:root {
    color-scheme: dark;

    --bg: #0d0f13;
    --panel: #171a21;
    --panel-hover: #1d222b;
    --panel-active: #151c26;

    --border: #292f39;
    --border-hover: #3a4350;

    --text: #f1f3f5;
    --muted: #929aa7;

    --accent: #4da3ff;
    --good: #42d392;
    --bad: #ff6b6b;

    --radius: 9px;
    --radius-small: 7px;
    --transition: .15s ease;
}

html {
    scrollbar-gutter: stable;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;

    background: var(--bg);
    color: var(--text);

    font-family:
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
}

main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

h1 {
    margin: 0;
    font-size: 30px;
    font-weight: 700;
}

.subtitle {
    margin-top: 5px;

    color: var(--muted);

    font-size: 15px;
}

.section {
    margin-bottom: 24px;
}


/* =========================
   PANELS
   ========================= */

.app,
.day,
.day-nav,
.game,
.boxscore-container {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
}


/* =========================
   INTERACTIVE PANELS
   ========================= */

.app,
.day,
.day-nav,
.game {
    transition:
        background var(--transition),
        border-color var(--transition),
        transform var(--transition);
}

.day,
.day-nav,
.game {
    cursor: pointer;
}

.app:hover,
.day:hover,
.day-nav:hover,
.game:hover {
    background: var(--panel-hover);
    border-color: var(--border-hover);
}


/* =========================
   HEADER
   ========================= */

header {
    border-bottom: 1px solid var(--border);
    background: #101319;
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 22px 24px 0;
}

.header-brand {
    padding-bottom: 18px;
}


/* =========================
   HEADER NAVIGATION
   ========================= */

.header-navigation {
    display: flex;
    align-items: flex-end;
    gap: 4px;

    border-bottom: 1px solid var(--border);
}

.header-nav {
    width: 110px;
    height: 42px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    padding: 0;

    color: var(--muted);
    text-decoration: none;

    font-size: 14px;
    font-weight: 600;

    border-bottom: 2px solid transparent;

    transition:
        color var(--transition),
        background var(--transition),
        border-color var(--transition);
}

.header-nav:hover {
    color: var(--text);
    background: var(--panel);
}

.header-nav.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}


/* =========================
   FORM CONTROLS
   ========================= */

select,
input,
button {
    height: 40px;

    padding: 0 12px;

    border: 1px solid var(--border);
    border-radius: var(--radius-small);

    background: var(--panel);
    color: var(--text);

    font: inherit;
}

input::placeholder {
    color: var(--muted);
}

button {
    cursor: pointer;

    transition:
        background var(--transition),
        border-color var(--transition);
}

button:hover {
    background: var(--panel-hover);
    border-color: var(--border-hover);
}

button:disabled {
    opacity: .4;
    cursor: default;
}

input:focus,
select:focus,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.back-button {
    margin-bottom: 14px;
}


/* =========================
   STATES
   ========================= */

.loading,
.empty,
.error {
    padding: 25px;

    color: var(--muted);

    text-align: center;
}

.error {
    color: var(--bad);
}


/* =========================
   FOOTER
   ========================= */

footer {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 24px 30px;

    color: var(--muted);
    font-size: 13px;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;

    border-top: 1px solid var(--border);
    padding-top: 18px;
}

.footer-copy {
    color: var(--muted);
}

.footer-season {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-season label {
    color: var(--muted);
}

.footer-season select {
    height: 36px;
    padding: 0 10px;

    font-size: 13px;
}


/* =========================
   MOBILE
   ========================= */

@media (max-width: 700px) {

    main {
        padding: 14px;
    }


    /* HEADER */

    .header-inner {
        padding: 18px 14px 0;
    }

    .header-brand {
        padding-bottom: 14px;
    }

    .header-navigation {
        width: 100%;

        display: grid;
        grid-template-columns: repeat(3, 1fr);

        gap: 0;
    }

    .header-nav {
        width: auto;

        justify-content: center;

        padding: 0 6px;

        font-size: 13px;
    }


    /* FOOTER */

    footer {
        padding: 15px 14px 25px;
    }

    .footer-inner {
        flex-direction: column;
        align-items: stretch;

        gap: 14px;
    }

    .footer-season {
        justify-content: space-between;
    }

    .footer-season select {
        flex: 1;
        max-width: 140px;
    }
}