background-color: rgba(30, 58, 95, 0.03);
}

.quick-action:hover .quick-action-icon {
    color: var(--color-navy-primary);
}

.quick-action-icon {
    width: 48px;
    height: 48px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
    transition: color var(--transition-fast);
}

.quick-action-title {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

.quick-action-desc {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* ===========================================
   11. Modal
   =========================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 50;
}

.modal-backdrop.flex {
    display: flex;
}

.modal-backdrop.hidden {
    display: none !important;
}

.modal-content {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    max-width: 28rem;
    width: 100%;
    margin: var(--space-4);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* ===========================================
   12. Utilities
   =========================================== */

/* Colors */
.text-navy { color: var(--color-navy-primary); }
.text-red { color: var(--color-red-primary); }
.text-muted { color: var(--color-text-secondary); }
.bg-navy { background-color: var(--color-navy-primary); }
.bg-page { background-color: var(--color-bg-page); }

/* Status Colors (legacy support) */
.status-active { color: var(--color-success); }
.status-pending { color: var(--color-warning); }
.status-stopped { color: var(--color-error); }
.status-deploying { color: var(--color-info); }
.status-error { color: var(--color-error); }

/* Loading spinner */
.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Transitions */
.transition-all {
    transition: all var(--transition-normal);
}

/* ===========================================
   13. Header Logo
   =========================================== */
/* Make logo white on dark header background */
.logo-white {
    filter: brightness(0) invert(1);
}

/* ===========================================
   14. Responsive
   =========================================== */
/* Prevent horizontal overflow on mobile */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

.flex-1 {
    min-width: 0; /* Prevent flex children from overflowing */
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    h1 {
        font-size: 1.5rem;
    }

    /* Ensure cards don't overflow on mobile */
    .card {
        max-width: 100%;
        overflow-x: auto;
    }

    /* Responsive tables */
    table {
        display: block;
        overflow-x: auto;
    }
}

/* ===========================================
   14. Lucide Icon Adjustments
   =========================================== */
[data-lucide] {
    display: inline-block;
    vertical-align: middle;
}

/* Icon in buttons */
.btn [data-lucide] {
    stroke-width: 2.5;
}

/* Icon in navigation */
.nav-link [data-lucide] {
    stroke-width: 1.75;
}