/* =================================================================
   Stoppuhr & Timer — Swiss / Editorial
   Self-contained. Bewusst NICHT an das Site-Theme gekoppelt.
   ================================================================= */

:root {
    color-scheme: dark;

    /* Dunkel (Standard) */
    --bg: #0c0c0d;
    --bg-soft: #131315;
    --ink: #f4f4f2;
    --ink-dim: #8a8a86;
    --ink-faint: #4a4a48;
    --line: #232325;
    --line-strong: #3a3a3d;
    --accent: #ff4d2e;
    --accent-ink: #0c0c0d;
    --field: #161617;
    --field-hover: #1c1c1e;
    --shadow: rgba(0, 0, 0, 0.5);

    --maxw: 880px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --t-fast: 0.18s;
    --t: 0.34s;
    --t-slow: 0.6s;
}

[data-theme="light"] {
    color-scheme: light;
    --bg: #f4f3ef;
    --bg-soft: #eceae3;
    --ink: #16161a;
    --ink-dim: #6f6e68;
    --ink-faint: #b9b7ad;
    --line: #d9d6cc;
    --line-strong: #c4c1b5;
    --accent: #e23a1c;
    --accent-ink: #f4f3ef;
    --field: #ffffff;
    --field-hover: #fbfaf6;
    --shadow: rgba(40, 38, 30, 0.12);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    background: var(--bg);
    color: var(--ink);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
    transition: background var(--t) var(--ease), color var(--t) var(--ease);
}

/* Touch: kein Doppeltipp-Zoom / 300ms-Verzögerung auf Bedienelementen */
.btn,
.tab,
.chip,
.ti-field,
.theme-toggle,
.back {
    touch-action: manipulation;
}

/* Feines Raster im Hintergrund — editorial */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 0%, transparent 78%);
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 0%, transparent 78%);
    opacity: 0.5;
    z-index: 0;
}

.app {
    position: relative;
    z-index: 1;
    max-width: var(--maxw);
    margin: 0 auto;
    min-height: 100dvh;
    padding:
        clamp(1.1rem, 3vw, 2rem)
        max(clamp(1.1rem, 4vw, 2.4rem), env(safe-area-inset-right))
        max(2rem, env(safe-area-inset-bottom))
        max(clamp(1.1rem, 4vw, 2.4rem), env(safe-area-inset-left));
    display: flex;
    flex-direction: column;
}

/* ===================== Topbar ===================== */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: clamp(1rem, 3vw, 1.6rem);
    border-bottom: 1px solid var(--line);
}

.back,
.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--ink-dim);
    background: none;
    border: 0;
    font: inherit;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    padding: 0.4rem 0.1rem;
    transition: color var(--t-fast) var(--ease);
}

.back svg path {
    transition: transform var(--t) var(--ease);
}

.back:hover {
    color: var(--ink);
}

.back:hover svg {
    transform: translateX(-2px);
}

.wordmark {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-dim);
}

.wordmark-index {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent);
    font-weight: 500;
}

.wordmark-text {
    color: var(--ink);
    font-weight: 600;
}

.theme-toggle {
    width: 38px;
    height: 38px;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    padding: 0;
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    color: var(--ink);
    border-color: var(--line-strong);
}

.theme-toggle svg {
    position: absolute;
    transition: transform var(--t) var(--ease), opacity var(--t-fast) var(--ease);
}

.icon-moon {
    transform: translateY(0) rotate(0);
    opacity: 1;
}

.icon-sun {
    transform: translateY(140%) rotate(-90deg);
    opacity: 0;
}

[data-theme="light"] .icon-moon {
    transform: translateY(-140%) rotate(90deg);
    opacity: 0;
}

[data-theme="light"] .icon-sun {
    transform: translateY(0) rotate(0);
    opacity: 1;
}

