/* ==========================================================================
   OPL APP — admin styles
   Brand per docs/Theme.md: high-contrast black/white, off-black ink, a single
   hot yellow (#FFCC00) reserved for the PRIMARY action only (never as a section
   background), Futura-PT geometric sans with safe fallbacks.
   ========================================================================== */

:root {
    --color-bg: #FFFFFF;
    --color-ink: #121212;
    --color-black: #000000;
    --color-accent: #FFCC00;
    --color-soft: #F6F6F6;
    --color-mute: #6b6b6b;
    --color-line: #e4e4e4;
    --color-ok: #1b7f3b;
    --color-bad: #b00020;
    --font: "futura-pt", "Futura", "Jost", "Century Gothic", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--color-soft);
    color: var(--color-ink);
    font-family: var(--font);
    font-weight: 300;
    letter-spacing: 0.02em;
    line-height: 1.6;
}

a { color: var(--color-ink); }

/* --- App shell: left sidebar + content (~Theme §4) ----------------------- */
.opl-shell { display: flex; align-items: stretch; min-height: 100vh; }
.opl-sidebar {
    flex: 0 0 220px;
    width: 220px;
    background: var(--color-black);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    align-self: flex-start;
    height: 100vh;
    overflow-y: auto;
}
/* Logo badge at the top of the sidebar. The logo PNG has a white background, so
   a white plate behind it reads as a clean badge. */
.opl-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    padding: 18px 18px 14px;
}
.opl-brand__plate {
    background: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    display: inline-flex;
}
.opl-brand__plate img {
    height: 26px;
    width: auto;
    max-width: 130px;
    display: block;
}
.opl-brand__sub {
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.3em;
}
.opl-nav { display: flex; flex-direction: column; gap: 1px; padding: 8px 0; flex: 1 0 auto; }
.opl-nav a {
    display: block;
    color: #d8d8d8;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 0.1em;
    padding: 11px 20px;
    border-left: 3px solid transparent;
}
.opl-nav a:hover { color: #fff; background: rgba(255,255,255,0.06); }
.opl-nav a.active {
    color: #fff;
    background: rgba(255,204,0,0.12);
    border-left-color: var(--color-accent);
}
.opl-sidebar__foot {
    border-top: 1px solid #2a2a2a;
    padding: 14px 20px 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.opl-user { color: #bdbdbd; font-size: 13px; }
.opl-logout { margin: 0; }

/* --- Main container ------------------------------------------------------- */
.opl-main {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 1180px;
    padding: 36px 36px 80px;
}

/* Narrow screens: sidebar collapses to a top strip, nav wraps horizontally. */
@media (max-width: 760px) {
    .opl-shell { flex-direction: column; }
    .opl-sidebar { position: static; height: auto; width: auto; flex: none; overflow: visible; }
    .opl-nav { flex-direction: row; flex-wrap: wrap; gap: 0; padding: 4px 8px; }
    .opl-nav a { padding: 9px 12px; border-left: 0; border-bottom: 3px solid transparent; }
    .opl-nav a.active { border-left: 0; border-bottom-color: var(--color-accent); }
    .opl-brand { padding: 12px 16px; }
    .opl-sidebar__foot { flex-direction: row; align-items: center; justify-content: space-between; }
    .opl-main { padding: 22px 18px 60px; }
}
.opl-h1 {
    font-weight: 700;
    font-size: 32px;
    letter-spacing: 0;
    margin: 0 0 8px;
}
.opl-lede { color: var(--color-mute); margin: 0 0 32px; }

/* --- Buttons -------------------------------------------------------------- */
.opl-btn {
    display: inline-block;
    font-family: var(--font);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 14px;
    line-height: 1.1;
    padding: 12px 22px;
    border: 2px solid transparent;
    border-radius: 2px;
    cursor: pointer;
    text-decoration: none;
}
.opl-btn--primary {
    background: var(--color-accent);
    color: var(--color-black);
    border-color: var(--color-accent);
}
.opl-btn--primary:hover { filter: brightness(0.95); }
.opl-btn--ghost {
    background: transparent;
    color: #fff;
    border-color: #555;
    padding: 8px 14px;
    font-size: 12px;
}
.opl-btn--ghost:hover { border-color: #fff; }

/* --- Login card ----------------------------------------------------------- */
.opl-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.opl-login__card {
    background: #fff;
    border: 1px solid var(--color-line);
    border-top: 4px solid var(--color-accent);
    padding: 40px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.06);
}
.opl-login__brand {
    margin-bottom: 28px;
    text-align: center;
}
.opl-login__brand img {
    display: block;
    width: 100%;
    max-width: 230px;
    height: auto;
    margin: 0 auto;
}

