/* ============================================
   MOONWALK - Crypto Forecast Dashboard
   Dark Futuristic Theme
   ============================================ */

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

:root {
    --bg-deep: #060611;
    --bg-main: #0a0a1a;
    --bg-surface: #0d1025;
    --bg-card: #111430;
    --bg-card-hover: #161a3d;
    --neon-blue: #00d4ff;
    --neon-purple: #8b5cf6;
    --neon-pink: #c026d3;
    --green: #00ff88;
    --red: #ff3366;
    --text-primary: #e0e6ff;
    --text-secondary: #6b7db3;
    --text-muted: #3d4a6e;
    --border: #1a1f3d;
    --border-glow: rgba(0, 212, 255, 0.15);
    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* ---- Breathing Gradient Background ---- */
.breathing-bg {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 70%),
        radial-gradient(ellipse 60% 80% at 80% 70%, rgba(0, 212, 255, 0.06) 0%, transparent 70%),
        radial-gradient(ellipse 90% 50% at 50% 50%, rgba(192, 38, 211, 0.04) 0%, transparent 70%);
    animation: breathe 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes breathe {
    0%, 100% {
        transform: scale(1) translate(0, 0);
        opacity: 0.8;
    }
    25% {
        transform: scale(1.05) translate(1%, -1%);
        opacity: 1;
    }
    50% {
        transform: scale(1.02) translate(-1%, 1%);
        opacity: 0.9;
    }
    75% {
        transform: scale(1.07) translate(1%, 0.5%);
        opacity: 1;
    }
}

/* ---- Ultra-fine Smooth Grain Overlay (Canvas-based) ---- */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
    opacity: 0.022;
    mix-blend-mode: overlay;
}

/* ---- App Container ---- */
#app {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 16px 24px 40px;
}

/* ---- Header ---- */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-svg {
    width: 52px;
    height: 40px;
    filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.4));
}

.brand-name {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 4px;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.brand-tagline {
    font-family: var(--font-display);
    font-size: 8px;
    font-weight: 400;
    letter-spacing: 3px;
    color: var(--text-muted);
    display: block;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.status-text {
    font-family: var(--font-display);
    font-size: 10px;
    font-weight: 600;
    color: var(--green);
    letter-spacing: 2px;
}

.refresh-timer, .coin-count {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.timer-label, .count-label {
    font-family: var(--font-display);
    font-size: 7px;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.timer-value, .count-value {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    color: var(--neon-blue);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

/* ---- Controls Bar (Search + Refresh) ---- */
.controls-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.search-wrapper {
    flex: 1;
    position: relative;
    max-width: 420px;
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 9px 36px 9px 36px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 12px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-input::placeholder {
    color: var(--text-muted);
    font-size: 11px;
}

.search-input:focus {
    border-color: var(--neon-blue);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.1);
}

.search-clear {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1;
    transition: color 0.15s;
}

.search-clear:hover {
    color: var(--text-primary);
}

.ctrl-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.ctrl-btn:hover {
    border-color: var(--neon-blue);
    color: var(--neon-blue);
    box-shadow: 0 0 12px rgba(0, 212, 255, 0.1);
}

.ctrl-btn:active {
    transform: scale(0.97);
}

.ctrl-btn .btn-icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.refresh-btn.refreshing .btn-icon {
    animation: spin 0.8s linear infinite;
}

/* ---- Loading State ---- */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 120px 0;
    gap: 20px;
}

.loader-ring {
    width: 48px;
    height: 48px;
    border: 2px solid var(--border);
    border-top-color: var(--neon-blue);
    border-right-color: var(--neon-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--text-muted);
}

/* ---- Table ---- */
.table-container {
    width: 100%;
    overflow-x: auto;
}

.crypto-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.crypto-table thead th {
    font-family: var(--font-display);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-align: right;
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg-deep);
    z-index: 10;
    white-space: nowrap;
    cursor: pointer;
    transition: color 0.15s ease;
}

.crypto-table thead th:hover {
    color: var(--neon-blue);
}

.sort-arrow {
    color: var(--neon-blue);
    font-size: 8px;
    margin-left: 2px;
    text-shadow: 0 0 6px rgba(0, 212, 255, 0.5);
}

.crypto-table thead th:nth-child(1) {
    text-align: center;
}

.crypto-table thead th:nth-child(2) {
    text-align: left;
}

/* ---- Table Rows ---- */
.crypto-row {
    cursor: pointer;
    transition: background 0.2s ease;
}

.crypto-row:hover {
    background: rgba(139, 92, 246, 0.04);
}

.crypto-row td {
    padding: 10px 10px;
    border-bottom: 1px solid rgba(26, 31, 61, 0.5);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-primary);
    text-align: right;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: middle;
}

