:root {
    color-scheme: dark;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #000;
    color: #fff;
    --app-height: 100dvh;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    overflow: hidden;
    background: #000;
}

button {
    font: inherit;
}

.display-shell {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(18rem, 1fr);
    width: 100%;
    height: var(--app-height, 100dvh);
    min-height: 100svh;
    max-height: 100vh;
    overflow: hidden;
    background: #000;
}

.timer-panel {
    position: relative;
    display: flex;
    min-width: 0;
    flex-direction: column;
    justify-content: space-between;
    padding: clamp(1rem, 3vh, 2rem) clamp(1.5rem, 3vw, 4rem);
    border-right: 1px solid #262626;
}

.event-name {
    max-width: 90%;
    margin: 0;
    overflow: hidden;
    color: #9b9b9b;
    font-size: clamp(0.82rem, 1.5vw, 1.35rem);
    font-weight: 550;
    letter-spacing: 0.04em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.timer-content {
    display: grid;
    place-items: center;
    min-height: 0;
    text-align: center;
}

.timer-label {
    margin: 0 0 clamp(0.4rem, 1vh, 0.9rem);
    color: #d6d6d6;
    font-size: clamp(1rem, 2.3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: 0.13em;
}

.timer-value {
    margin: 0;
    font-size: clamp(4.75rem, 14vw, 13.5rem);
    font-weight: 750;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.055em;
    line-height: 0.86;
    white-space: nowrap;
}

.timer-panel.is-ended .timer-label {
    color: #fff;
    font-size: clamp(1.45rem, 3.7vw, 3.7rem);
}

.timer-panel.is-ended .timer-value {
    color: #bdbdbd;
    font-size: clamp(3.7rem, 10vw, 9.5rem);
}

.display-message {
    min-height: 1.3em;
    margin: 0;
    color: #777;
    font-size: clamp(0.74rem, 1vw, 0.95rem);
}

.wake-button {
    position: absolute;
    right: clamp(1rem, 2vw, 2rem);
    bottom: clamp(0.75rem, 2vh, 1.25rem);
    padding: 0.55rem 0.8rem;
    border: 1px solid #5c5c5c;
    border-radius: 0.4rem;
    background: #000;
    color: #d7d7d7;
    cursor: pointer;
}

.wake-button:focus-visible,
.update-banner button:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 3px;
}

.activities-panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    min-width: 0;
    min-height: 0;
    padding: clamp(0.8rem, 2vh, 1.5rem) clamp(0.75rem, 1.4vw, 1.5rem);
    overflow: hidden;
    background: #000;
}

.activities-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
    padding-bottom: clamp(0.5rem, 1.2vh, 1rem);
    border-bottom: 1px solid #262626;
}

.activities-heading h1 {
    margin: 0;
    font-size: clamp(0.95rem, 1.4vw, 1.35rem);
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.activity-count {
    color: #777;
    font-size: 0.78rem;
}

.activity-list {
    min-height: 0;
    margin: 0;
    padding: clamp(0.5rem, 1vh, 0.9rem) 0;
    overflow: hidden;
    list-style: none;
    scrollbar-color: #444 transparent;
    scrollbar-width: thin;
}

.activity-list.is-scrollable {
    overflow-y: auto;
}

.activity-item {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-content: center;
    min-height: 3.75rem;
    padding: 0.58rem 0.35rem;
    border-bottom: 1px solid #1e1e1e;
}

.activity-name {
    overflow: hidden;
    font-size: clamp(0.94rem, 1.2vw, 1.25rem);
    font-weight: 650;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.activity-status {
    margin-top: 0.18rem;
    color: #a7a7a7;
    font-size: clamp(0.76rem, 0.95vw, 1rem);
    font-variant-numeric: tabular-nums;
}

.activity-item.is-now {
    border-left: 0.25rem solid #fff;
    padding-left: 0.7rem;
}

.activity-item.is-now .activity-status {
    color: #fff;
    font-weight: 750;
    text-transform: uppercase;
}

.activity-item.is-completed {
    opacity: 0.48;
}

.activity-list.density-compact .activity-item {
    min-height: 3rem;
    padding-block: 0.35rem;
}

.activity-list.density-dense .activity-item {
    min-height: 2.45rem;
    padding-block: 0.22rem;
}

.activity-list.density-dense .activity-name {
    font-size: clamp(0.82rem, 1vw, 1rem);
}

.activity-list.density-dense .activity-status {
    margin-top: 0.05rem;
    font-size: clamp(0.7rem, 0.82vw, 0.86rem);
}

.activity-list.density-minimum .activity-item {
    min-height: 2.15rem;
    padding-block: 0.12rem;
}

.activity-list.density-minimum .activity-name {
    font-size: clamp(0.78rem, 0.92vw, 0.92rem);
}

.activity-list.density-minimum .activity-status {
    margin-top: 0;
    font-size: clamp(0.67rem, 0.75vw, 0.8rem);
}

.update-banner {
    position: fixed;
    z-index: 10;
    right: 1rem;
    bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.75rem 1rem;
    border: 1px solid #555;
    border-radius: 0.5rem;
    background: #0d0d0d;
    color: #fff;
    font-size: 0.85rem;
}

.update-banner button {
    padding: 0.35rem 0.6rem;
    border: 1px solid #fff;
    border-radius: 0.3rem;
    background: #fff;
    color: #000;
    cursor: pointer;
}

@media (max-width: 840px) {
    .display-shell {
        grid-template-columns: minmax(0, 1.7fr) minmax(14rem, 1fr);
    }

    .timer-panel {
        padding-inline: 1rem;
    }

    .timer-value {
        font-size: clamp(3.1rem, 12vw, 6rem);
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        scroll-behavior: auto !important;
    }
}