/* Forge Pool - Common Styles */
/* Version: 1.0.0 */

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

/* CSS Variables - Single Source of Truth */
:root {
    /* Brand Colors */
    --bch-green: #0ac18e;
    --bch-green-dark: #089e74;
    --bch-green-light: #0ed9a0;
    --gold: #f59e0b;
    --gold-dark: #d97706;
    --gold-light: #fbbf24;

    /* Background Colors */
    --bg-primary: #0a0a0a;
    --bg-card: #111111;
    --bg-hover: #1a1a1a;
    --bg-input: #0a0a0a;

    /* Border Colors */
    --border: #222222;
    --border-hover: #333333;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;

    /* Status Colors */
    --success: #0ac18e;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Fonts */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow-green: 0 0 20px rgba(10, 193, 142, 0.3);
    --shadow-glow-gold: 0 0 20px rgba(245, 158, 11, 0.3);
}

/* Base Styles */
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--bch-green);
    color: #000;
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 1000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* Focus Styles for Accessibility */
:focus-visible {
    outline: 2px solid var(--bch-green);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--bch-green);
    outline-offset: 2px;
}

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

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
header {
    border-bottom: 1px solid var(--border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-sub {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Navigation */
nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color var(--transition-fast);
}

nav a:hover,
nav a.active {
    color: var(--bch-green);
}

.nav-cta {
    background: var(--bch-green);
    color: #000 !important;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
}

.nav-cta:hover {
    background: var(--bch-green-dark);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    padding: var(--spacing-sm);
}

/* Mode Badge */
.mode-badge {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 13px;
}

.mode-badge.pplns {
    background: var(--bch-green);
    color: #000;
}

.mode-badge.solo {
    background: var(--gold);
    color: #000;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: border-color var(--transition-fast);
}

.card:hover {
    border-color: var(--border-hover);
}

.card h2 {
    font-size: 16px;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Stat Cards */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-fast);
}

.stat-card:hover {
    border-color: var(--bch-green);
    transform: translateY(-2px);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    font-family: var(--font-mono);
}

.stat-value.green {
    color: var(--bch-green);
}

.stat-value.gold {
    color: var(--gold);
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

table th {
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

table td {
    font-family: var(--font-mono);
    font-size: 13px;
}

table tr:hover {
    background: var(--bg-hover);
}

.table-scroll {
    max-height: 300px;
    overflow-y: auto;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
}

.status-badge.confirmed,
.status-confirmed {
    background: rgba(10, 193, 142, 0.2);
    color: var(--bch-green);
}

.status-badge.pending,
.status-pending {
    background: rgba(245, 158, 11, 0.2);
    color: var(--gold);
}

.status-badge.error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

/* Status Dots */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: var(--spacing-sm);
}

.status-dot.online {
    background: var(--bch-green);
    box-shadow: 0 0 8px var(--bch-green);
}

.status-dot.offline {
    background: var(--error);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--bch-green);
    color: #000;
}

.btn-primary:hover:not(:disabled) {
    background: var(--bch-green-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--bch-green);
}

.btn-gold {
    background: var(--gold);
    color: #000;
}

.btn-gold:hover:not(:disabled) {
    background: var(--gold-dark);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 13px;
}

/* Copy Button */
.copy-btn {
    background: var(--border);
    border: none;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 12px;
    transition: all var(--transition-fast);
}

.copy-btn:hover {
    background: var(--bch-green);
    color: #000;
}

.copy-btn.copied {
    background: var(--success);
    color: #000;
}

/* Forms */
.input {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 15px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border);
    background: var(--bg-input);
    color: var(--text-primary);
    font-family: var(--font-mono);
    transition: border-color var(--transition-fast);
}

.input:focus {
    outline: none;
    border-color: var(--bch-green);
}

.input.invalid {
    border-color: var(--error);
}

.input.valid {
    border-color: var(--bch-green);
}

.input-error {
    color: var(--error);
    font-size: 13px;
    margin-top: var(--spacing-sm);
    display: none;
}

.input-error.show {
    display: block;
}

/* Links */
.link {
    color: var(--bch-green);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.link:hover {
    text-decoration: underline;
}

/* Loading States */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--bch-green);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-spinner.lg {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--border) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

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

.loading-placeholder {
    min-height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Error Banner */
.error-banner {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.error-banner.hidden {
    display: none;
}

/* Success Banner */
.success-banner {
    background: rgba(10, 193, 142, 0.1);
    border: 1px solid var(--bch-green);
    color: var(--bch-green);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.success-banner.hidden {
    display: none;
}

/* Offline Banner */
.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--error);
    color: #fff;
    padding: var(--spacing-sm);
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    z-index: 1000;
    transform: translateY(-100%);
    transition: transform var(--transition-normal);
}

.offline-banner.show {
    transform: translateY(0);
}

/* Last Updated Indicator */
.last-updated {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.last-updated .dot {
    width: 6px;
    height: 6px;
    background: var(--bch-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 0 0 rgba(10, 193, 142, 0.4);
    }
    50% {
        opacity: 0.8;
        box-shadow: 0 0 0 8px rgba(10, 193, 142, 0);
    }
}

.pulse-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--bch-green);
    border-radius: 50%;
    margin-right: 6px;
    animation: pulse 2s infinite;
}

/* Live Indicator */
.live-indicator {
    display: inline-flex;
    align-items: center;
    color: var(--bch-green);
    font-size: 13px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 480px;
    width: 90%;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.show .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    margin-bottom: var(--spacing-lg);
}

.modal-footer {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* Tooltip */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 100;
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Section Title */
.section-title {
    font-size: 20px;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Hash Link */
.hash-link {
    color: var(--bch-green);
    text-decoration: none;
    font-family: var(--font-mono);
}

.hash-link:hover {
    text-decoration: underline;
}

/* Loading/Error/Empty States */
.loading-state,
.error-state,
.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xl);
    color: var(--text-secondary);
    text-align: center;
}

.error-state {
    color: var(--error);
}

.error-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--error);
    color: #fff;
    border-radius: 50%;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

/* Modal Active State */
.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Red color variable alias */
:root {
    --red: #ef4444;
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: var(--spacing-lg) 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: var(--spacing-2xl);
}

footer a {
    color: var(--bch-green);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Chart Container */
.chart-container {
    height: 200px;
    position: relative;
}

/* Responsive */
@media (max-width: 900px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    nav {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: var(--spacing-md);
        padding-top: var(--spacing-lg);
    }

    nav.open {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .header-content {
        flex-wrap: wrap;
    }
}

@media (max-width: 600px) {
    :root {
        --spacing-lg: 16px;
        --spacing-xl: 24px;
    }

    .stat-value {
        font-size: 20px;
    }

    table th,
    table td {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 12px;
    }
}

/* Print Styles */
@media print {
    header, footer, .btn, .mobile-menu {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    .card {
        border: 1px solid #ccc;
        break-inside: avoid;
    }
}