/* 
ServeBeer IPFS CDN - Main Stylesheet
NFTomczain Guerrilla Infrastructure
"From algorithm to program" - 0x660C
*/

/* CSS Custom Properties (Variables) */
:root {
    /* Main Color Palette */
    --primary-color: #4ECDC4;
    --primary-hover: #45B7B8;
    --secondary-color: #2C3E50;
    --secondary-light: #34495E;
    
    /* Accent Colors */
    --accent-success: #27AE60;
    --accent-warning: #F39C12;
    --accent-error: #E74C3C;
    --accent-info: #3498DB;
    
    /* Text Colors */
    --text-primary: #ECF0F1;
    --text-secondary: #BDC3C7;
    --text-muted: #95A5A6;
    --text-dark: #2C3E50;
    
    /* Background Colors */
    --bg-primary: linear-gradient(135deg, #2C3E50 0%, #34495E 100%);
    --bg-secondary: #34495E;
    --bg-card: rgba(52, 73, 94, 0.8);
    --bg-overlay: rgba(0, 0, 0, 0.8);
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.2);
    --shadow-xl: 0 16px 32px rgba(0,0,0,0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Typography */
    --font-family-base: 'Arial', 'Helvetica', sans-serif;
    --font-family-mono: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    
    /* Z-index layers */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-tooltip: 1070;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family-base);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

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

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

/* Container and Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-sm {
    max-width: 600px;
}

.container-lg {
    max-width: 1400px;
}

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

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

.bg-primary { background: var(--primary-color); }
.bg-secondary { background: var(--secondary-color); }
.bg-success { background: var(--accent-success); }
.bg-warning { background: var(--accent-warning); }
.bg-error { background: var(--accent-error); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.align-center { align-items: center; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.m-0 { margin: 0; }
.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }

/* Button Styles */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    line-height: 1.5;
    user-select: none;
    vertical-align: middle;
}

.btn:focus {
    outline: 0;
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.25);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Button Variants */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-success {
    background: linear-gradient(135deg, var(--accent-success) 0%, #2ECC71 100%);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--accent-warning) 0%, #E67E22 100%);
    color: white;
}

.btn-error {
    background: linear-gradient(135deg, var(--accent-error) 0%, #C0392B 100%);
    color: white;
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

.btn-xl {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.25rem;
    border-radius: var(--radius-xl);
}

/* Card Components */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.card-title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.card-body {
    color: var(--text-secondary);
}

.card-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--text-muted);
    border-radius: var(--radius-md);
    background: var(--secondary-color);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: 0;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.25);
}

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

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* Form Validation States */
.form-input.valid,
.form-textarea.valid {
    border-color: var(--accent-success);
}

.form-input.invalid,
.form-textarea.invalid {
    border-color: var(--accent-error);
}

.form-feedback {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--accent-error);
}

.form-feedback.valid {
    color: var(--accent-success);
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -var(--spacing-md);
}

.col {
    flex: 1;
    padding: 0 var(--spacing-md);
}

.col-1 { flex: 0 0 8.333%; }
.col-2 { flex: 0 0 16.667%; }
.col-3 { flex: 0 0 25%; }
.col-4 { flex: 0 0 33.333%; }
.col-6 { flex: 0 0 50%; }
.col-8 { flex: 0 0 66.667%; }
.col-9 { flex: 0 0 75%; }
.col-12 { flex: 0 0 100%; }

/* Table Styles */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-lg);
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.table th {
    background: rgba(78, 205, 196, 0.1);
    color: var(--primary-color);
    font-weight: 600;
}

.table tbody tr:hover {
    background: rgba(255,255,255,0.05);
}

/* Alert/Notification Styles */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid;
}

.alert-success {
    background: rgba(39, 174, 96, 0.1);
    border-left-color: var(--accent-success);
    color: var(--accent-success);
}

.alert-warning {
    background: rgba(243, 156, 18, 0.1);
    border-left-color: var(--accent-warning);
    color: var(--accent-warning);
}

.alert-error {
    background: rgba(231, 76, 60, 0.1);
    border-left-color: var(--accent-error);
    color: var(--accent-error);
}

.alert-info {
    background: rgba(52, 152, 219, 0.1);
    border-left-color: var(--accent-info);
    color: var(--accent-info);
}

/* Loading States */
.loading {
    position: relative;
    color: transparent;
}

.loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid transparent;
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Progress Bar */
.progress {
    background: var(--text-muted);
    border-radius: var(--radius-sm);
    height: 8px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
    height: 100%;
    border-radius: var(--radius-sm);
    transition: width var(--transition-normal);
}

/* Badge/Tag Styles */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    text-transform: uppercase;
}

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

.badge-success {
    background: var(--accent-success);
    color: white;
}

.badge-warning {
    background: var(--accent-warning);
    color: white;
}

.badge-error {
    background: var(--accent-error);
    color: white;
}

/* ServeBeer Specific Components */
.cid-display {
    background: rgba(0,0,0,0.4);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-family: var(--font-family-mono);
    font-size: 0.9rem;
    word-break: break-all;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.cid-display:hover {
    background: rgba(78, 205, 196, 0.1);
    border-color: var(--primary-color);
    transform: scale(1.02);
}

.ipfs-status {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
}

.ipfs-status.online {
    background: rgba(39, 174, 96, 0.2);
    color: var(--accent-success);
}

.ipfs-status.offline {
    background: rgba(231, 76, 60, 0.2);
    color: var(--accent-error);
}

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

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

.bounce-in {
    animation: bounceIn 0.6s ease-out;
}

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

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

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 24px;
        --spacing-2xl: 32px;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .card {
        padding: var(--spacing-lg);
    }
    
    .btn-xl {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
    }
    
    .row {
        margin: 0 -var(--spacing-sm);
    }
    
    .col {
        padding: 0 var(--spacing-sm);
    }
    
    /* Stack columns on mobile */
    .col-1, .col-2, .col-3, .col-4, .col-6, .col-8, .col-9 {
        flex: 0 0 100%;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .form-input,
    .form-textarea {
        padding: var(--spacing-sm);
    }
}

/* Dark mode support (already default) */
@media (prefers-color-scheme: dark) {
    /* Our design is already dark, so no changes needed */
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #00FF00;
        --text-primary: #FFFFFF;
        --bg-secondary: #000000;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    body {
        background: white !important;
        color: black !important;
    }
    
    .card {
        background: white !important;
        border: 1px solid black !important;
        box-shadow: none !important;
    }
    
    .btn {
        display: none;
    }
    
    .cid-display {
        background: #f0f0f0 !important;
        color: black !important;
    }
}

/* Custom scrollbar (WebKit) */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: var(--radius-sm);
}

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

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

::-moz-selection {
    background: var(--primary-color);
    color: white;
}

/* Focus visible for better accessibility */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ServeBeer branding elements */
.nftomczain-signature {
    font-style: italic;
    color: var(--text-muted);
    font-size: 0.875rem;
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.guerrilla-infrastructure {
    color: var(--primary-color);
    font-weight: 600;
}

/* Beta testing specific styles */
.beta-indicator {
    background: linear-gradient(45deg, #F39C12, #E67E22);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
    margin-left: var(--spacing-sm);
}

.beta-banner {
    background: var(--accent-info);
    color: white;
    padding: var(--spacing-md);
    text-align: center;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-md);
}

/* End of ServeBeer IPFS CDN Stylesheet */