/* Youngsam Theme - Main Stylesheet */

/* Import Font System */
@import url('fonts.css');

/* CSS Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Root Variables - Dark Theme (Default) */
:root {
    /* Primary Colors */
    --primary: #00D4FF;
    --primary-hover: #00B8E6;
    --primary-light: rgba(0, 212, 255, 0.1);
    --primary-dark: #0099CC;
    
    --secondary: #FF6B35;
    --secondary-hover: #E5501F;
    --secondary-light: rgba(255, 107, 53, 0.1);
    --secondary-dark: #CC5529;
    
    /* Status Colors */
    --success: #00E676;
    --success-light: rgba(0, 230, 118, 0.1);
    --warning: #FFD54F;
    --warning-light: rgba(255, 213, 79, 0.1);
    --error: #FF5252;
    --error-light: rgba(255, 82, 82, 0.1);
    --info: #29B6F6;
    --info-light: rgba(41, 182, 246, 0.1);
    
    /* Background Colors */
    --bg-primary: #0A0E1A;
    --bg-secondary: #1A1D29;
    --bg-tertiary: #2D3748;
    --bg-hover: #374151;
    --bg-overlay: rgba(10, 14, 26, 0.8);
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #B0BEC5;
    --text-tertiary: #78909C;
    --text-accent: #00D4FF;
    --text-muted: #546E7A;
    
    /* Border Colors */
    --border-primary: #374151;
    --border-secondary: #4B5563;
    --border-accent: #00D4FF;
    --border-light: rgba(255, 255, 255, 0.1);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

/* Light Theme Variables */
[data-theme="light"] {
    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #E2E8F0;
    --bg-hover: #F1F5F9;
    --bg-overlay: rgba(255, 255, 255, 0.8);
    
    /* Text Colors */
    --text-primary: #1A202C;
    --text-secondary: #4A5568;
    --text-tertiary: #718096;
    --text-accent: #0099CC;
    --text-muted: #A0AEC0;
    
    /* Border Colors */
    --border-primary: #E2E8F0;
    --border-secondary: #CBD5E0;
    --border-accent: #00D4FF;
    --border-light: rgba(0, 0, 0, 0.05);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.2);
}

/* Base Styles */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    position: relative;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Links */
a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

/* Paragraphs */
p {
    margin-bottom: var(--space-md);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
}

/* Lists */
ul, ol {
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
}

li {
    margin-bottom: var(--space-xs);
}

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-lg);
}

th, td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border-primary);
}

th {
    background-color: var(--bg-secondary);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

/* Forms */
input, textarea, select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: inherit;
    transition: all var(--transition-fast);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Buttons */
button, .btn {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--text-base);
    font-weight: var(--font-weight-medium);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--secondary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container-full {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
}

.container-inner {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

@media (min-width: 768px) {
    .container,
    .container-inner {
        padding: 0 var(--space-lg);
    }
}

@media (min-width: 1600px) {
    .container,
    .container-inner {
        padding: 0 var(--space-xl);
    }
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }

@media (max-width: 768px) {
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4,
    .grid-cols-5 {
        grid-template-columns: repeat(1, 1fr);
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .grid-cols-3,
    .grid-cols-4,
    .grid-cols-5 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) and (max-width: 1400px) {
    .grid-cols-4,
    .grid-cols-5 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Card Component */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.p-1 { padding: var(--space-sm); }
.p-2 { padding: var(--space-md); }
.p-3 { padding: var(--space-lg); }
.p-4 { padding: var(--space-xl); }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }

.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-fadeIn { animation: fadeIn var(--transition-base); }
.animate-slideInUp { animation: slideInUp var(--transition-base); }
.animate-pulse { animation: pulse 2s infinite; }

/* Loading States */
.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Selection */
::selection {
    background-color: var(--primary);
    color: var(--bg-primary);
}

/* Focus Visible */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    body {
        background-color: white;
        color: black;
    }
}