/* ========================================
   THEME COLOR SYSTEM
   ======================================== */

/* Light Theme Colors */
[data-theme="light"] {
    /* Text Colors */
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-muted: #6b7280;
    --text-inverse: #ffffff;
    
    /* Background Colors */
    --surface-primary: #ffffff;
    --surface-secondary: #f8fafc;
    --surface-tertiary: #f1f5f9;
    --surface-muted: #e2e8f0;
    
    /* Border Colors */
    --border-primary: #e2e8f0;
    --border-secondary: #cbd5e1;
    --border-muted: #f1f5f9;
    
    /* Brand Colors */
    --brand-primary: #3b82f6;
    --brand-primary-hover: #2563eb;
    --brand-primary-light: #dbeafe;
    --brand-secondary: #8b5cf6;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    
    /* Shadow Colors */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Dark Theme Colors */
[data-theme="dark"] {
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --text-inverse: #1a1a1a;
    
    /* Background Colors */
    --surface-primary: #0f172a;
    --surface-secondary: #1e293b;
    --surface-tertiary: #334155;
    --surface-muted: #475569;
    
    /* Border Colors */
    --border-primary: #334155;
    --border-secondary: #475569;
    --border-muted: #1e293b;
    
    /* Brand Colors */
    --brand-primary: #3b82f6;
    --brand-primary-hover: #60a5fa;
    --brand-primary-light: #1e3a8a;
    --brand-secondary: #8b5cf6;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    
    /* Shadow Colors */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* System Theme (follows OS preference) */
[data-theme="system"] {
    /* Will inherit from light or dark based on OS preference */
}

/* ========================================
   GLOBAL TEXT COLOR APPLICATIONS
   ======================================== */

/* Apply theme colors to all text elements */
body {
    color: var(--text-primary);
    background-color: var(--surface-primary);
}

/* Headings */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    color: var(--text-primary);
}

/* Paragraphs and text */
p, .lead, .text-muted {
    color: var(--text-secondary);
}

.text-muted {
    color: var(--text-muted) !important;
}

/* Links */
a {
    color: var(--brand-primary);
}

a:hover {
    color: var(--brand-primary-hover);
}

/* Form elements */
.form-label {
    color: var(--text-primary);
}

.form-control {
    color: var(--text-primary);
    background-color: var(--surface-secondary);
    border-color: var(--border-primary);
}

.form-control:focus {
    color: var(--text-primary);
    background-color: var(--surface-primary);
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

.form-select {
    color: var(--text-primary);
    background-color: var(--surface-secondary);
    border-color: var(--border-primary);
}

.form-select:focus {
    color: var(--text-primary);
    background-color: var(--surface-primary);
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

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

/* Cards */
.card {
    background-color: var(--surface-primary);
    border-color: var(--border-primary);
    color: var(--text-primary);
}

.card-header {
    background-color: var(--surface-secondary);
    border-bottom-color: var(--border-primary);
    color: var(--text-primary);
}

.card-body {
    background-color: var(--surface-primary);
    color: var(--text-primary);
}

.card-footer {
    background-color: var(--surface-secondary);
    border-top-color: var(--border-primary);
    color: var(--text-primary);
}

/* Buttons */
.btn {
    color: var(--text-inverse);
}

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

.btn-outline-primary:hover {
    color: var(--text-inverse);
    background-color: var(--brand-primary);
    border-color: var(--brand-primary);
}

.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border-secondary);
}

.btn-outline-secondary:hover {
    color: var(--text-inverse);
    background-color: var(--text-secondary);
    border-color: var(--text-secondary);
}

/* List groups */
.list-group-item {
    background-color: var(--surface-primary);
    border-color: var(--border-primary);
    color: var(--text-primary);
}

.list-group-item:hover {
    background-color: var(--surface-secondary);
}

/* Description lists */
dt {
    color: var(--text-primary);
    font-weight: 600;
}

dd {
    color: var(--text-secondary);
}

/* Badges */
.badge {
    color: var(--text-inverse);
}

/* Breadcrumbs */
.breadcrumb {
    background-color: var(--surface-secondary);
}

.breadcrumb-item a {
    color: var(--brand-primary);
}

.breadcrumb-item.active {
    color: var(--text-muted);
}

/* ========================================
   THEME TRANSITION IMPROVEMENTS
   ======================================== */

/* Smooth transitions for theme changes */
* {
    transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Disable transitions during theme switching */
.theme-switching * {
    transition: none !important;
}

/* ========================================
   SPECIFIC PAGE STYLES
   ======================================== */

/* Profile page specific styles */
.profile-page .card {
    background-color: var(--surface-primary);
    border-color: var(--border-primary);
    box-shadow: var(--shadow-md);
}

.profile-page .card-header {
    background-color: var(--surface-secondary);
    border-bottom-color: var(--border-primary);
}

.profile-page .card-body {
    background-color: var(--surface-primary);
}

/* VPS create page specific styles */
.vps-create-page .form-control {
    background-color: var(--surface-secondary);
    border-color: var(--border-primary);
    color: var(--text-primary);
}

.vps-create-page .form-control:focus {
    background-color: var(--surface-primary);
    border-color: var(--brand-primary);
    color: var(--text-primary);
}

.vps-create-page .form-select {
    background-color: var(--surface-secondary);
    border-color: var(--border-primary);
    color: var(--text-primary);
}

.vps-create-page .form-select:focus {
    background-color: var(--surface-primary);
    border-color: var(--brand-primary);
    color: var(--text-primary);
}

/* ========================================
   RESPONSIVE ADJUSTMENTS
   ======================================== */

@media (max-width: 768px) {
    .card {
        margin-bottom: 1rem;
    }
    
    .card-header {
        padding: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .card-header h5 {
        font-size: 1.1rem;
    }
    
    .form-control,
    .form-select {
        font-size: 16px; /* Prevent zoom on iOS */
    }
}