/**
 * Studio SmartnyDom - Main Stylesheet
 * 
 * Custom styles with glassmorphism design
 * Uses Tailwind CSS via CDN for utility classes
 * 
 * @package    StudioSmartnyDom
 */

/* ============================================
   CSS Variables (Theme Support)
   ============================================ */

:root {
    /* Light Theme (default) */
    --bg-primary: #f0f4f8;
    --bg-secondary: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --bg-glass-hover: rgba(255, 255, 255, 0.85);
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: rgba(255, 255, 255, 0.3);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Glassmorphism */
    --glass-blur: 16px;
    --glass-border: 1px solid rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] {
    /* Dark Theme */
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-glass: rgba(30, 41, 59, 0.7);
    --bg-glass-hover: rgba(30, 41, 59, 0.85);
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --accent-color: #60a5fa;
    --accent-hover: #3b82f6;
}

/* ============================================
   Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Background gradient */
.bg-gradient {
    background: linear-gradient(135deg, 
        var(--bg-primary) 0%, 
        color-mix(in srgb, var(--accent-color) 10%, var(--bg-primary)) 50%,
        var(--bg-primary) 100%
    );
    min-height: 100vh;
}

/* ============================================
   Glassmorphism Components
   ============================================ */

.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--shadow-color);
}

.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--shadow-color);
    padding: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px var(--shadow-color);
}

.glass-nav {
    background: var(--bg-glass);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: var(--glass-border);
    box-shadow: 0 4px 16px var(--shadow-color);
}

.glass-sidebar {
    background: var(--bg-glass);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-right: var(--glass-border);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-glass {
    background: var(--bg-glass);
    backdrop-filter: blur(8px);
    border: var(--glass-border);
    color: var(--text-primary);
}

.btn-glass:hover {
    background: var(--bg-glass-hover);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-glass);
}

/* ============================================
   Form Elements
   ============================================ */

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    background: var(--bg-glass);
    backdrop-filter: blur(8px);
    border: var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.25;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    color: var(--text-secondary);
    line-height: 1.6;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-hover);
}

/* ============================================
   Utility Classes
   ============================================ */

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent-color); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }

.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }

/* ============================================
   Animations
   ============================================ */

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.animate-slide-in {
    animation: slideIn 0.3s ease forwards;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    .glass-card {
        padding: 1rem;
        border-radius: 12px;
    }
    
    h1 { font-size: 1.875rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
}