/*
 * HyperAlert PWA — Styles
 * Dark trading dashboard, mobile-first responsive
 */

/* ── Fonts ──────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=DM+Sans:wght@400;500;600;700&display=swap');

/* ── Variables ──────────────────────────────────────────── */
:root {
    --bg-deep:      #060911;
    --bg-base:      #0a0e17;
    --bg-card:      #111827;
    --bg-card-hover:#161f33;
    --bg-elevated:  #1a2340;
    --border:       #1e293b;
    --border-light: #2d3b55;

    --text-primary:   #e8edf5;
    --text-secondary: #8494b2;
    --text-muted:     #506080;

    --accent:       #00d4aa;
    --accent-dim:   #00a88a;
    --accent-glow:  rgba(0, 212, 170, 0.15);

    --long:         #22c55e;
    --long-dim:     #16a34a;
    --long-bg:      rgba(34, 197, 94, 0.08);

    --short:        #ef4444;
    --short-dim:    #dc2626;
    --short-bg:     rgba(239, 68, 68, 0.08);

    --warning:      #f59e0b;
    --info:         #3b82f6;

    --font-mono:    'JetBrains Mono', 'Fira Code', monospace;
    --font-sans:    'DM Sans', system-ui, sans-serif;

    --radius-sm:    6px;
    --radius:       10px;
    --radius-lg:    16px;

    --safe-top:     env(safe-area-inset-top, 0px);
    --safe-bottom:  env(safe-area-inset-bottom, 0px);
}

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

html {
    font-size: 15px;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100dvh;
    padding-top: var(--safe-top);
    padding-bottom: var(--safe-bottom);
    overflow-x: hidden;
}

/* ── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }

/* ── Layout ────────────────────────────────────────────── */
.app-shell {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 16px;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

/* ── Header ────────────────────────────────────────────── */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(6, 9, 17, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
    margin: 0 -16px;
    padding-left: 16px;
    padding-right: 16px;
}

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

.header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-brand svg {
    width: 28px;
    height: 28px;
}

.header-title {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--accent);
}

.header-subtitle {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

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

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

.status-dot.offline { background: var(--short); animation: none; }
.status-dot.scanning { background: var(--warning); animation: pulse-dot 0.8s ease-in-out infinite; }

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 212, 170, 0.4); }
    50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(0, 212, 170, 0); }
}

.status-text {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* ── Controls bar ──────────────────────────────────────── */
.controls {
    display: flex;
    gap: 8px;
    padding: 12px 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.controls::-webkit-scrollbar { display: none; }

.chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}
.chip:active { transform: scale(0.96); }
.chip.active {
    background: var(--accent-glow);
    border-color: var(--accent-dim);
    color: var(--accent);
}
.chip .chip-count {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    background: var(--bg-elevated);
    padding: 1px 6px;
    border-radius: 10px;
}

/* ── Action buttons ────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.96); }
.btn-accent {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-deep);
}
.btn-accent:hover { background: var(--accent-dim); }
.btn-sm { padding: 5px 10px; font-size: 0.72rem; }

/* ── Alert cards ───────────────────────────────────────── */
.alerts-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-bottom: calc(80px + var(--safe-bottom));
}

.alert-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    transition: all 0.25s;
    animation: card-in 0.4s ease-out;
    position: relative;
    overflow: hidden;
}
.alert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
}
.alert-card.long::before { background: var(--long); }
.alert-card.short::before { background: var(--short); }
.alert-card.neutral::before { background: var(--text-muted); }

.alert-card:active {
    background: var(--bg-card-hover);
}

@keyframes card-in {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.alert-coin {
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-coin-name {
    font-family: var(--font-mono);
    font-size: 1.05rem;
    font-weight: 700;
}

.alert-direction {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.alert-direction.long {
    background: var(--long-bg);
    color: var(--long);
    border: 1px solid rgba(34, 197, 94, 0.2);
}
.alert-direction.short {
    background: var(--short-bg);
    color: var(--short);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-conviction {
    display: flex;
    align-items: center;
    gap: 4px;
}

