/**
 * Clock App Styles
 *
 * BEM-ish, design-token driven, mobile-first.
 * App-scoped custom properties are declared inside .clock-app only.
 */

/* ========================================
   App-scoped dimensions (spec-mandated sizes)
   ======================================== */
.clock-app {
    --clock-time-hero: clamp(2.5rem, 10vw, 4.5rem);
    --clock-time-ring: clamp(2rem, 6vw, 3rem);
    --clock-time-watch: clamp(2.5rem, 8vw, 4rem);
    --clock-ring-size: clamp(200px, 30vw, 240px);
    --clock-ring-stroke: 8px;
    --clock-nav-width: 232px;
    --clock-tabbar-h: 56px;
    --clock-lap-max-h: 280px;
}

.clock-app {
    max-width: var(--app-container-max);
    margin: 0 auto;
    display: grid;
    gap: var(--space-4);
}

.clock-app h1 {
    margin-bottom: var(--space-1);
}

.clock-app .app-description {
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

/* ========================================
   Shell: sidebar (desktop) + stage
   ======================================== */
.clock-shell {
    display: grid;
    gap: var(--space-4);
    grid-template-columns: 1fr;
}

.clock-nav {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.clock-nav__inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-4);
}

.clock-nav__list {
    list-style: none;
    display: grid;
    gap: var(--space-2);
}

.clock-nav__link {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-height: 44px;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.clock-nav__link:hover {
    background: var(--color-bg-alt);
    color: var(--color-text);
}

.clock-nav__link:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.clock-nav__link[aria-current="true"] {
    background: var(--color-bg-alt);
    color: var(--color-text);
    font-weight: 600;
}

.clock-nav__link[aria-current="true"]::before {
    content: "";
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    border-radius: var(--radius-full);
    background: var(--color-primary);
}

.clock-nav__icon {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex: 0 0 auto;
}

.clock-stage {
    display: grid;
    gap: var(--space-4);
}

.clock-view {
    display: none;
}

.clock-view.is-active {
    display: block;
}

/* ========================================
   Mode card
   ======================================== */
.clock-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-4);
    display: grid;
    gap: var(--space-4);
    align-items: start;
    justify-items: center;
}

.clock-card__title {
    align-self: start;
    justify-self: start;
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin: 0;
}

.clock-section-label {
    align-self: start;
    justify-self: start;
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0;
}

/* ========================================
   Settings row
   ======================================== */
.clock-settings {
    display: grid;
    gap: var(--space-2);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-4);
}

.clock-settings__row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-height: 44px;
}

.clock-settings__icon {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    color: var(--color-text-muted);
    flex: 0 0 auto;
}

.clock-settings__label {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    flex: 1 1 auto;
}

.clock-settings__danger {
    background: none;
    border: none;
    cursor: pointer;
    font: inherit;
    font-size: var(--font-size-sm);
    color: var(--color-error-text);
    padding: var(--space-2);
    min-height: 44px;
    border-radius: var(--radius-md);
}

.clock-settings__danger:hover {
    background: var(--color-bg-alt);
    text-decoration: underline;
}

.clock-settings__danger:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

/* ========================================
   Toggle switch
   ======================================== */
.clock-switch {
    position: relative;
    width: 44px;
    height: 24px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border-dark);
    background: var(--color-border-dark);
    cursor: pointer;
    padding: 0;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
    flex: 0 0 auto;
}

.clock-switch__knob {
    position: absolute;
    top: 50%;
    left: 3px;
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    background: var(--color-text-inverse);
    transform: translateY(-50%);
    transition: transform var(--transition-fast);
}

.clock-switch[aria-checked="true"] {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.clock-switch[aria-checked="true"] .clock-switch__knob {
    transform: translate(20px, -50%);
}

/* Brief §5: hover = knob scales 1.05 (both on/off states). */
.clock-switch:hover .clock-switch__knob {
    transform: translateY(-50%) scale(1.05);
}

