/* Mobile-first layout */

.screen {
    display: none;
    width: 100%;
    height: 100dvh;
    flex-direction: column;
}

.screen.active {
    display: flex;
    overflow: hidden;
}

/* ---- Login ---- */

.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 12px;
    padding: 24px;
    text-align: center;
}

.login-container h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
}

.login-container .subtitle {
    color: var(--text-dim);
    font-size: 0.85rem;
    max-width: 300px;
}

.ascii-logo {
    font-size: 0.9rem;
    color: var(--accent);
}

/* ---- Buttons ---- */

.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 0.85rem;
    font-weight: 700;
    border: 2px solid var(--text);
    background: var(--bg);
    color: var(--text);
    cursor: pointer;
}

.btn:active {
    background: var(--text);
    color: var(--bg);
}

.btn-discord {
    border-color: var(--link);
    color: var(--link);
}

.btn-discord:active {
    background: var(--link);
    color: #fff;
}

.btn-primary {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-primary:active {
    background: var(--accent);
    color: var(--bg);
}

.btn-danger {
    border-color: var(--danger);
    color: var(--danger);
}

.btn-danger:active {
    background: var(--danger);
    color: #fff;
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--text-dim);
}

.btn-icon:active {
    color: var(--text);
}

/* ---- Top Bar ---- */

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    padding-top: calc(6px + var(--safe-top));
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}

.money-display {
    display: flex;
    flex-direction: column;
}

.money-amount {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--money);
}

.money-rates {
    display: flex;
    gap: 10px;
    font-size: 0.7rem;
    color: var(--text-dim);
}

.money-rates small {
    color: var(--text-faint);
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 2px;
}

.multiplier-badge {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    padding: 2px 6px;
    border: 1px solid var(--accent);
}

/* ---- Prestige bar ---- */

.prestige-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 3px 12px;
    font-size: 0.7rem;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
}

.prestige-bonus {
    font-weight: 700;
    color: var(--accent);
}

/* ---- Stats Bar ---- */

.stats-bar {
    display: flex;
    justify-content: space-around;
    padding: 6px 12px;
    border-top: 1px solid var(--border);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1px;
}

.stat-label {
    font-size: 0.6rem;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-dim);
}

/* ---- Content Area ---- */

.content-area {
    flex: 1;
    min-height: 0;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* ---- Bottom Nav ---- */

.bottom-nav {
    flex-shrink: 0;
    display: flex;
    border-top: 1px solid var(--border);
    background: var(--bg);
    padding-bottom: var(--safe-bottom);
}

.nav-btn {
    flex: 1;
    padding: 8px 4px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-faint);
    display: flex;
    align-items: center;
    justify-content: center;
    border-right: 1px solid var(--border);
}

.nav-btn:last-child {
    border-right: none;
}

.nav-btn.active {
    color: var(--text);
    background: var(--bg-alt);
}

/* ---- Panels ---- */

.panel {
    position: absolute;
    inset: 0;
    background: var(--bg);
    z-index: 10;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.panel.hidden {
    display: none;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    padding-top: calc(8px + var(--safe-top));
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 5;
    background: var(--bg);
}

.panel-header h2 {
    font-size: 1rem;
    font-weight: 700;
}

.btn-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--text-dim);
}

/* ---- Upgrade Tabs ---- */

.upgrade-tabs, .leaderboard-tabs {
    display: flex;
    overflow-x: auto;
    gap: 0;
    border-bottom: 1px solid var(--border);
}

.tab {
    padding: 6px 12px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
    color: var(--text-faint);
    border-right: 1px solid var(--border);
}

.tab:last-child {
    border-right: none;
}

.tab.active {
    background: var(--bg-alt);
    color: var(--text);
}

/* ---- Upgrade List ---- */

.upgrade-list {
    padding: 8px 12px;
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow-y: auto;
    flex: 1;
}

.upgrade-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}

.upgrade-card.affordable {
    background: none;
}

.upgrade-card.locked {
    opacity: 0.35;
}

.upgrade-info {
    flex: 1;
    min-width: 0;
}

.upgrade-name {
    font-size: 0.8rem;
    font-weight: 700;
}

.upgrade-desc {
    font-size: 0.65rem;
    color: var(--text-faint);
    margin-top: 1px;
}

.upgrade-meta {
    display: flex;
    gap: 8px;
    margin-top: 2px;
    font-size: 0.65rem;
}

.upgrade-level {
    color: var(--text-dim);
}

.upgrade-cost {
    color: var(--money);
    font-weight: 600;
}

.btn-buy {
    padding: 4px 10px;
    border: 1px solid var(--money);
    color: var(--money);
    font-size: 0.7rem;
    font-weight: 700;
    white-space: nowrap;
    background: none;
}

.btn-buy:disabled {
    border-color: var(--text-faint);
    color: var(--text-faint);
    cursor: not-allowed;
}

.btn-buy:not(:disabled):active {
    background: var(--money);
    color: var(--bg);
}

/* ---- Prestige panel ---- */

.prestige-content {
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
}

.prestige-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.prestige-stat-label {
    font-size: 0.7rem;
    color: var(--text-faint);
    text-transform: uppercase;
}

.prestige-stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent);
}

.prestige-arrow {
    font-size: 1rem;
    color: var(--text-faint);
}

.prestige-warning {
    font-size: 0.75rem;
    color: var(--danger);
    padding: 8px;
    border: 1px solid var(--danger);
    max-width: 300px;
}

/* ---- Leaderboard ---- */

.leaderboard-list {
    padding: 0 12px;
    overflow-y: auto;
    flex: 1;
}

.lb-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.8rem;
}

.lb-rank {
    width: 28px;
    font-weight: 700;
    text-align: right;
    color: var(--text-dim);
}

.lb-rank.gold { color: var(--accent); }
.lb-rank.silver { color: var(--text-dim); }
.lb-rank.bronze { color: var(--text-dim); }

.lb-name {
    flex: 1;
    font-weight: 600;
}

.lb-earned {
    font-weight: 700;
    color: var(--money);
}

/* ---- Side Menu ---- */

.side-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 220px;
    background: var(--bg);
    z-index: 100;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border);
    transition: transform 0.2s ease;
}

.side-menu.hidden {
    transform: translateX(100%);
    display: flex !important;
}

.menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    padding-top: calc(12px + var(--safe-top));
    border-bottom: 1px solid var(--border);
}

.menu-username {
    font-weight: 700;
    color: var(--text);
}

.menu-item {
    display: block;
    padding: 10px 12px;
    font-size: 0.85rem;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
}

.menu-item:active {
    background: var(--bg-alt);
}

/* ---- Overlay ---- */

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.overlay.hidden {
    display: none;
}

.overlay-content {
    background: var(--bg);
    border: 2px solid var(--border);
    padding: 24px 20px;
    max-width: 320px;
    width: 90%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.overlay-content h2 {
    font-size: 1.1rem;
}

.idle-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--money);
}

/* ---- Toast ---- */

.toast-container {
    position: fixed;
    top: calc(50px + var(--safe-top));
    left: 50%;
    transform: translateX(-50%);
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 6px;
    pointer-events: none;
    width: 90%;
    max-width: 340px;
}

.toast {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 8px 12px;
    pointer-events: auto;
    cursor: pointer;
    animation: slideDown 0.2s ease, fadeOut 0.2s ease 4.8s forwards;
}

.toast-title {
    font-weight: 700;
    font-size: 0.8rem;
}

.toast-desc {
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-top: 2px;
}