@charset "UTF-8";

/* === Reset & Custom Properties === */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #0d0d1a;
    --surface: rgba(255, 255, 255, 0.05);
    --surface-high: rgba(255, 255, 255, 0.09);
    --border: rgba(255, 255, 255, 0.10);
    --border-focus: rgba(124, 111, 255, 0.6);
    --text: #f0f0f5;
    --text-muted: #7878a0;
    --accent: #7c6fff;
    --accent-dim: rgba(124, 111, 255, 0.15);
    --accent-glow: rgba(124, 111, 255, 0.45);
    --green: #00d68f;
    --green-dim: rgba(0, 214, 143, 0.15);
    --green-glow: rgba(0, 214, 143, 0.35);
    --amber: #ffaa44;
    --amber-dim: rgba(255, 170, 68, 0.15);
    --amber-glow: rgba(255, 170, 68, 0.35);
    --red: #ff6b6b;
    --red-dim: rgba(255, 107, 107, 0.15);
    --red-glow: rgba(255, 107, 107, 0.4);
    --mono: 'Share Tech Mono', monospace;
    --sans: 'Inter', sans-serif;
    --radius-card: 22px;
    --radius-btn: 12px;
    /* theme-switchable tokens */
    --display-color: #ffffff;
    --display-running-color: #ccc8ff;
    --h1-start: #ffffff;
    --overlay-bg: rgba(13, 13, 26, 0.75);
    --desc-h3: #c0c0d8;
    --warning-color: #ffcf96;
    --warning-glow: rgba(255, 207, 150, 0.5);
}

/* === Light Theme === */
[data-theme="light"] {
    --bg: #f0f0f8;
    --surface: rgba(0, 0, 0, 0.04);
    --surface-high: rgba(0, 0, 0, 0.08);
    --border: rgba(0, 0, 0, 0.11);
    --text: #111118;
    --text-muted: #60608a;
    --accent: #5b4fff;
    --accent-dim: rgba(91, 79, 255, 0.1);
    --accent-glow: rgba(91, 79, 255, 0.28);
    --green-glow: rgba(0, 180, 120, 0.3);
    --amber-glow: rgba(200, 130, 0, 0.28);
    --red-glow: rgba(210, 50, 50, 0.28);
    --display-color: #111118;
    --display-running-color: #3a2fff;
    --h1-start: #111118;
    --overlay-bg: rgba(230, 230, 248, 0.9);
    --desc-h3: #444468;
    --warning-color: #ff6b00;
    --warning-glow: rgba(255, 107, 0, 0.38);
}

[data-theme="light"] body {
    background-image:
        radial-gradient(ellipse 70% 50% at 15% 40%, rgba(91, 79, 255, 0.06) 0%, transparent 100%),
        radial-gradient(ellipse 60% 40% at 85% 15%, rgba(0, 180, 120, 0.04) 0%, transparent 100%);
}

[data-theme="light"] .alarm-title {
    color: #111118;
    text-shadow: 0 0 20px var(--red);
}

[data-theme="light"] #ok-btn {
    background: #111118;
    color: #fff;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
}

[data-theme="light"] #ok-btn:hover {
    box-shadow: 0 6px 32px rgba(0, 0, 0, 0.25);
}

html {
    scroll-behavior: smooth;
}

html[dir="rtl"],
body[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

body {
    font-family: var(--sans);
    background-color: var(--bg);
    background-image:
        radial-gradient(ellipse 70% 50% at 15% 40%, rgba(124, 111, 255, 0.07) 0%, transparent 100%),
        radial-gradient(ellipse 60% 40% at 85% 15%, rgba(0, 214, 143, 0.05) 0%, transparent 100%);
    color: var(--text);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

/* === Page Wrapper === */
.wrapper {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 16px;
    width: 100%;
}