/* ===================== Tabs ===================== */
.tabs {
    position: relative;
    display: flex;
    gap: clamp(1.4rem, 5vw, 3rem);
    padding: clamp(1.1rem, 3vw, 1.6rem) 0 0;
    margin-bottom: clamp(1.2rem, 5vw, 2.6rem);
}

.tab {
    position: relative;
    display: inline-flex;
    align-items: baseline;
    gap: 0.5rem;
    background: none;
    border: 0;
    padding: 0 0 0.9rem;
    font: inherit;
    font-size: clamp(1.05rem, 3.2vw, 1.35rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--ink-faint);
    cursor: pointer;
    transition: color var(--t) var(--ease);
}

.tab:hover {
    color: var(--ink-dim);
}

.tab.is-active {
    color: var(--ink);
}

.tab-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--ink-faint);
    transition: color var(--t) var(--ease);
}

.tab.is-active .tab-num {
    color: var(--accent);
}

.tab-indicator {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: var(--accent);
    transition: transform var(--t) var(--ease), width var(--t) var(--ease);
    will-change: transform, width;
}

/* Linie unter den Tabs */
.tabs::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: var(--line);
}

/* ===================== Stage / Panels ===================== */
.stage {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.panel {
    display: none;
    flex-direction: column;
    flex: 1;
}

.panel.is-active {
    display: flex;
    animation: panel-in var(--t-slow) var(--ease-out);
}

@keyframes panel-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================== Anzeige ===================== */
.display-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: clamp(1.5rem, 7vw, 4rem) 0 clamp(1.4rem, 5vw, 2.6rem);
}

.display {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 300;
    line-height: 0.92;
    letter-spacing: -0.04em;
    font-variant-numeric: tabular-nums;
    display: flex;
    align-items: baseline;
    color: var(--ink);
    transition: color var(--t) var(--ease);
}

.d-main {
    font-size: clamp(3.6rem, 17vw, 7.5rem);
}

.d-frac {
    font-size: clamp(1.6rem, 7vw, 3rem);
    color: var(--ink-dim);
    font-weight: 400;
    margin-left: 0.08em;
    transition: color var(--t) var(--ease);
}

.display.running .d-frac {
    color: var(--accent);
}

/* Timer-spezifisch — größere Anzeige als die Stoppuhr */
.timer-display-wrap {
    flex-direction: column;
    gap: clamp(1.2rem, 3vw, 2rem);
    width: 100%;
}

.timer-display .d-main {
    font-size: clamp(4rem, 20vw, 11rem);
}

.timer-display.is-finishing {
    animation: pulse-ink 0.9s var(--ease) infinite;
}

@keyframes pulse-ink {

    0%,
    100% {
        color: var(--ink);
    }

    50% {
        color: var(--accent);
    }
}

.timer-progress {
    width: min(100%, 520px);
    height: 2px;
    background: var(--line);
    position: relative;
    overflow: hidden;
}

.timer-progress-bar {
    position: absolute;
    inset: 0 auto 0 0;
    width: 100%;
    transform-origin: left center;
    transform: scaleX(0);
    background: var(--accent);
    transition: transform 0.2s linear;
}

/* ===================== Buttons ===================== */
.controls {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-top: 0.4rem;
}

.btn {
    position: relative;
    appearance: none;
    border: 1px solid var(--line-strong);
    background: var(--field);
    color: var(--ink);
    font: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.95rem 1.7rem;
    min-width: 8.5rem;
    border-radius: 2px;
    cursor: pointer;
    overflow: hidden;
    transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
        color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}

.btn .btn-label {
    position: relative;
    z-index: 1;
    display: inline-block;
    transition: transform var(--t-fast) var(--ease);
}

.btn:hover:not(:disabled) {
    background: var(--field-hover);
    border-color: var(--ink-faint);
}

.btn:active:not(:disabled) {
    transform: scale(0.97);
}

.btn:disabled {
    opacity: 0.34;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent);
    color: var(--accent-ink);
    border-color: var(--accent);
    min-width: 11rem;
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent);
    border-color: var(--accent);
    filter: brightness(1.08);
}