.crypto-row td:nth-child(1) {
    text-align: center;
    color: var(--text-muted);
    font-size: 11px;
    font-family: var(--font-body);
}

.crypto-row td:nth-child(2) {
    text-align: left;
}

.coin-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}

.coin-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    flex-shrink: 0;
}

.coin-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
}

.coin-symbol {
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.coin-name {
    font-family: var(--font-body);
    font-size: 10px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
}

.change-positive { color: var(--green); }
.change-negative { color: var(--red); }

.pred-value {
    font-size: 11px;
}

.pred-up { color: var(--green); }
.pred-down { color: var(--red); }

.supply-tag {
    display: inline-block;
    font-size: 8px;
    font-family: var(--font-display);
    letter-spacing: 1px;
    padding: 1px 5px;
    border-radius: 3px;
    margin-right: 4px;
    vertical-align: middle;
}

.supply-fixed {
    color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.15);
}

.supply-infinite {
    color: var(--text-muted);
    background: rgba(61, 74, 110, 0.1);
    border: 1px solid rgba(61, 74, 110, 0.15);
}

/* ---- Expand Arrow ---- */
.expand-arrow {
    display: inline-block;
    margin-left: 6px;
    transition: transform 0.3s ease;
    font-size: 8px;
    color: var(--text-muted);
}

.crypto-row.expanded .expand-arrow {
    transform: rotate(90deg);
    color: var(--neon-blue);
}

.crypto-row.expanded {
    background: rgba(0, 212, 255, 0.03);
    border-left: 2px solid var(--neon-blue);
}

/* ---- Expandable Detail Panel (Full-width 4-panel mosaic) ---- */
.detail-row {
    display: none;
}

.detail-row.open {
    display: table-row;
}

.detail-row td {
    padding: 0 !important;
    border-bottom: 1px solid var(--border) !important;
    text-align: left !important;
}

.detail-panel {
    width: 100%;
    padding: 16px;
    background: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-card) 100%);
    border-top: 1px solid var(--border-glow);
    border-bottom: 1px solid var(--border-glow);
    animation: panelSlide 0.35s ease-out;
}

@keyframes panelSlide {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.detail-coin-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.detail-coin-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.detail-coin-name {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.detail-coin-symbol {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    margin-left: 8px;
}

.detail-coin-price {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 600;
    color: var(--neon-blue);
    text-shadow: 0 0 8px rgba(0, 212, 255, 0.2);
}

.mosaic-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 12px;
    width: 100%;
    height: 520px;
}

.mosaic-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: border-color 0.2s ease;
}

.mosaic-panel:hover {
    border-color: rgba(0, 212, 255, 0.25);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.05);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.panel-title {
    font-family: var(--font-display);
    font-size: 8px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--text-secondary);
}

.panel-badge {
    font-family: var(--font-mono);
    font-size: 9px;
    padding: 2px 8px;
    border-radius: 4px;
    letter-spacing: 1px;
}

.badge-forecast {
    background: rgba(139, 92, 246, 0.1);
    color: var(--neon-purple);
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.panel-pred-price {
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 4px;
}

.panel-pred-up {
    color: var(--green);
    background: rgba(0, 255, 136, 0.08);
}

.panel-pred-down {
    color: var(--red);
    background: rgba(255, 51, 102, 0.08);
}

.chart-container {
    flex: 1;
    width: 100%;
    min-height: 0;
    position: relative;
}

.chart-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    font-family: var(--font-display);
    font-size: 9px;
    letter-spacing: 2px;
}

/* ---- Load More ---- */
.load-more-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 24px 0 8px;
}

.load-more-btn {
    padding: 10px 28px;
}

.load-more-info {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* ---- No Results ---- */
.no-results {
    text-align: center;
    padding: 60px 0;
    color: var(--text-muted);
    font-family: var(--font-display);
    font-size: 11px;
    letter-spacing: 3px;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

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

/* ---- Responsive ---- */
@media (max-width: 1200px) {
    .crypto-table thead th:nth-child(5),
    .crypto-row td:nth-child(5) {
        display: none;
    }
}

@media (max-width: 900px) {
    .header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }
    .header-right {
        width: 100%;
        justify-content: flex-start;
    }
    .controls-bar {
        flex-direction: column;
        align-items: stretch;
    }
    .search-wrapper {
        max-width: 100%;
    }
    .mosaic-grid {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, 200px);
        height: auto;
    }
    .crypto-table thead th:nth-child(6),
    .crypto-row td:nth-child(6) {
        display: none;
    }
}