:root {
    --ink: #10203e;
    --muted: #69738a;
    --paper: #f7f6f2;
    --card: #fffefa;
    --line: #e7e5df;
    --blue: #4169e1;
    --aqua: #39c6bc;
    --orange: #ff9a55;
    --red: #e75f66;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: var(--paper);
    font-family: Manrope, system-ui, sans-serif;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: .55;
    background: radial-gradient(circle at 10% 0%, #d9e5ff 0, transparent 25rem), radial-gradient(circle at 95% 22%, #d5f5ef 0, transparent 21rem);
}

.shell {
    width: min(1050px, calc(100% - 40px));
    margin: auto;
    padding: 25px 0 38px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    color: var(--ink);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -1px;
}

.brand>span:last-child span {
    color: var(--blue);
}

.brand-mark {
    color: #fff;
    background: var(--ink);
    width: 29px;
    height: 29px;
    display: grid;
    place-items: center;
    border-radius: 9px;
    font-size: 24px;
    line-height: 1;
}

.live-clock {
    display: flex;
    gap: 8px;
    align-items: center;
    color: var(--muted);
    font: 13px "DM Mono", monospace;
}

.pulse {
    height: 8px;
    width: 8px;
    border-radius: 50%;
    background: var(--aqua);
    box-shadow: 0 0 0 4px #c7eee9;
}

.hero {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    align-items: end;
    padding: 70px 0 42px;
}

.eyebrow,
.control-label {
    margin: 0 0 10px;
    font: 11px "DM Mono", monospace;
    letter-spacing: 1.3px;
    color: var(--blue);
    font-weight: 500;
}

.hero h1 {
    margin: 0;
    font-size: clamp(38px, 7vw, 70px);
    line-height: 1.02;
    letter-spacing: -4px;
}

.hero em {
    font-family: Georgia, serif;
    font-weight: 400;
    color: var(--blue);
}

.intro {
    max-width: 520px;
    margin: 21px 0 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.7;
}

.date-card {
    width: 164px;
    flex: 0 0 auto;
    background: var(--ink);
    color: white;
    border-radius: 16px;
    padding: 19px;
    box-shadow: 7px 7px 0 #b8c8ed;
}

.date-card span {
    color: #aebfe6;
    font: 10px "DM Mono", monospace;
    letter-spacing: 1px;
}

.date-card strong {
    display: block;
    font-size: 30px;
    letter-spacing: -1.5px;
    margin: 6px 0 4px;
}

.date-card small {
    color: #c7d2e9;
    font-size: 10px;
}

.controls {
    display: grid;
    grid-template-columns: 230px 1fr;
    gap: 35px;
    padding: 24px;
    background: #ebe9e2;
    border: 1px solid #dedcd5;
    border-radius: 17px;
}

.controls label {
    display: block;
}

.controls label span {
    display: block;
    margin-bottom: 10px;
    font: 11px "DM Mono", monospace;
    letter-spacing: 1.3px;
    color: var(--muted);
}

select {
    width: 100%;
    padding: 12px 34px 12px 13px;
    font: 600 14px Manrope, sans-serif;
    color: var(--ink);
    background: #fffefa;
    border: 1px solid #d9d6cf;
    border-radius: 9px;
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);
    background-position: calc(100% - 16px) 51%, calc(100% - 11px) 51%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    cursor: pointer;
}

.day-picker {
    display: flex;
    justify-content: space-between;
    gap: 5px;
}

.day-button {
    font: 600 12px Manrope, sans-serif;
    color: var(--muted);
    min-width: 38px;
    height: 41px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
    transition: .18s ease;
}

.day-button:hover {
    background: #fffefa;
    color: var(--ink);
}

.day-button.active {
    color: white;
    background: var(--blue);
    box-shadow: 0 3px 8px #9eb1eb;
}

.day-button.today:not(.active) {
    border-color: #b8c8ed;
    color: var(--blue);
}

.status-panel {
    margin: 30px 0;
    padding: 20px 23px;
    display: grid;
    grid-template-columns: 43px 1fr auto;
    align-items: center;
    gap: 14px;
    color: white;
    background: var(--ink);
    border-radius: 15px;
}

.status-icon {
    width: 43px;
    height: 43px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    font-size: 21px;
    background: #26395e;
}

.status-panel p {
    margin: 0;
}

.status-panel #status-kicker {
    color: #9eb9f8;
    font: 10px "DM Mono", monospace;
    letter-spacing: 1px;
}