.btn-primary[data-state="running"] {
    background: var(--field);
    color: var(--ink);
    border-color: var(--ink-faint);
}

.btn-ghost {
    background: transparent;
    color: var(--ink-dim);
}

.btn-ghost:hover:not(:disabled) {
    color: var(--ink);
    background: transparent;
}

/* ===================== Runden / Laps ===================== */
.laps {
    margin-top: clamp(1.8rem, 5vw, 2.8rem);
    border-top: 1px solid var(--line);
    padding-top: 0.4rem;
}

.laps-head,
.lap {
    display: grid;
    grid-template-columns: 4.5rem 1fr 1fr;
    align-items: baseline;
    gap: 0.8rem;
    padding: 0.62rem 0.2rem;
}

.laps-head {
    font-size: 0.66rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-faint);
    border-bottom: 1px solid var(--line);
}

.lh-split,
.lh-total,
.lap .l-split,
.lap .l-total {
    text-align: right;
}

.laps-list {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 38vh;
    overflow-y: auto;
    scrollbar-width: thin;
}

.lap {
    border-bottom: 1px solid var(--line);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
    font-variant-numeric: tabular-nums;
    animation: lap-in 0.4s var(--ease-out);
}

@keyframes lap-in {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lap .l-n {
    color: var(--ink-dim);
    font-size: 0.8rem;
}

.lap .l-split {
    color: var(--ink);
}

.lap .l-total {
    color: var(--ink-dim);
}

.lap.is-fastest .l-split {
    color: var(--accent);
}

.lap.is-fastest .l-n::after {
    content: "↓";
    margin-left: 0.4rem;
    color: var(--accent);
}

.lap.is-slowest .l-split {
    color: var(--ink-dim);
    opacity: 0.7;
}

.lap.is-slowest .l-n::after {
    content: "↑";
    margin-left: 0.4rem;
    color: var(--ink-faint);
}

/* ===================== Timer-Eingabe ===================== */
.timer-setup {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(1.4rem, 4vw, 2rem);
    margin-bottom: clamp(1.6rem, 5vw, 2.4rem);
}

.time-input {
    display: flex;
    align-items: flex-start;
    gap: 0.3rem;
}

.ti-field {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    background: none;
    border: 0;
    border-bottom: 2px solid var(--line);
    padding: 0 0.4rem 0.3rem;
    cursor: text;
    font: inherit;
    color: var(--ink);
    transition: border-color var(--t-fast) var(--ease);
}

.ti-field:hover {
    border-bottom-color: var(--line-strong);
}

.ti-field.is-editing {
    border-bottom-color: var(--accent);
}

.ti-field.is-editing .ti-val {
    color: var(--accent);
}

/* Verstecktes Eingabefeld — fokussierbar (öffnet Soft-Tastatur), aber unsichtbar.
   In .timer-setup verankert, damit der Fokus die Seite nicht nach oben scrollt. */
.ti-keypad {
    position: absolute;
    top: 0;
    left: 50%;
    width: 1px;
    height: 1px;
    padding: 0;
    border: 0;
    opacity: 0;
    pointer-events: none;
    font-size: 16px;
    /* iOS zoomt bei <16px Schrift in fokussierte Felder */
}

.ti-hint {
    font-size: 0.68rem;
    letter-spacing: 0.04em;
    color: var(--ink-faint);
    text-align: center;
    margin-top: -0.6rem;
}

.ti-hint kbd {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.64rem;
    color: var(--ink-dim);
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 0.05rem 0.34rem;
}

.ti-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(2.6rem, 12vw, 5rem);
    font-weight: 300;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.ti-unit {
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-faint);
}

.ti-sep {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(2.6rem, 12vw, 5rem);
    font-weight: 300;
    color: var(--ink-faint);
    line-height: 1;
}

