/* ── Reset & Variables ─────────────────────────────── */

:root {
    --black: #0a0a0a;
    --surface: #111110;
    --cream: #f0ebe1;
    --gold: #c4a34e;
    --gold-dim: rgba(196, 163, 78, 0.15);
    --muted: #6b6860;
    --border: rgba(240, 235, 225, 0.08);

    --font-display: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

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

body {
    min-height: 100vh;
    background: var(--black);
    color: var(--cream);
    font-family: var(--font-body);
    overflow-x: hidden;
    position: relative;
}

/* ── Film Grain Overlay ───────────────────────────── */

.grain {
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 200px 200px;
}

/* ── Top Bar ─────────────────────────────────────── */

.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    pointer-events: none;
    opacity: 0;
    animation: fadeIn 0.4s ease 1s forwards;
}

.top-bar > * {
    pointer-events: auto;
}

/* ── Top Nav ─────────────────────────────────────── */

.top-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-nav__link {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    text-decoration: none;
    padding: 0.4rem 0.55rem;
    transition: color 0.3s ease;
}

.top-nav__link:hover {
    color: var(--cream);
}

.top-nav__balance {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 0.3rem 0.5rem;
}

.top-nav__balance-label {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.top-nav__balance-value {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: -0.02em;
}

/* ── Language Switcher ───────────────────────────── */

.lang-switch {
    display: flex;
    gap: 2px;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 2px;
}

.lang-switch__btn {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    background: transparent;
    border: none;
    padding: 0.4rem 0.55rem;
    cursor: pointer;
    transition: color 0.3s ease, background 0.3s ease;
    min-height: 36px;
    min-width: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
}

.lang-switch__btn:hover {
    color: var(--cream);
}

.lang-switch__btn--active {
    color: var(--black);
    background: var(--gold);
}

.lang-switch__btn--active:hover {
    color: var(--black);
}

/* ── Logo ─────────────────────────────────────────── */

.logo {
    display: block;
    width: 90px;
    color: var(--gold);
    text-decoration: none;
    flex-shrink: 0;
}

.logo img {
    width: 100%;
    height: auto;
    display: block;
}

/* ── Chart Page Layout ────────────────────────────── */

.chart-page {
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    padding: 3.75rem 0.75rem 0.75rem;
    position: relative;
    overflow: hidden;
}

.chart-page__glow {
    position: absolute;
    top: -20%;
    right: -15%;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--gold-dim) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    filter: blur(60px);
}

/* ── Chart Header ─────────────────────────────────── */

.chart-header {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 0.5rem;
    opacity: 0;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.chart-header__pair {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chart-header__symbol {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.chart-header__badge {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    background: var(--gold-dim);
    padding: 0.15rem 0.4rem;
    border: 1px solid rgba(196, 163, 78, 0.25);
}

.chart-header__sandbox {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.25);
    padding: 0.15rem 0.4rem;
    animation: pulse-sandbox 3s ease-in-out infinite;
}

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

.chart-header__price-wrap {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.chart-header__price {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 7vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    color: var(--gold);
}

.chart-header__delta {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--muted);
}

.chart-header__delta--up {
    color: #22c55e;
}

.chart-header__delta--down {
    color: #ef4444;
}

.chart-header__entry {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    padding: 0.15rem 0.4rem;
    display: none;
}

.chart-header__entry:not(:empty) {
    display: inline-block;
}

/* ── Chart Container ──────────────────────────────── */

.chart-container {
    flex: 1;
    min-height: 0;
    border: 1px solid var(--border);
    background: var(--surface);
    opacity: 0;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
}

.chart-container__canvas {
    width: 100%;
    height: 100%;
}

/* ── Chart Status Bar ─────────────────────────────── */

.chart-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0 0;
    flex-shrink: 0;
    opacity: 0;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
}

.chart-status__live {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.chart-status__pulse {
    width: 6px;
    height: 6px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.chart-status__label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #22c55e;
}

.chart-status__window {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

/* ── Round Panel ─────────────────────────────────── */

.round-panel {
    flex-shrink: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 0.75rem;
    margin-top: 0.5rem;
    opacity: 0;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.8s forwards;
    display: none;
}

.round-panel--visible {
    display: block;
}

.round-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.round-panel__round-info {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.round-panel__label {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
}