/* --- Form fields ---------------------------------------------------------- */
.opl-field { display: block; margin-bottom: 18px; }
.opl-field span {
    display: block;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--color-mute);
    margin-bottom: 6px;
}
.opl-field input {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--color-line);
    border-radius: 2px;
    font-family: var(--font);
    font-size: 15px;
}
.opl-field input:focus {
    outline: none;
    border-color: var(--color-ink);
}
.opl-login__card .opl-btn--primary { width: 100%; margin-top: 6px; }

/* --- Alerts --------------------------------------------------------------- */
.opl-alert {
    padding: 10px 12px;
    border-radius: 2px;
    font-size: 14px;
    margin: 0 0 18px;
}
.opl-alert--error {
    background: #fdecef;
    color: var(--color-bad);
    border: 1px solid #f5c2cd;
}

/* --- Status cards --------------------------------------------------------- */
.opl-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}
.opl-card {
    background: #fff;
    border: 1px solid var(--color-line);
    padding: 20px;
    border-radius: 2px;
}
.opl-card__label {
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--color-mute);
    margin-bottom: 8px;
}
.opl-card__value { font-size: 18px; font-weight: 400; }

.opl-pill {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
}
.opl-pill--ok { background: #e6f4ea; color: var(--color-ok); }
.opl-pill--bad { background: #fdecef; color: var(--color-bad); }

/* --- Footer --------------------------------------------------------------- */
.opl-foot {
    border-top: 1px solid var(--color-line);
    background: #fff;
}
.opl-foot__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px;
    color: var(--color-mute);
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* --- Tables (admin lists) ------------------------------------------------- */
.opl-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--color-line);
    margin-bottom: 32px;
}
.opl-table th, .opl-table td {
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-line);
    vertical-align: top;
}
.opl-table th {
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--color-mute);
    font-weight: 700;
}
.opl-table tr:last-child td { border-bottom: none; }
.opl-col-actions { white-space: nowrap; width: 1%; }
.opl-col-actions form { display: inline; }
.opl-col-actions .opl-btn, .opl-col-actions form { margin-right: 4px; }
.opl-muted { color: var(--color-mute); font-size: 13px; }

/* --- Panels (forms / sections) -------------------------------------------- */
.opl-panel {
    background: #fff;
    border: 1px solid var(--color-line);
    border-top: 3px solid var(--color-accent);
    padding: 24px;
    max-width: 560px;
    margin-bottom: 24px;
}
.opl-h2 { font-weight: 700; font-size: 20px; margin: 0 0 16px; }
.opl-field textarea {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--color-line);
    border-radius: 2px;
    font-family: var(--font);
    font-size: 15px;
    resize: vertical;
}
.opl-field textarea:focus { outline: none; border-color: var(--color-ink); }
.opl-field select {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--color-line);
    border-radius: 2px;
    font-family: var(--font);
    font-size: 15px;
    background: #fff;
}

/* --- Inline checkbox / radio rows ----------------------------------------
   A labelled checkbox sits on ONE line: box then text. Do NOT reuse .opl-field
   for these — its `input { width:100% }` stretches the checkbox full-width and
   shoves the label off to the right. */
.opl-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}
.opl-check input[type="checkbox"],
.opl-check input[type="radio"] {
    width: auto;
    flex: 0 0 auto;
    margin: 0;
}
.opl-check span {
    display: inline;
    margin: 0;
    text-transform: none;
    letter-spacing: 0;
    font-size: 15px;
    color: var(--color-ink);
}

/* --- Button variants ------------------------------------------------------ */
.opl-btn--small { padding: 7px 12px; font-size: 12px; }
.opl-btn--light { background: #fff; color: var(--color-ink); border-color: var(--color-line); }
.opl-btn--light:hover { border-color: var(--color-ink); }
.opl-btn--danger { background: #fff; color: var(--color-bad); border-color: #f0c2cd; }
.opl-btn--danger:hover { background: var(--color-bad); color: #fff; border-color: var(--color-bad); }

/* --- Alerts (success / info, complementing --error) ----------------------- */
.opl-alert--success { background: #e6f4ea; color: var(--color-ok); border: 1px solid #bfe2cb; }
.opl-alert--info { background: #eef3fb; color: #1c4f9c; border: 1px solid #cdddf5; }

/* --- Status badges (events, bays, slots) ---------------------------------- */
.opl-status {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.opl-status--draft { background: #ececec; color: #555; }
.opl-status--open, .opl-status--available { background: #e6f4ea; color: var(--color-ok); }
.opl-status--locked { background: #fff3cd; color: #8a6d00; }
.opl-status--archived, .opl-status--unreleased { background: #ececec; color: #777; }
.opl-status--taken { background: #fdecef; color: var(--color-bad); }