.clock-switch:hover[aria-checked="true"] .clock-switch__knob {
    transform: translate(20px, -50%) scale(1.05);
}

.clock-switch:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

/* ========================================
   Clock mode (hero time)
   ======================================== */
.clock-hero-time {
    font-size: var(--clock-time-hero);
    font-weight: 300;
    line-height: var(--line-height-tight);
    font-variant-numeric: tabular-nums;
    color: var(--color-text);
    text-align: center;
    width: 100%;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-2);
}

.clock-hero-time__main {
    display: inline-block;
}

.clock-hero-time__ampm {
    font-size: 0.32em;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
    line-height: 1;
    padding-bottom: 0.12em;
}

.clock-hero-date {
    font-size: var(--font-size-lg);
    color: var(--color-text);
    text-align: center;
    width: 100%;
}

.clock-hero-meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-align: center;
    width: 100%;
}

.clock-hero-meta-sep {
    margin: 0 var(--space-2);
}

/* ========================================
   Progress ring
   ======================================== */
.clock-ring-wrap {
    position: relative;
    width: var(--clock-ring-size);
    height: var(--clock-ring-size);
}

.clock-ring {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.clock-ring__track {
    fill: none;
    stroke: var(--color-border);
    stroke-width: var(--clock-ring-stroke);
}

.clock-ring__progress {
    fill: none;
    stroke: var(--color-primary);
    stroke-width: var(--clock-ring-stroke);
    stroke-linecap: round;
    stroke-dasharray: 552.92;
    stroke-dashoffset: 552.92;
    transition: stroke-dashoffset 1s linear, stroke var(--transition-base);
}

.clock-ring__dot {
    fill: var(--color-primary);
    stroke: none;
    transform-origin: 100px 100px;
    transition: fill var(--transition-base);
}

.clock-ring.is-paused .clock-ring__progress,
.clock-ring.is-paused .clock-ring__dot {
    stroke: var(--color-border-dark);
    fill: var(--color-border-dark);
}

.clock-ring.is-paused .clock-ring__progress {
    transition: none;
}

.clock-ring.is-empty .clock-ring__progress {
    stroke: transparent;
}

.clock-ring.is-empty .clock-ring__dot {
    fill: transparent;
}

.clock-ring--success .clock-ring__progress,
.clock-ring--success .clock-ring__dot {
    stroke: var(--color-success);
    fill: var(--color-success);
}

.clock-ring--longbreak .clock-ring__progress,
.clock-ring--longbreak .clock-ring__dot {
    stroke: var(--color-primary-light);
    fill: var(--color-primary-light);
}

.clock-ring-time {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--clock-time-ring);
    font-weight: 300;
    font-variant-numeric: tabular-nums;
    line-height: var(--line-height-tight);
    color: var(--color-text);
    pointer-events: none;
}

/* ========================================
   Focus mode
   ======================================== */
.clock-focus-head {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    justify-content: center;
}

.clock-focus-phase {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
}

.clock-pill {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.clock-steppers {
    display: grid;
    gap: var(--space-3);
    width: 100%;
}

.clock-stepper {
    display: grid;
    gap: var(--space-2);
}

.clock-stepper__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.clock-stepper__row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.clock-stepper__value {
    font-size: var(--font-size-base);
    font-variant-numeric: tabular-nums;
    min-width: 48px;
    text-align: center;
}

.clock-icon-btn {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.clock-icon-btn svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.clock-icon-btn:hover {
    border-color: var(--color-border-dark);
}

.clock-icon-btn:active {
    transform: scale(0.98);
}

.clock-icon-btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.clock-icon-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ========================================
   Buttons
   ======================================== */
.clock-controls {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
}

.clock-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 44px;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.clock-btn:active {
    transform: scale(0.98);
}

.clock-btn:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.clock-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.clock-btn--primary {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.clock-btn--primary:hover {
    background: var(--color-primary-dark);
}

.clock-btn--secondary {
    background: var(--color-bg-alt);
    border-color: var(--color-border);
    color: var(--color-text);
}