.conviction-score {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
}
.conviction-score.high { color: var(--accent); }
.conviction-score.medium { color: var(--warning); }
.conviction-score.low { color: var(--text-muted); }

.conviction-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.alert-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.meta-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--bg-elevated);
    padding: 2px 7px;
    border-radius: 4px;
}

.alert-story {
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--text-secondary);
}

.alert-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border);
}

.alert-time {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
}

.alert-price {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
}

/* ── Conviction bar ────────────────────────────────────── */
.conviction-bar {
    height: 3px;
    background: var(--bg-elevated);
    border-radius: 3px;
    margin-top: 10px;
    overflow: hidden;
}
.conviction-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease;
}
.conviction-bar-fill.high { background: var(--accent); }
.conviction-bar-fill.medium { background: var(--warning); }
.conviction-bar-fill.low { background: var(--text-muted); }

/* ── Empty state ───────────────────────────────────────── */
.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
    gap: 12px;
}

.empty-icon {
    font-size: 3rem;
    opacity: 0.3;
}

.empty-title {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.empty-text {
    font-size: 0.82rem;
    color: var(--text-muted);
    max-width: 280px;
}

/* ── Settings panel ────────────────────────────────────── */
.settings-panel {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(6, 9, 17, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}
.settings-panel.open {
    opacity: 1;
    pointer-events: all;
}

.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.settings-title {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
}

.settings-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: none;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
}

.settings-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.settings-section {
    margin-bottom: 24px;
}

.settings-section-title {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

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

.setting-label {
    font-size: 0.85rem;
    color: var(--text-primary);
}

.setting-desc {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Toggle switch */
.toggle {
    width: 44px;
    height: 24px;
    border-radius: 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    position: relative;
    cursor: pointer;
    transition: all 0.2s;
    -webkit-tap-highlight-color: transparent;
}
.toggle.on {
    background: var(--accent);
    border-color: var(--accent);
}
.toggle::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: white;
    top: 2px;
    left: 2px;
    transition: transform 0.2s;
}
.toggle.on::after { transform: translateX(20px); }

/* ── Toast notification ────────────────────────────────── */
.toast {
    position: fixed;
    bottom: calc(20px + var(--safe-bottom));
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-elevated);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 10px 18px;
    font-size: 0.82rem;
    color: var(--text-primary);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 300;
    max-width: calc(100vw - 40px);
    text-align: center;
}
.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ── Pull-to-refresh indicator ─────────────────────────── */
.ptr-indicator {
    text-align: center;
    padding: 8px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    opacity: 0;
    transition: opacity 0.2s;
}
.ptr-indicator.visible { opacity: 1; }

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

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

.skeleton-card {
    height: 140px;
    border-radius: var(--radius);
    margin-bottom: 10px;
}

/* ── Responsive ────────────────────────────────────────── */
@media (min-width: 768px) {
    .app-shell {
        max-width: 720px;
        padding: 0 24px;
    }
    .alert-card { padding: 18px; }
    .header { padding: 16px 0; }
    html { font-size: 16px; }
}

@media (min-width: 1024px) {
    .app-shell {
        max-width: 800px;
    }
    .alerts-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
}

/* ── Dark mode only — force dark ───────────────────────── */
@media (prefers-color-scheme: light) {
    /* Keep dark theme regardless */
    :root {
        color-scheme: dark;
    }
}

/* ── Burger menu ────────────────────────────────────────── */
.btn-burger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: -8px;
}

.btn-burger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: transform 0.3s, opacity 0.3s;
}

.btn-burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.btn-burger.open span:nth-child(2) { opacity: 0; }
.btn-burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.burger-overlay {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 90;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.burger-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

.burger-nav {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
    max-width: 280px;
}

.burger-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 24px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 15px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.burger-item:hover { background: rgba(255,255,255,0.05); }
.burger-item.active { color: var(--accent); font-weight: 600; }
.burger-icon { font-size: 18px; width: 24px; text-align: center; }
.burger-divider { height: 1px; background: var(--border); margin: 8px 16px; }
.burger-link { color: var(--text-muted); font-size: 13px; }