.round-panel__number {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--cream);
    letter-spacing: -0.02em;
}

.round-panel__status-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.round-panel__badge {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.15rem 0.4rem;
    border: 1px solid;
}

.round-panel__badge--open {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.25);
}

.round-panel__badge--locked {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.25);
}

.round-panel__badge--resolved {
    color: var(--muted);
    background: rgba(107, 104, 96, 0.1);
    border-color: rgba(107, 104, 96, 0.25);
}

.round-panel__timer {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: -0.02em;
    min-width: 3rem;
    text-align: right;
}

.round-panel__lock-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.35rem 0;
    margin-bottom: 0.5rem;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.round-panel__lock-label {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.round-panel__lock-value {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--cream);
    letter-spacing: -0.02em;
}

.round-panel__pools {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 0.5rem;
}

.round-panel__side {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.round-panel__side--down {
    text-align: right;
}

.round-panel__side-label {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.round-panel__side--up .round-panel__side-label {
    color: #22c55e;
}

.round-panel__side--down .round-panel__side-label {
    color: #ef4444;
}

.round-panel__side-amount {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--cream);
    letter-spacing: -0.02em;
}

.round-panel__side-payout {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--gold);
}

.round-panel__bar-track {
    width: 100%;
    height: 4px;
    background: rgba(239, 68, 68, 0.3);
    position: relative;
    overflow: hidden;
}

.round-panel__bar-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 50%;
    background: #22c55e;
    transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Bet Form ────────────────────────────────────── */

.bet-form {
    flex-shrink: 0;
    display: none;
    margin-top: 0.5rem;
    opacity: 0;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.9s forwards;
}

.bet-form--visible {
    display: block;
}

.bet-form__presets {
    display: flex;
    gap: 0.35rem;
    margin-bottom: 0.5rem;
}

.bet-form__preset {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    background: var(--black);
    border: 1px solid var(--border);
    padding: 0.5rem 0.25rem;
    cursor: pointer;
    transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease;
    -webkit-tap-highlight-color: transparent;
    min-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.bet-form__preset:hover {
    color: var(--cream);
    border-color: rgba(240, 235, 225, 0.14);
}

.bet-form__preset--active {
    color: var(--gold);
    border-color: var(--gold);
    background: var(--gold-dim);
}

.bet-form__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
}

.bet-form__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.3s ease,
                opacity 0.3s ease;
    -webkit-tap-highlight-color: transparent;
    min-height: 44px;
}

.bet-form__btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.15));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.bet-form__btn:hover:not(:disabled)::before {
    opacity: 1;
}

.bet-form__btn:hover:not(:disabled) {
    transform: translateY(-2px);
}

.bet-form__btn:active:not(:disabled) {
    transform: scale(0.98);
}

.bet-form__btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.bet-form__btn--up {
    background: #22c55e;
    color: var(--black);
}

.bet-form__btn--up:hover:not(:disabled) {
    box-shadow: 0 6px 24px rgba(34, 197, 94, 0.3);
}

.bet-form__btn--down {
    background: #ef4444;
    color: #fff;
}

.bet-form__btn--down:hover:not(:disabled) {
    box-shadow: 0 6px 24px rgba(239, 68, 68, 0.3);
}

.bet-form__btn-icon {
    position: relative;
    z-index: 1;
    font-size: 0.65rem;
    line-height: 1;
}

.bet-form__btn-text {
    position: relative;
    z-index: 1;
}

.bet-form__result {
    margin-top: 0.35rem;
}

.bet-form__toast {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.5rem 0.75rem;
    text-align: center;
    animation: fadeIn 0.3s ease forwards;
}

.bet-form__toast--success {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.bet-form__toast--error {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ── Sidebar Empty State (auto-hide) ─────────────── */

.sidebar__empty:not(:only-child) {
    display: none;
}

/* ── Bet Confirmation Modal ──────────────────────── */

.bet-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9500;
    align-items: center;
    justify-content: center;
}

.bet-modal--visible {
    display: flex;
}

.bet-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn 0.2s ease forwards;
}

.bet-modal__card {
    position: relative;
    z-index: 1;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 1.25rem;
    width: calc(100% - 2rem);
    max-width: 340px;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.bet-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.bet-modal__title {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
}