/* === Theme Toggle Button === */
.theme-toggle {
    position: absolute;
    top: 36px;
    right: 0;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: 999px;
    padding: 6px 13px;
    font-size: 1.125rem;
    line-height: 1;
    cursor: pointer;
    color: var(--text-muted);
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.theme-toggle:hover {
    background: var(--surface-high);
    border-color: var(--accent);
    color: var(--text);
}

/* === Header === */
header {
    position: relative;
    padding: 36px 0 12px;
    text-align: center;
}

header h1 {
    font-size: clamp(1.725rem, 5vw, 2.525rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(130deg, var(--h1-start) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

header .tagline {
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 0.925rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

/* === Page Nav === */
.page-nav {
    display: flex;
    justify-content: center;
    gap: 6px;
    flex-wrap: wrap;
    padding: 14px 0 8px;
}

.page-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.945rem;
    padding: 5px 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
    white-space: nowrap;
}

.page-nav a:hover,
.page-nav a[aria-current="page"] {
    color: var(--text);
    border-color: var(--accent);
    background: var(--accent-dim);
}

/* === Ad === */
.ad-wrap {
    margin: 20px 0;
    text-align: center;
}

.ad-wrap .adsbygoogle {
    display: block;
}

/* === Timer Card === */
.timer-card {
    position: relative;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 32px 28px 28px;
    margin: 8px 0 20px;
}

/* subtle top-left glow inside card */
.timer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60%;
    height: 60%;
    background: radial-gradient(ellipse at 0% 0%, rgba(124, 111, 255, 0.08), transparent 70%);
    pointer-events: none;
}

/* === Keyboard Hint === */
.kbd-hint {
    text-align: center;
    margin-top: 14px;
    color: var(--text-muted);
    font-size: 0.845rem;
    letter-spacing: 0.04em;
}

.kbd-hint kbd {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 1px 7px;
    font-family: var(--mono);
    font-size: 0.845rem;
}

/* === Description === */
.description {
    padding-bottom: 12px;
}

.description h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--accent);
    margin: 28px 0 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.description h2::before {
    content: '';
    display: block;
    width: 3px;
    height: 1em;
    background: var(--accent);
    border-radius: 2px;
    flex-shrink: 0;
}

.description h3 {
    font-size: 1.025rem;
    font-weight: 600;
    margin: 18px 0 6px;
    color: var(--desc-h3);
}

.description p {
    color: var(--text-muted);
    line-height: 1.75;
    font-size: 1rem;
}

.description p+p {
    margin-top: 8px;
}

.description a {
    color: var(--accent);
    text-decoration: none;
}

.description a:hover {
    text-decoration: underline;
}

.description kbd {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 6px;
    font-family: var(--mono);
    font-size: 0.8em;
}

/* === Preset Chips === */
.presets {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 14px 0 0;
}

.preset-chip {
    padding: 7px 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--text-muted);
    font-size: 0.945rem;
    cursor: pointer;
    transition: all 0.15s;
}

.preset-chip:hover {
    border-color: var(--accent);
    color: var(--text);
    background: var(--accent-dim);
}

/* === Footer === */
footer {
    margin-top: auto;
    border-top: 1px solid var(--border);
    padding: 20px 0 24px;
    text-align: center;
}

footer .footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

footer a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.945rem;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--text);
}

footer p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-lang {
    text-align: center;
    padding: 12px 0;
}

.hidden {
    display: none !important;
}

/* === Responsive === */
@media (max-width: 480px) {
    header {
        padding: 24px 0 8px;
    }

    .timer-card {
        padding: 24px 16px 22px;
        border-radius: 18px;
    }

    .add-btn {
        font-size: 0.88rem;
        padding: 11px 4px;
    }

    .ctrl-btn {
        min-width: 96px;
        padding: 13px 20px;
        font-size: 0.88rem;
    }

    .presets {
        justify-content: center;
    }
}

@media (min-width: 600px) {
    .add-btn {
        max-width: 180px;
    }

    .ctrl-btn {
        min-width: 130px;
    }
}