.status-panel h2 {
    margin: 3px 0;
    font-size: 16px;
    letter-spacing: -.45px;
}

.status-panel #status-detail {
    color: #c5cce0;
    font-size: 12px;
}

.status-time {
    color: #c6d6ff;
    font: 16px "DM Mono", monospace;
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    margin-bottom: 16px;
}

.section-heading h2 {
    margin: 0;
    font-size: 25px;
    letter-spacing: -1.1px;
}

.section-heading .eyebrow {
    margin-bottom: 6px;
}

.class-count {
    padding: 6px 10px;
    color: var(--muted);
    background: #e6e4dd;
    border-radius: 20px;
    font: 11px "DM Mono", monospace;
}

.timeline {
    position: relative;
}

.class-card {
    display: grid;
    grid-template-columns: 132px 1fr auto;
    gap: 24px;
    min-height: 100px;
    position: relative;
    padding: 20px 18px 20px 0;
    border-top: 1px solid var(--line);
}

.class-card:first-child {
    border-top: 0;
}

.class-card::before {
    content: "";
    width: 8px;
    height: 8px;
    position: absolute;
    left: -4px;
    top: 27px;
    border-radius: 50%;
    background: #bdc5d5;
}

.class-card.current::before {
    background: var(--aqua);
    box-shadow: 0 0 0 5px #d7f4ef;
}

.class-card.current {
    background: linear-gradient(90deg, #e3f8f4, transparent 80%);
    margin-inline: -15px;
    padding-left: 15px;
    border-radius: 10px;
    border-top-color: transparent;
}

.time-block {
    font: 12px "DM Mono", monospace;
    padding-left: 20px;
}

.time-block .start {
    display: block;
    font-size: 15px;
    color: var(--ink);
}

.time-block .duration {
    color: var(--muted);
    font-size: 10px;
    display: block;
    margin: 4px 0;
}

.time-block .end {
    color: var(--muted);
    font-size: 11px;
}

.course-line {
    display: flex;
    align-items: center;
    gap: 9px;
}

.class-main h3 {
    margin: 0;
    font-size: 16px;
    letter-spacing: -.45px;
}

.course-code {
    padding: 3px 6px;
    background: #e9edf8;
    color: #4a619d;
    border-radius: 4px;
    font: 9px "DM Mono", monospace;
}

.venue {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 12px;
}

.venue::before {
    content: "⌖ ";
    color: var(--blue);
}

.class-state {
    align-self: center;
    color: var(--muted);
    font: 10px "DM Mono", monospace;
}

.current .class-state {
    color: #159a8f;
}

.empty {
    padding: 55px 20px;
    text-align: center;
    background: #eeece6;
    border-radius: 13px;
    color: var(--muted);
}

.empty strong {
    display: block;
    margin-bottom: 7px;
    color: var(--ink);
    font-size: 16px;
}

footer {
    margin-top: 49px;
    text-align: center;
    color: #8a92a1;
    font-size: 11px;
}

footer code,
footer a {
    font-family: "DM Mono", monospace;
    color: #5c6b8d;
}

footer a {
    text-decoration: none;
}

@media(max-width:650px) {
    .shell {
        width: min(100% - 28px, 1050px);
    }

    .hero {
        padding: 47px 0 32px;
        align-items: start;
    }

    .hero h1 {
        letter-spacing: -2.6px;
    }

    .date-card {
        display: none;
    }

    .controls {
        grid-template-columns: 1fr;
        gap: 22px;
        padding: 18px;
    }

    .day-picker {
        gap: 2px;
    }

    .day-button {
        min-width: 0;
        flex: 1;
        font-size: 11px;
    }

    .status-panel {
        margin: 22px 0;
        padding: 17px;
        grid-template-columns: 38px 1fr;
    }

    .status-icon {
        width: 38px;
        height: 38px;
    }

    .status-time {
        display: none;
    }

    .class-card {
        grid-template-columns: 90px 1fr;
        gap: 9px;
        padding-right: 0;
    }

    .class-state {
        display: none;
    }

    .time-block {
        padding-left: 15px;
    }

    .class-main h3 {
        font-size: 14px;
    }

    .course-line {
        align-items: start;
        flex-direction: column;
        gap: 4px;
    }

    .venue {
        line-height: 1.4;
    }
}