.bet-modal__direction {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.15rem 0.5rem;
    border: 1px solid;
}

.bet-modal__direction--up {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.25);
}

.bet-modal__direction--down {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.25);
}

.bet-modal__rows {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

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

.bet-modal__row--highlight {
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
}

.bet-modal__label {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.bet-modal__value {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--cream);
    letter-spacing: -0.02em;
}

.bet-modal__value--gold {
    color: var(--gold);
}

.bet-modal__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.bet-modal__btn {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.7rem 0.5rem;
    border: none;
    cursor: pointer;
    min-height: 44px;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.3s ease;
    -webkit-tap-highlight-color: transparent;
}

.bet-modal__btn:hover {
    transform: translateY(-1px);
}

.bet-modal__btn:active {
    transform: scale(0.98);
}

.bet-modal__btn--cancel {
    color: var(--cream);
    background: var(--black);
    border: 1px solid var(--border);
}

.bet-modal__btn--cancel:hover {
    border-color: rgba(240, 235, 225, 0.2);
}

.bet-modal__btn--confirm.bet-modal__btn--up {
    color: var(--black);
    background: #22c55e;
}

.bet-modal__btn--confirm.bet-modal__btn--up:hover {
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.3);
}

.bet-modal__btn--confirm.bet-modal__btn--down {
    color: #fff;
    background: #ef4444;
}

.bet-modal__btn--confirm.bet-modal__btn--down:hover {
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
}

/* ── Button ───────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.75rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--black);
    background: var(--gold);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.3s ease;
    -webkit-tap-highlight-color: transparent;
    min-height: 48px;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.2));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(196, 163, 78, 0.25);
}

.btn:hover::before {
    opacity: 1;
}

.btn:active {
    transform: scale(0.98);
}

.btn:hover .btn__arrow {
    transform: translateX(4px);
}

.btn__text {
    position: relative;
    z-index: 1;
}

.btn__arrow {
    position: relative;
    z-index: 1;
    font-size: 1.1rem;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Animations ──────────────────────────────────── */

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.3);
    }
}

/* ── Desktop (min-width: 769px) ──────────────────── */

@media (min-width: 769px) {
    .top-bar {
        padding: 1.5rem 2rem;
    }

    .logo {
        width: 140px;
    }

    .chart-page {
        padding: 5rem 3rem 2rem;
    }

    .chart-page__glow {
        right: -5%;
        width: 600px;
        height: 600px;
        filter: blur(80px);
    }

    .chart-header {
        flex-direction: row;
        align-items: baseline;
        justify-content: space-between;
        gap: 0.75rem;
        margin-bottom: 1.25rem;
    }

    .chart-header__symbol {
        font-size: 0.75rem;
    }

    .chart-header__badge {
        font-size: 0.6rem;
        padding: 0.2rem 0.5rem;
    }

    .chart-header__price {
        font-size: clamp(2.5rem, 5vw, 3.5rem);
    }

    .chart-header__delta {
        font-size: 0.8rem;
    }

    .chart-header__entry {
        font-size: 0.65rem;
    }

    .chart-container {
        max-height: 600px;
    }

    .chart-status {
        padding: 0.75rem 0 0;
    }

    .chart-status__pulse {
        width: 8px;
        height: 8px;
    }

    .chart-status__label {
        font-size: 0.7rem;
    }

    .chart-status__window {
        font-size: 0.7rem;
    }

    .lang-switch {
        padding: 3px;
    }

    .lang-switch__btn {
        font-size: 0.65rem;
        padding: 0.45rem 0.65rem;
    }

    .round-panel {
        padding: 1rem 1.25rem;
        margin-top: 0.75rem;
    }

    .round-panel__label {
        font-size: 0.6rem;
    }

    .round-panel__number {
        font-size: 1.15rem;
    }

    .round-panel__badge {
        font-size: 0.6rem;
        padding: 0.2rem 0.5rem;
    }