.presets {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.chip {
    background: none;
    border: 1px solid var(--line);
    color: var(--ink-dim);
    font: inherit;
    font-size: 0.74rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    padding: 0.45rem 0.9rem;
    border-radius: 100px;
    cursor: pointer;
    transition: all var(--t-fast) var(--ease);
}

.chip:hover {
    color: var(--ink);
    border-color: var(--ink-faint);
}

.chip.is-active {
    color: var(--accent-ink);
    background: var(--accent);
    border-color: var(--accent);
}

/* Setup und Ablauf übereinander stapeln -> stabile Höhe, kein Layout-Sprung */
.timer-swap {
    display: grid;
    align-items: center;
}

.timer-swap > * {
    grid-area: 1 / 1;
    transition: opacity var(--t) var(--ease), transform var(--t) var(--ease);
}

/* Inaktive Ansicht ausblenden (bleibt im Fluss -> Höhe stabil) */
.panel:not(.tm-running) .timer-display-wrap {
    opacity: 0;
    transform: scale(0.96);
    pointer-events: none;
}

.panel.tm-running .timer-setup {
    opacity: 0;
    transform: scale(1.04);
    pointer-events: none;
}

/* ===================== Hints ===================== */
.hints {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.1rem;
    justify-content: center;
    align-items: center;
    margin-top: clamp(1.6rem, 5vw, 2.6rem);
    padding-top: 1.2rem;
    border-top: 1px solid var(--line);
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    color: var(--ink-faint);
}

.hints kbd {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.66rem;
    color: var(--ink-dim);
    background: var(--field);
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 0.12rem 0.42rem;
    margin-right: 0.3rem;
}

/* ===================== Timer-Ende-Overlay ===================== */
.ring-overlay[hidden] {
    display: none;
}

.ring-overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: center;
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    animation: fade-in var(--t) var(--ease);
}

@keyframes fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.ring-card {
    text-align: center;
    padding: clamp(2rem, 6vw, 3.4rem);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    animation: card-pop var(--t-slow) var(--ease-out);
}

@keyframes card-pop {
    from {
        opacity: 0;
        transform: scale(0.94) translateY(12px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.ring-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(4rem, 17vw, 9rem);
    font-weight: 300;
    letter-spacing: -0.04em;
    color: var(--accent);
    animation: pulse-soft 1s var(--ease) infinite;
}

@keyframes pulse-soft {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.45;
    }
}

.ring-msg {
    font-size: 0.82rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-dim);
    margin-bottom: 0.6rem;
}

/* ===================== Responsive ===================== */
@media (max-width: 480px) {
    .wordmark-text {
        display: none;
    }

    .btn {
        min-width: 0;
        flex: 1;
        padding: 0.9rem 0.8rem;
    }

    .btn-primary {
        min-width: 0;
        flex: 1.4;
    }

    .hints {
        font-size: 0.64rem;
        gap: 0.4rem 0.7rem;
    }

    /* H:MM:SS (ab 1 h) darf bei schmalen Screens nicht abgeschnitten werden */
    .d-main {
        font-size: clamp(3rem, 15vw, 7.5rem);
    }

    .timer-display .d-main {
        font-size: clamp(3.4rem, 17vw, 11rem);
    }
}

/* ===================== Touch-Geräte ===================== */
@media (hover: none) and (pointer: coarse) {
    /* Tastatur-Shortcuts sind auf dem Handy nutzlos */
    .hints {
        display: none;
    }
}

@media (pointer: coarse) {
    /* Größere, gut tippbare Ziele */
    .theme-toggle {
        width: 42px;
        height: 42px;
    }

    .tab {
        padding-top: 0.4rem;
    }

    .chip {
        min-height: 40px;
        padding: 0.6rem 1rem;
    }
}

/* ===================== Reduced Motion ===================== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }

    .tab-indicator {
        transition: none;
    }
}