/* ── Page system ───────────────────────────────────────── */
.page { display: none; }
.page.active { display: block; }

/* ── News page ─────────────────────────────────────────── */
.news-status {
    padding: 6px 16px;
    font-size: 11px;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.chip-news {
    padding: 5px 12px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
}
.chip-news.active {
    background: var(--accent);
    color: var(--bg-deep);
    border-color: var(--accent);
    font-weight: 600;
}
.chip-news:hover:not(.active) {
    border-color: var(--text-muted);
}

.news-list {
    padding: 0 12px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.news-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: border-color 0.15s;
    border-left: 3px solid var(--border);
}
.news-card:hover { border-color: var(--accent); }
.news-card.tier-a { border-left-color: var(--accent); }
.news-card.tier-b { border-left-color: #eab308; }
.news-card.tier-c { border-left-color: var(--border); }

.news-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.news-src {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.news-ago {
    font-size: 11px;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.news-title {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 4px;
}

.news-summary {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: 6px;
}

.news-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.news-tag {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0, 212, 170, 0.1);
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.3px;
}

.ticker-headline {
    color: var(--text-primary) !important;
    font-weight: 500;
}

/* ── Macro ticker banner ────────────────────────────────── */
.macro-banner {
    overflow: hidden;
    background: var(--bg-deep);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 6px 0;
    margin: 0 -16px;
    display: none;
}

.macro-ticker {
    display: inline-flex;
    align-items: center;
    gap: 0;
    white-space: nowrap;
    animation: ticker-scroll 40s linear infinite;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
}

.macro-ticker:hover {
    animation-play-state: paused;
}

@keyframes ticker-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.ticker-item {
    padding: 0 10px;
    color: var(--text-secondary);
}

.ticker-label {
    color: var(--text-muted);
    font-weight: 600;
}

.ticker-up { color: var(--long); }
.ticker-down { color: var(--short); }
.ticker-flat { color: var(--text-muted); }

.ticker-sep {
    color: var(--border);
    padding: 0 2px;
    font-size: 10px;
}

.ticker-risk-low { color: #22c55e; }
.ticker-risk-medium { color: #eab308; }
.ticker-risk-high { color: #f97316; }
.ticker-risk-critical { color: #ef4444; font-weight: 700; }

.ticker-event {
    color: var(--text-primary);
}

/* ── Preference coins selector ─────────────────────────── */
.pref-category {
    margin-bottom: 12px;
}

.pref-category-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.pref-coins {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.pref-coin {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 10px;
    cursor: pointer;
    transition: all 0.15s;
    font-size: 12px;
    color: var(--text-secondary);
}

.pref-coin:has(input:checked) {
    background: var(--accent-glow);
    border-color: var(--accent-dim);
    color: var(--accent);
}

.pref-coin input[type="checkbox"] {
    display: none;
}

.pref-coin span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    font-weight: 600;
}

/* ── Controls scroll for many chips ────────────────────── */
.controls {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.controls::-webkit-scrollbar {
    display: none;
}

/* ── Time filter chips ─────────────────────────────────── */
.time-controls {
    padding-top: 0;
    padding-bottom: 8px;
    gap: 6px;
    display: flex;
}

.chip-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 10px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
    -webkit-tap-highlight-color: transparent;
}

.chip-time.active {
    color: var(--accent);
    border-color: var(--accent-dim);
    background: var(--accent-glow);
}

.chip-time:hover {
    border-color: var(--border-light);
}

/* ── Time filter chips ─────────────────────────────────── */
.time-controls {
    margin-top: 0;
    padding-top: 4px;
    padding-bottom: 4px;
    gap: 6px;
}

.chip-time {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    flex-shrink: 0;
}

.chip-time:hover {
    border-color: var(--border-light);
    color: var(--text-secondary);
}

.chip-time.active {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-deep);
    font-weight: 600;
}