body {
    position: relative;
    margin: 8px;
    background: #f5f6f8;
}

body::before {
    content: "";
    position: fixed;
    top: 72px;
    left: 50%;
    width: min(520px, calc(100vw - 64px));
    aspect-ratio: 1 / 1;
    transform: translateX(-50%);
    background: url("images/logo-watermark.png") center / contain no-repeat;
    opacity: 0.12;
    pointer-events: none;
    z-index: 0;
}

:root {
    --content-max-width: 900px;
}

.sessions {
    width: 100%;
    max-width: var(--content-max-width);
    margin: 0 auto;
    font-family: Arial, sans-serif;
    font-size: 20px; /* increased from 18px */
}

#gp {
    font-size: clamp(14px, 3.8vw, 22px);
    line-height: 1.1;
    margin: 0;
}

.page-header {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    max-width: var(--content-max-width);
    margin: 148px auto 10px;
}

#timezone {
    margin: 10px 0 8px;
    font-size: clamp(13px, 3.2vw, 16px);
    font-weight: 600;
    color: #4b5563;
}

#swipeHint {
    margin: 0 0 10px;
    font-size: clamp(12px, 3vw, 15px);
    color: #6b7280;
}

.desktop-controls {
    display: flex;
    gap: 12px;
    margin: 0 0 16px;
}

.event-control {
    appearance: none;
    background: transparent;
    border: 1px solid #cbd5f5;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: clamp(12px, 3vw, 15px);
    font-weight: 600;
    color: #374151;
    cursor: pointer;
}

.event-control:hover {
    color: #111827;
    border-color: #9ca3af;
}

.event-control:focus-visible {
    outline: 2px solid #9ca3af;
    outline-offset: 2px;
}

@media (max-width: 600px) {
    .desktop-controls {
        display: none;
    }
}

.page-footer {
    width: 100%;
    max-width: var(--content-max-width);
    margin: 28px auto 24px;
    font-size: clamp(13px, 3.2vw, 16px);
    color: #4b5563;
    line-height: 1.45;
}

@media (min-width: 601px) {
    #swipeHint {
        display: none;
    }

    .desktop-controls {
        margin-top: 18px;
    }
}

.page-footer p {
    margin: 0;
}

#refreshStatus {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
}

#refreshIndicator {
    display: inline-block;
    font-size: 22px;
    font-weight: 600;
    color: #9ca3af;
    opacity: 0.45;
    transition: opacity 180ms ease;
}

#refreshIndicator.is-refreshing {
    opacity: 0.75;
    animation: refresh-spin 550ms ease-out;
}

@keyframes refresh-spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 600px) {
    body::before {
        display: none;
    }

    .page-header {
        margin-top: 24px;
    }

    #refreshIndicator {
        font-size: 20px;
    }
}

/* Shared content width */
.page-header,
.sessions,
#timezone,
#swipeHint,
.desktop-controls,
.page-footer {
    position: relative;
    width: 100%;
    max-width: var(--content-max-width);
    margin-left: auto;
    margin-right: auto;
}

.session-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 18px 22px; /* slightly more breathing room */
    border-bottom: 1px solid #ddd;
    align-items: center;
}

.session-name {
    font-weight: bold;
    font-size: 22px; /* increased */
}

.session-countdown {
    text-align: left;
    font-size: 20px;
}

.session-time {
    text-align: left;
    font-size: 20px;
}

/* Mobile layout */
@media (max-width: 600px) {

    .sessions {
        font-size: clamp(14px, 3.5vw, 17px);
    }

    .session-row {
        grid-template-columns: 1fr 1fr;
        grid-template-areas:
            "name name"
            "countdown localstart";
        row-gap: 2px;
        column-gap: 8px;
        padding: 10px 12px;
        border: 1px solid #e6e6e6;
        margin-bottom: 8px;
        border-radius: 6px;
        background: #fff;
    }

    .session-name {
        font-size: clamp(18px, 4.2vw, 22px);
        grid-area: name;
    }

    .session-countdown,
    .session-time {
        font-size: clamp(14px, 3.5vw, 17px);
        white-space: nowrap;
    }

    .session-countdown {
        grid-area: countdown;
    }

    .session-time {
        grid-area: localstart;
        text-align: right;
    }

    [id^="countdown"],
    [id^="localstart"] {
        white-space: nowrap !important;
        overflow-wrap: normal !important;
        word-break: normal !important;
        min-width: max-content;
    }
}