.clock-btn--secondary:hover {
    border-color: var(--color-border-dark);
}

.clock-btn--danger {
    background: var(--color-error);
    color: var(--color-text-inverse);
}

.clock-btn--danger:hover {
    filter: brightness(0.92);
}

.clock-btn--wide {
    flex: 1 1 auto;
}

.clock-btn__icon {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ========================================
   Timer: presets + H/M/S
   ======================================== */
.clock-presets {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
}

.clock-chip {
    min-height: 44px;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    background: var(--color-bg-alt);
    color: var(--color-text);
    font: inherit;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.clock-chip:hover {
    border-color: var(--color-border-dark);
}

.clock-chip:active {
    transform: scale(0.98);
}

.clock-chip:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.clock-chip.is-selected {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.clock-hms {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: var(--space-2);
    width: 100%;
}

.clock-hms__field {
    display: grid;
    gap: var(--space-1);
    justify-items: center;
}

.clock-hms__label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.clock-hms__colon {
    font-size: var(--font-size-2xl);
    color: var(--color-text-muted);
    line-height: 1;
    padding-bottom: var(--space-3);
}

.clock-input {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font: inherit;
    font-variant-numeric: tabular-nums;
    padding: var(--space-2) var(--space-3);
    min-height: 44px;
    text-align: center;
}

.clock-hms__input {
    width: 72px;
}

.clock-input:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

.clock-error {
    color: var(--color-error-text);
    font-size: var(--font-size-sm);
    text-align: center;
    width: 100%;
}

/* ========================================
   Alarm mode
   ======================================== */
.clock-alarm-add {
    display: grid;
    gap: var(--space-3);
    width: 100%;
}

.clock-alarm-add__row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: flex-end;
    justify-content: space-between;
}

.clock-alarm-time {
    display: flex;
    align-items: flex-end;
    gap: var(--space-2);
}

.clock-alarm-time__input {
    width: 64px;
}

.clock-alarm-add__label {
    display: grid;
    gap: var(--space-1);
    flex: 1 1 200px;
}

.clock-alarm-add__label .clock-input {
    text-align: left;
    width: 100%;
}

.clock-days {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.clock-days__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.clock-days__chips {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.clock-daychip {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg-alt);
    color: var(--color-text);
    font: inherit;
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.clock-daychip:hover {
    border-color: var(--color-border-dark);
}

.clock-daychip:active {
    transform: scale(0.98);
}

.clock-daychip:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.clock-daychip[aria-pressed="true"] {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.clock-alarm-list {
    display: grid;
    gap: var(--space-3);
    width: 100%;
}

.clock-alarms {
    list-style: none;
    display: grid;
}

.clock-alarm {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--space-3);
    min-height: 56px;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border);
}

.clock-alarm.is-disabled {
    opacity: 0.6;
}

.clock-alarm.is-firing {
    background: var(--color-bg-alt);
}

.clock-alarm__time {
    font-size: var(--font-size-2xl);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

.clock-alarm.is-disabled .clock-alarm__time {
    color: var(--color-text-muted);
}

.clock-alarm.is-firing .clock-alarm__time {
    color: var(--color-primary);
}

.clock-alarm__info {
    display: grid;
    gap: var(--space-1);
    min-width: 0;
}

.clock-alarm__label {
    font-size: var(--font-size-base);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.clock-alarm__days {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.clock-alarm__controls {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
    justify-content: flex-end;
}

.clock-alarm__toggle {
    margin-right: var(--space-2);
}

.clock-empty {
    color: var(--color-text-muted);
    padding: var(--space-6);
    width: 100%;
    text-align: center;
}

/* ========================================
   Stopwatch mode
   ======================================== */
.clock-watch-time {
    font-size: var(--clock-time-watch);
    font-weight: 300;
    font-variant-numeric: tabular-nums;
    line-height: var(--line-height-tight);
    color: var(--color-text);
    text-align: center;
    width: 100%;
}