    .round-panel__timer {
        font-size: 1.15rem;
    }

    .round-panel__lock-label {
        font-size: 0.6rem;
    }

    .round-panel__lock-value {
        font-size: 1rem;
    }

    .round-panel__side-label {
        font-size: 0.6rem;
    }

    .round-panel__side-amount {
        font-size: 1rem;
    }

    .round-panel__side-payout {
        font-size: 0.6rem;
    }

    .round-panel__bar-track {
        height: 5px;
    }

    .bet-form {
        margin-top: 0.75rem;
    }

    .bet-form__presets {
        gap: 0.5rem;
        margin-bottom: 0.6rem;
    }

    .bet-form__preset {
        font-size: 0.7rem;
        padding: 0.6rem 0.5rem;
        min-height: 44px;
    }

    .bet-form__actions {
        gap: 0.5rem;
    }

    .bet-form__btn {
        padding: 0.75rem 0.75rem;
        font-size: 0.75rem;
        min-height: 48px;
    }

    .bet-form__toast {
        font-size: 0.65rem;
        padding: 0.55rem 0.85rem;
    }

    .btn {
        gap: 1rem;
        padding: 1rem 2.2rem;
        font-size: 0.8rem;
    }

    .top-nav {
        gap: 0.75rem;
    }

    .top-nav__link {
        font-size: 0.65rem;
    }

    .top-nav__balance-value {
        font-size: 0.9rem;
    }
}

/* ── App Layout ──────────────────────────────────── */

.app-layout {
    display: flex;
    height: 100vh;
    height: 100dvh;
}

.app-layout > .chart-page {
    flex: 1;
    min-width: 0;
    height: auto;
}

/* ── Sidebar (Desktop defaults) ──────────────────── */

.sidebar {
    width: 280px;
    flex-shrink: 0;
    overflow: hidden;
}

.sidebar__backdrop {
    display: none;
}

.sidebar__handle {
    display: none;
}

.sidebar__peek {
    display: none;
}

.sidebar__panel {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--surface);
    border-left: 1px solid var(--border);
}

.sidebar__content {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
    padding-top: 4.5rem;
}

.sidebar__balance {
    display: none;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.sidebar__balance-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.25rem;
}

.sidebar__balance-value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--gold);
    letter-spacing: -0.03em;
}

.sidebar__nav {
    display: none;
}

.sidebar__section {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.sidebar__section-label {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
}

.sidebar__bets {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar__empty {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.sidebar__empty-text {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

/* ── Sidebar Bet Card ────────────────────────────── */

.sidebar-bet {
    background: var(--black);
    border: 1px solid var(--border);
    padding: 0.6rem;
    transition: border-color 0.3s ease;
}

.sidebar-bet:hover {
    border-color: rgba(240, 235, 225, 0.14);
}

.sidebar-bet__header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
}

.sidebar-bet__time {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    color: var(--muted);
    letter-spacing: 0.05em;
    margin-left: auto;
}

.sidebar-bet__round {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--cream);
    letter-spacing: -0.02em;
}

.sidebar-bet__direction {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.1rem 0.35rem;
    border: 1px solid;
}

.sidebar-bet__direction--up {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.25);
}

.sidebar-bet__direction--down {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.25);
}

.sidebar-bet__amounts {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    margin-bottom: 0.4rem;
}

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

.sidebar-bet__label {
    font-family: var(--font-mono);
    font-size: 0.5rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.sidebar-bet__value {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--cream);
}

.sidebar-bet__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.35rem;
    border-top: 1px solid var(--border);
}

.sidebar-bet__status {
    font-family: var(--font-mono);
    font-size: 0.5rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.sidebar-bet__status--pending {
    color: var(--muted);
}

.sidebar-bet__status--won {
    color: #22c55e;
}

.sidebar-bet__status--lost {
    color: #ef4444;
}

.sidebar-bet__status--claimed {
    color: var(--gold);
}

/* ── Small Button ────────────────────────────────── */

.btn--sm {
    padding: 0.3rem 0.6rem;
    font-size: 0.55rem;
    gap: 0.3rem;
    min-height: 28px;
}

.btn--sm .btn__arrow {
    font-size: 0.7rem;
}

/* ── History Page ────────────────────────────────── */

.history-page {
    min-height: 100vh;
    padding: 5rem 1rem 2rem;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.history-page__glow {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--gold-dim) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    filter: blur(80px);
}

.history-header {
    margin-bottom: 2rem;
    opacity: 0;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.history-header__eyebrow {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold);
}

