/* Unix Timestamp Converter — style.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg: #0a0e1a;
    --bg2: #111827;
    --bg3: #1f2937;
    --border: #1f2937;
    --border2: rgba(99, 102, 241, 0.2);
    --text: #f0f0f8;
    --text2: #94a3b8;
    --text3: #4b5563;
    --primary: #6366f1;
    --primary2: #818cf8;
    --accent: #22d3ee;
    --green: #34d399;
    --radius: 12px;
    --t: all 0.18s ease;
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f8fafc;
        --bg2: #ffffff;
        --bg3: #f1f5f9;
        --border: #e2e8f0;
        --text: #111827;
        --text2: #4b5563;
        --text3: #9ca3af;
    }
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding-bottom: 40px;
}

.bg-glow {
    position: fixed;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(ellipse 50% 30% at 20% 5%, rgba(99, 102, 241, 0.08), transparent), radial-gradient(ellipse 40% 20% at 80% 90%, rgba(34, 211, 238, 0.05), transparent);
    z-index: 0;
}

/* Header */
header {
    background: rgba(17, 24, 39, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.brand-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.brand-sub {
    font-size: 10px;
    color: var(--text3);
}

h1.brand-title {
    display: inline;
}

.live-clock {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.live-ts {
    font-family: 'JetBrains Mono', monospace;
    font-size: 20px;
    font-weight: 600;
    color: var(--primary2);
    letter-spacing: -0.03em;
}

.live-label {
    font-size: 10px;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* Main */
main {
    max-width: 960px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    z-index: 1;
}

/* Cards */
.card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--t);
}

.card:hover {
    border-color: var(--border2);
}

.card-header {
    padding: 12px 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}

.card-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text2);
}

.card-body {
    padding: 16px 18px;
}

/* Inputs */
.inp {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    padding: 8px 12px;
    font-size: 13px;
    font-family: 'Inter', sans-serif;
    transition: var(--t);
    outline: none;
}

.inp:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.inp.mono {
    font-family: 'JetBrains Mono', monospace;
}

.inp.large {
    font-size: 18px;
    padding: 10px 14px;
}

.inp::placeholder {
    color: var(--text3);
}

.input-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.input-row .inp {
    flex: 1;
    min-width: 180px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg3);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--t);
    white-space: nowrap;
}

.btn:hover {
    border-color: var(--primary2);
    color: var(--primary2);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    font-weight: 600;
}

.btn-primary:hover {
    background: #4f46e5;
    border-color: #4f46e5;
    color: #fff;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 11px;
    border-radius: 6px;
}

/* Mode toggle */
.mode-toggle {
    display: flex;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.mode-btn {
    padding: 5px 12px;
    font-size: 11px;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    background: none;
    border: none;
    color: var(--text2);
    cursor: pointer;
    transition: var(--t);
}

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

/* Results */
.results-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-top: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.result-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-bottom: 1px solid var(--border);
    transition: var(--t);
}

.result-row:last-child {
    border-bottom: none;
}

.result-row:hover {
    background: var(--bg3);
}

.result-label {
    color: var(--text3);
    font-size: 11px;
    min-width: 90px;
    flex-shrink: 0;
}

.result-value {
    flex: 1;
    font-size: 13px;
    color: var(--text);
    font-weight: 500;
    word-break: break-all;
}

.result-value.mono {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
}

.result-value.accent {
    color: var(--accent);
}

.copy-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 5px;
    color: var(--text3);
    padding: 3px 7px;
    font-size: 11px;
    cursor: pointer;
    flex-shrink: 0;
    transition: var(--t);
}

.copy-btn:hover {
    background: var(--bg3);
    color: var(--primary2);
    border-color: var(--primary2);
}

/* Format help */
.format-help {
    font-size: 11px;
    color: var(--text3);
    margin-top: 8px;
    line-height: 1.6;
}

.format-help code {
    background: var(--bg3);
    padding: 1px 5px;
    border-radius: 4px;
    color: var(--primary2);
    font-family: 'JetBrains Mono', monospace;
}

/* TZ Grid */
.tz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 10px;
}

.tz-card {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
}

.tz-name {
    font-size: 11px;
    color: var(--text3);
    margin-bottom: 2px;
}

.tz-city {
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.tz-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    color: var(--primary2);
}

.tz-date {
    font-size: 11px;
    color: var(--text2);
    margin-top: 1px;
}

/* Quick Tools */
.quick-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 10px;
}

.quick-item {
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
}

.quick-label {
    font-size: 11px;
    color: var(--text3);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.quick-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--accent);
    word-break: break-all;
}

.quick-item .copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
}

/* Toast */
.toast-wrap {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 6px;
    pointer-events: none;
}

.toast {
    background: var(--bg2);
    border: 1px solid var(--border2);
    border-radius: 10px;
    padding: 8px 14px;
    font-size: 12px;
    color: var(--text);
    transform: translateX(20px);
    opacity: 0;
    transition: all 0.22s ease;
    pointer-events: all;
}

.toast.show {
    transform: none;
    opacity: 1;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 5px
}

::-webkit-scrollbar-track {
    background: transparent
}

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

@media(max-width:600px) {
    .header-inner {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .live-clock {
        align-items: center;
    }
}