.clock-watch-cc {
    font-size: 0.4em;
    color: var(--color-text-muted);
}

.clock-laps {
    display: grid;
    gap: var(--space-3);
    width: 100%;
}

.clock-laps-wrap {
    max-height: var(--clock-lap-max-h);
    overflow-y: auto;
}

.clock-lap-table {
    width: 100%;
    border-collapse: collapse;
    font-variant-numeric: tabular-nums;
}

.clock-lap-table th,
.clock-lap-table td {
    text-align: left;
    padding: var(--space-2) var(--space-3);
    min-height: 44px;
    border-bottom: 1px solid var(--color-border);
}

.clock-lap-table thead th {
    position: sticky;
    top: 0;
    background: var(--color-bg-alt);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    z-index: 1;
}

.clock-lap-table td {
    font-size: var(--font-size-base);
}

.clock-lap-table .is-best {
    color: var(--color-success-text);
    font-weight: 600;
}

.clock-lap-table .is-worst {
    color: var(--color-warning-text);
    font-weight: 600;
}

.clock-lap-badge {
    display: inline-block;
    margin-left: var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* ========================================
   World clock mode
   ======================================== */
.clock-search {
    display: grid;
    gap: var(--space-2);
    width: 100%;
    position: relative;
}

.clock-search__field {
    position: relative;
}

.clock-search__icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    fill: none;
    stroke: var(--color-text-muted);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    pointer-events: none;
}

.clock-search__input {
    width: 100%;
    padding-left: var(--space-8);
    min-height: 44px;
    background: var(--color-bg-alt);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font: inherit;
    font-variant-numeric: tabular-nums;
    transition: border-color var(--transition-fast);
}

.clock-search__input:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

.clock-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    width: 100%;
}

.clock-search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 20;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    list-style: none;
    margin-top: var(--space-1);
    max-height: 280px;
    overflow-y: auto;
}

.clock-search-results__option {
    padding: var(--space-2) var(--space-3);
    cursor: pointer;
    font-size: var(--font-size-base);
    border-bottom: 1px solid var(--color-border);
}

.clock-search-results__option:last-child {
    border-bottom: none;
}

.clock-search-results__option.is-active {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.clock-search-results__zone {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-left: var(--space-2);
}

.clock-search-results__option.is-active .clock-search-results__zone {
    color: var(--color-text-inverse);
}

.clock-world-actions {
    width: 100%;
    display: flex;
    justify-content: flex-end;
}

.clock-cities {
    list-style: none;
    display: grid;
    gap: var(--space-4);
    grid-template-columns: 1fr;
    width: 100%;
}

.clock-city {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-4);
    display: grid;
    gap: var(--space-2);
    transition: border-color var(--transition-fast);
}

.clock-city:hover {
    border-color: var(--color-border-dark);
}

.clock-city__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.clock-city__name {
    font-size: var(--font-size-lg);
    font-weight: 600;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.clock-city__daynight {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    flex: 0 0 auto;
}

.clock-city__daynight svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.clock-city__time {
    font-size: var(--font-size-3xl);
    font-weight: 300;
    font-variant-numeric: tabular-nums;
    line-height: var(--line-height-tight);
}

.clock-city__foot {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.clock-city__offset {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    flex: 1 1 auto;
}

.clock-city__actions {
    display: flex;
    gap: var(--space-1);
}

.clock-city__actions .clock-icon-btn {
    width: 44px;
    height: 44px;
}

/* ========================================
   Alert + confirm overlay
   ======================================== */
.clock-overlay {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: var(--color-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.clock-overlay[hidden] {
    display: none;
}

.clock-overlay__card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 420px;
    width: 100%;
    padding: var(--space-6);
    display: grid;
    gap: var(--space-4);
    justify-items: center;
    text-align: center;
}

.clock-overlay__card--narrow {
    max-width: 360px;
}

.clock-overlay__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.clock-overlay__icon svg {
    width: 48px;
    height: 48px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.clock-overlay__title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin: 0;
}