.history-header__title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 0.92;
    color: var(--cream);
    margin-top: 0.25rem;
}

.history-empty {
    padding: 3rem 1rem;
    text-align: center;
    opacity: 0;
    animation: fadeIn 0.4s ease 0.4s forwards;
}

.history-empty__text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
}

.history-table-wrap {
    overflow-x: auto;
    opacity: 0;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
}

.history-table {
    width: 100%;
    border-collapse: collapse;
}

.history-table__th {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    text-align: left;
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.history-table__row {
    transition: background 0.2s ease;
}

.history-table__row:hover {
    background: rgba(240, 235, 225, 0.02);
}

.history-table__cell {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--cream);
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.history-table__cell--mono {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 400;
}

.history-table__cell--muted {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--muted);
}

.history-table__outcome {
    font-family: var(--font-mono);
    font-size: 0.55rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.15rem 0.4rem;
    border: 1px solid;
}

.history-table__outcome--up {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.25);
}

.history-table__outcome--down {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.25);
}

.history-table__outcome--draw {
    color: var(--muted);
    background: rgba(107, 104, 96, 0.1);
    border-color: rgba(107, 104, 96, 0.25);
}

/* ── Mobile Bottom Sheet ─────────────────────────── */

@media (max-width: 768px) {

    /* ── Mobile top bar ── */
    .top-bar {
        background: rgba(10, 10, 10, 0.85);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border);
        padding: 0.4rem 0.75rem;
    }

    /* ── Clean top nav: hide redundant elements ── */
    .top-nav__balance {
        display: none;
    }

    .top-nav__link {
        display: none;
    }

    /* ── Sidebar becomes full-screen overlay ── */
    .sidebar {
        position: fixed;
        inset: 0;
        z-index: 8000;
        width: auto;
        pointer-events: none;
    }

    /* ── Backdrop ── */
    .sidebar__backdrop {
        display: block;
        position: absolute;
        inset: 0;
        background: rgba(10, 10, 10, 0.75);
        backdrop-filter: blur(6px);
        -webkit-backdrop-filter: blur(6px);
        opacity: 0;
        transition: opacity 0.4s ease;
        pointer-events: none;
    }

    .sidebar--expanded .sidebar__backdrop {
        opacity: 1;
        pointer-events: auto;
    }

    /* ── Sheet Panel ── */
    .sidebar__panel {
        --peek-height: 72px;
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        max-height: 85dvh;
        max-height: 85vh;
        background: var(--surface);
        border-top: 1px solid rgba(196, 163, 78, 0.2);
        border-left: none;
        border-radius: 0.5rem 0.5rem 0 0;
        pointer-events: auto;
        transform: translateY(calc(100% - var(--peek-height) - env(safe-area-inset-bottom, 0px)));
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                    box-shadow 0.4s ease;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }

    .sidebar--expanded .sidebar__panel {
        transform: translateY(0);
        box-shadow: 0 -12px 50px rgba(0, 0, 0, 0.5);
    }

    /* ── Drag Handle ── */
    .sidebar__handle {
        display: flex;
        justify-content: center;
        padding: 0.6rem 0 0.2rem;
        cursor: grab;
        -webkit-tap-highlight-color: transparent;
        touch-action: none;
    }

    .sidebar__handle:active {
        cursor: grabbing;
    }

    .sidebar__handle-bar {
        width: 36px;
        height: 3px;
        background: var(--gold);
        border-radius: 2px;
        opacity: 0.35;
        transition: opacity 0.3s ease, width 0.3s ease;
    }

    .sidebar--expanded .sidebar__handle-bar {
        opacity: 0.6;
        width: 42px;
    }

    /* ── Peek Bar ── */
    .sidebar__peek {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0.15rem 1rem 0.65rem;
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
        opacity: 1;
        transition: opacity 0.2s ease 0.15s, height 0.3s ease, padding 0.3s ease;
    }

    .sidebar__peek-left {
        display: flex;
        align-items: baseline;
        gap: 0.4rem;
    }

    .sidebar__peek-label {
        font-family: var(--font-mono);
        font-size: 0.55rem;
        font-weight: 500;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--muted);
    }

    .sidebar__peek-value {
        font-family: var(--font-display);
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--gold);
        letter-spacing: -0.02em;
    }

