/* 
 * Minecraft War Riders - Shared Design System
 * Production-grade CSS framework with modern design patterns
 */

:root {
    /* Modern Color Palette */
    --primary-900: #0f172a;
    --primary-800: #1e293b;
    --primary-700: #334155;
    --primary-600: #475569;
    --primary-500: #64748b;
    --primary-400: #94a3b8;
    --primary-300: #cbd5e1;
    --primary-200: #e2e8f0;
    --primary-100: #f1f5f9;
    --primary-50: #f8fafc;
    
    --accent-500: #3b82f6;
    --accent-600: #2563eb;
    --accent-700: #1d4ed8;
    --accent-400: #60a5fa;
    --accent-300: #93c5fd;
    
    --success-500: #10b981;
    --success-400: #34d399;
    --success-300: #6ee7b7;
    
    --warning-500: #f59e0b;
    --warning-400: #fbbf24;
    --warning-300: #fcd34d;
    
    --error-500: #ef4444;
    --error-400: #f87171;
    --error-300: #fca5a5;
    
    /* Glass Morphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-hover: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-hover: rgba(255, 255, 255, 0.15);
    
    /* Dark Glass Morphism */
    --dark-glass-bg: rgba(0, 0, 0, 0.3);
    --dark-glass-border: rgba(255, 255, 255, 0.08);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
    --text-3xl: clamp(1.875rem, 1.6rem + 1.375vw, 2.5rem);
    --text-4xl: clamp(2.25rem, 1.9rem + 1.75vw, 3rem);
    --text-5xl: clamp(3rem, 2.5rem + 2.5vw, 4rem);
    --text-6xl: clamp(3.75rem, 3rem + 3.75vw, 6rem);
    
    /* Spacing System */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Layout */
    --section-padding: clamp(4rem, 8vw, 8rem);
    --container-padding: clamp(1rem, 5vw, 2rem);
    --max-width-sm: 640px;
    --max-width-md: 768px;
    --max-width-lg: 1024px;
    --max-width-xl: 1280px;
    --max-width-2xl: 1536px;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    
    /* 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), 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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* Reset and Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--primary-100);
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3), transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3), transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2), transparent 50%),
        linear-gradient(135deg, var(--primary-900) 0%, #0c0c0c 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-100);
    margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-5xl); font-weight: 800; }
h2 { font-size: var(--text-4xl); font-weight: 700; }
h3 { font-size: var(--text-3xl); font-weight: 600; }
h4 { font-size: var(--text-2xl); font-weight: 600; }
h5 { font-size: var(--text-xl); font-weight: 500; }
h6 { font-size: var(--text-lg); font-weight: 500; }

p {
    margin-bottom: var(--space-4);
    color: var(--primary-400);
}

a {
    color: var(--accent-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-300);
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--glass-bg);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
}

/* Glass Morphism Components */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
}

.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}

.dark-glass {
    background: var(--dark-glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--dark-glass-border);
}

/* Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-weight: 600;
    font-size: var(--text-sm);
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    user-select: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-600) 0%, var(--accent-700) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -8px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--primary-100);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--glass-bg-hover);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-500) 0%, var(--success-400) 100%);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-500) 0%, var(--warning-400) 100%);
    color: white;
}

.btn-error {
    background: linear-gradient(135deg, var(--error-500) 0%, var(--error-400) 100%);
    color: white;
}

.btn-ghost {
    background: transparent;
    color: var(--primary-300);
    border: 1px solid transparent;
}

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

/* Form Elements */
.input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--primary-100);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    backdrop-filter: blur(10px);
    transition: all var(--transition-fast);
}

.input::placeholder {
    color: var(--primary-500);
}

.input:focus {
    outline: none;
    border-color: var(--accent-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
}

.input-lg {
    padding: var(--space-4) var(--space-5);
    font-size: var(--text-lg);
}

/* Cards and Containers */
.container {
    max-width: var(--max-width-xl);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-sm { max-width: var(--max-width-sm); }
.container-md { max-width: var(--max-width-md); }
.container-lg { max-width: var(--max-width-lg); }
.container-xl { max-width: var(--max-width-xl); }
.container-2xl { max-width: var(--max-width-2xl); }

.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    backdrop-filter: blur(15px);
    transition: all var(--transition-base);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Navigation Components */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: var(--space-4) var(--container-padding);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    max-width: var(--max-width-xl);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--primary-100);
    text-decoration: none;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
}

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

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }

.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.m-4 { margin: var(--space-4); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }

/* Animation Utilities */
.animate-fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

.animate-slide-up {
    animation: slideUp var(--transition-slow) ease-out;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Loading States */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-top: 2px solid var(--accent-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: var(--z-toast);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    max-width: 400px;
    animation: slideInRight var(--transition-base) ease-out;
}

.toast-success { border-color: var(--success-500); }
.toast-warning { border-color: var(--warning-500); }
.toast-error { border-color: var(--error-500); }

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --section-padding: 2rem;
    }
    
    .grid-cols-2 { grid-template-columns: 1fr; }
    .grid-cols-3 { grid-template-columns: 1fr; }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes float {
    0% { transform: translateY(100vh) rotate(0deg); }
    100% { transform: translateY(-100vh) rotate(360deg); }
}

/* Print Styles */
@media print {
    * {
        background: transparent !important;
        color: black !important;
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    .navbar, .footer {
        display: none;
    }
}

/* Mobile Navigation Extensions */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--space-2);
    z-index: 1001;
    background: none;
    border: none;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-300);
    margin: 3px 0;
    transition: all var(--transition-fast);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Enhanced navbar styles for mobile */
.nav-brand {
    display: flex;
    align-items: center;
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--primary-100);
    text-decoration: none;
    z-index: 1001;
}

.nav-logo {
    width: 32px;
    height: 32px;
    margin-right: var(--space-3);
    border-radius: var(--radius-md);
}

.nav-title {
    background: linear-gradient(135deg, var(--primary-100) 0%, var(--accent-500) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-8);
}

.nav-links a {
    color: var(--primary-300);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
    padding: var(--space-2) 0;
}

.nav-links a:hover {
    color: var(--primary-100);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-500), var(--accent-400));
    transition: width var(--transition-fast);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Mobile responsive breakpoints */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--glass-border);
        flex-direction: column;
        gap: 0;
        padding: var(--space-6);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        z-index: 1000;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        display: block;
        padding: var(--space-3) 0;
        text-align: center;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-links a:last-child {
        border-bottom: none;
    }
    
    .nav-links a::after {
        display: none;
    }
    
    /* Mobile container adjustments */
    body {
        padding-top: 70px;
    }
    
    .container {
        padding: 0 var(--space-4);
    }
    
    .plugin-header {
        padding: var(--space-8) var(--space-4) !important;
    }
    
    .content-section {
        padding: var(--space-4) !important;
        margin-bottom: var(--space-4) !important;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }
    
    .nav-container {
        padding: 0 var(--space-3);
    }
    
    .plugin-header {
        padding: var(--space-6) var(--space-3) !important;
    }
    
    .content-section {
        padding: var(--space-3) !important;
    }
}