.clock-overlay__desc {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin: 0;
}

.clock-overlay__alarms {
    list-style: none;
    display: grid;
    gap: var(--space-1);
    width: 100%;
}

.clock-overlay__alarms li {
    font-variant-numeric: tabular-nums;
}

.clock-overlay__stop {
    width: 100%;
}

.clock-overlay__row {
    display: flex;
    gap: var(--space-3);
    width: 100%;
}

.clock-overlay__row .clock-btn {
    flex: 1 1 auto;
}

/* ========================================
   Desktop layout (>=768px)
   ======================================== */
@media (min-width: 768px) {
    .clock-shell {
        grid-template-columns: var(--clock-nav-width) 1fr;
        align-items: stretch;
    }

    .clock-nav__inner {
        height: 100%;
    }

    .clock-card {
        padding: var(--space-6);
    }

    .clock-cities {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }

    .clock-alarm {
        grid-template-columns: auto 1fr auto;
    }
}

/* ========================================
   Mobile: bottom tab bar
   ======================================== */
@media (max-width: 767px) {
    .clock-app {
        padding-bottom: calc(var(--clock-tabbar-h) + env(safe-area-inset-bottom, 0px) + var(--space-4));
    }

    .clock-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 50;
        border-radius: 0;
        border-left: none;
        border-right: none;
        border-bottom: none;
        border-top: 1px solid var(--color-border);
        box-shadow: var(--shadow-sm);
    }

    .clock-nav__inner {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 0;
        padding: 0;
        height: calc(var(--clock-tabbar-h) + env(safe-area-inset-bottom, 0px));
        align-items: stretch;
    }

    .clock-nav__list {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 0;
    }

    .clock-nav__link {
        flex-direction: column;
        justify-content: center;
        gap: var(--space-1);
        padding: var(--space-2) 0;
        min-height: calc(var(--clock-tabbar-h) + env(safe-area-inset-bottom, 0px));
        border-radius: 0;
        font-size: var(--font-size-xs);
        text-align: center;
    }

    .clock-nav__link[aria-current="true"]::before {
        left: 0;
        right: 0;
        top: 0;
        bottom: auto;
        transform: none;
        width: 100%;
        height: 3px;
    }

    /* Settings strip: pinned just above the bottom tab bar.
       Two compact rows (toggles, then reset) so labels stay single-line
       and the strip has a deterministic height at 375px. */
    .clock-nav {
        z-index: 60;
    }

    .clock-app {
        --clock-mobsettings-h: 92px;
    }

    .clock-settings {
        position: fixed;
        left: 0;
        right: 0;
        z-index: 55;
        bottom: calc(var(--clock-tabbar-h) + env(safe-area-inset-bottom, 0px));
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0 var(--space-3);
        align-items: center;
        background: var(--color-bg-card);
        border-top: 1px solid var(--color-border);
        padding: var(--space-1) var(--space-3);
    }

    .clock-settings__row {
        gap: var(--space-2);
        min-height: 40px;
        min-width: 0;
    }

    .clock-settings__row:last-child {
        grid-column: 1 / -1;
    }

    .clock-settings__icon {
        width: 18px;
        height: 18px;
    }

    .clock-settings__label {
        font-size: var(--font-size-xs);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .clock-settings__danger {
        min-height: 32px;
        font-size: var(--font-size-xs);
        text-align: left;
        justify-self: start;
    }

    .clock-app {
        padding-bottom: calc(var(--clock-tabbar-h) + var(--clock-mobsettings-h) + env(safe-area-inset-bottom, 0px) + var(--space-4));
    }
}

/* Respect reduced motion: disable ring transition + flash */
@media (prefers-reduced-motion: reduce) {
    .clock-ring__progress {
        transition: none;
    }

    .clock-ring__dot,
    .clock-switch__knob,
    .clock-btn,
    .clock-chip,
    .clock-daychip,
    .clock-icon-btn {
        transition: none;
    }
}