    .sidebar__peek-right {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .sidebar__peek-badge {
        font-family: var(--font-mono);
        font-size: 0.5rem;
        font-weight: 500;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        color: var(--muted);
        background: rgba(240, 235, 225, 0.04);
        padding: 0.2rem 0.5rem;
        border: 1px solid var(--border);
    }

    .sidebar__peek-chevron {
        font-size: 0.45rem;
        color: var(--gold);
        opacity: 0.5;
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                    opacity 0.3s ease;
        line-height: 1;
    }

    .sidebar--expanded .sidebar__peek-chevron {
        transform: rotate(180deg);
        opacity: 0.8;
    }

    .sidebar--expanded .sidebar__peek {
        opacity: 0;
        pointer-events: none;
        height: 0;
        padding: 0 1rem;
        overflow: hidden;
        transition: opacity 0.2s ease, height 0.3s ease, padding 0.3s ease;
    }

    /* ── Sheet Content ── */
    .sidebar__content {
        flex: 1;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        padding-top: 0;
        opacity: 0;
        transform: translateY(8px);
        transition: opacity 0.3s ease 0.05s,
                    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
        pointer-events: none;
    }

    .sidebar--expanded .sidebar__content {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .sidebar__balance {
        display: block;
        padding: 0.65rem 1rem;
        border-top: 1px solid var(--border);
        border-bottom: none;
    }

    .sidebar__balance-label {
        font-size: 0.5rem;
        margin-bottom: 0.15rem;
    }

    .sidebar__balance-value {
        font-size: 1.5rem;
    }

    .sidebar__nav {
        display: flex;
        flex-shrink: 0;
        padding: 0;
        border-bottom: 1px solid var(--border);
    }

    .sidebar__nav-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        padding: 0.65rem 1rem;
        text-decoration: none;
        color: var(--cream);
        transition: background 0.2s ease;
        -webkit-tap-highlight-color: transparent;
    }

    .sidebar__nav-link:active {
        background: rgba(240, 235, 225, 0.04);
    }

    .sidebar__nav-label {
        font-family: var(--font-mono);
        font-size: 0.6rem;
        font-weight: 500;
        letter-spacing: 0.15em;
        text-transform: uppercase;
        color: var(--muted);
    }

    .sidebar__nav-arrow {
        font-size: 0.75rem;
        color: var(--gold);
        opacity: 0.5;
    }

    .sidebar__section {
        padding: 0.4rem 1rem;
        border-bottom: 1px solid var(--border);
        border-top: 1px solid var(--border);
    }

    /* ── Bets List ── */
    .sidebar__bets {
        flex: 1;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        padding: 0.6rem 0.75rem;
        padding-bottom: calc(0.6rem + env(safe-area-inset-bottom, 0px));
        gap: 0.6rem;
    }

    .sidebar__empty {
        padding: 2.5rem 1rem;
    }

    /* ── Bet Cards (mobile-optimized) ── */
    .sidebar-bet {
        padding: 0.75rem 0.85rem;
    }

    .sidebar-bet__round {
        font-size: 0.9rem;
    }

    .sidebar-bet__direction {
        font-size: 0.55rem;
        padding: 0.15rem 0.45rem;
    }

    .sidebar-bet__value {
        font-size: 0.75rem;
    }

    .sidebar-bet__footer {
        padding-top: 0.5rem;
        gap: 0.5rem;
    }

    .sidebar-bet__status {
        font-size: 0.55rem;
    }

    /* Touch-friendly claim button */
    .sidebar-bet__footer .btn--sm {
        min-height: 44px;
        padding: 0.5rem 1rem;
        font-size: 0.6rem;
        gap: 0.4rem;
    }

    .sidebar-bet__footer .btn--sm .btn__arrow {
        font-size: 0.8rem;
    }

    /* ── Bet Form (mobile) ── */
    .bet-form__preset {
        min-height: 44px;
        font-size: 0.6rem;
    }

    .bet-form__btn {
        min-height: 48px;
    }

    /* ── Chart page padding for peek bar ── */
    .chart-page {
        padding-bottom: calc(var(--peek-height, 72px) + env(safe-area-inset-bottom, 0px) + 0.5rem);
    }

    .history-page {
        padding: 4rem 0.75rem 2rem;
    }
}