/* ==========================================================================
   Interview Forge — styles
   Self-contained. Every colour comes from a token so themes are one block.
   ========================================================================== */

/* ---- Themes -------------------------------------------------------------- */
:root,
:root[data-theme="midnight"] {
    color-scheme: dark;
    --bg: #0b1020;
    --bg-2: #121a30;
    --panel: rgba(255, 255, 255, .045);
    --panel-solid: #151d33;
    --line: rgba(255, 255, 255, .12);
    --line-soft: rgba(255, 255, 255, .07);
    --ink: #eef2ff;
    --ink-soft: #a9b4d0;
    --ink-faint: #7c88a8;
    --accent: #6c8cff;
    --accent-ink: #ffffff;
    --accent-soft: rgba(108, 140, 255, .16);
    --good: #3fa66a;
    --warn: #f5b83d;
    --bad: #e5484d;
    --shadow: 0 18px 44px rgba(3, 6, 18, .55);
    --radius: 14px;
}

:root[data-theme="slate"] {
    color-scheme: dark;
    --bg: #14181d;
    --bg-2: #1b2026;
    --panel: rgba(255, 255, 255, .04);
    --panel-solid: #1e242b;
    --line: rgba(255, 255, 255, .13);
    --line-soft: rgba(255, 255, 255, .07);
    --ink: #e8edf2;
    --ink-soft: #a7b2be;
    --ink-faint: #7d8894;
    --accent: #4f8fd1;
    --accent-ink: #ffffff;
    --accent-soft: rgba(79, 143, 209, .16);
    --shadow: 0 16px 40px rgba(0, 0, 0, .5);
}

:root[data-theme="daylight"] {
    color-scheme: light;
    --bg: #f4f6fa;
    --bg-2: #e9edf5;
    --panel: #ffffff;
    --panel-solid: #ffffff;
    --line: #d7dee9;
    --line-soft: #e6ebf2;
    --ink: #1a2130;
    --ink-soft: #4c5871;
    --ink-faint: #77839b;
    --accent: #2f5fd0;
    --accent-ink: #ffffff;
    --accent-soft: rgba(47, 95, 208, .1);
    --good: #1f7a45;
    --warn: #a86a06;
    --bad: #c62b30;
    --shadow: 0 12px 30px rgba(26, 33, 48, .12);
}

:root[data-theme="parchment"] {
    color-scheme: light;
    --bg: #f6f1e6;
    --bg-2: #ece4d4;
    --panel: #fffdf7;
    --panel-solid: #fffdf7;
    --line: #ddd2ba;
    --line-soft: #e9e1cf;
    --ink: #2f2a20;
    --ink-soft: #5d5445;
    --ink-faint: #8b8070;
    --accent: #8a5a2b;
    --accent-ink: #fffdf7;
    --accent-soft: rgba(138, 90, 43, .12);
    --good: #4b7a3a;
    --warn: #a06b12;
    --bad: #a63232;
    --shadow: 0 12px 30px rgba(80, 66, 40, .16);
}

:root[data-theme="forest"] {
    color-scheme: dark;
    --bg: #0d1714;
    --bg-2: #12201c;
    --panel: rgba(255, 255, 255, .045);
    --panel-solid: #16241f;
    --line: rgba(255, 255, 255, .12);
    --line-soft: rgba(255, 255, 255, .07);
    --ink: #e8f3ec;
    --ink-soft: #a3bdaf;
    --ink-faint: #7b9488;
    --accent: #4bbd88;
    --accent-ink: #062018;
    --accent-soft: rgba(75, 189, 136, .16);
    --shadow: 0 16px 40px rgba(0, 12, 8, .55);
}

:root[data-theme="contrast"] {
    color-scheme: dark;
    --bg: #000000;
    --bg-2: #000000;
    --panel: #000000;
    --panel-solid: #000000;
    --line: #ffffff;
    --line-soft: #9a9a9a;
    --ink: #ffffff;
    --ink-soft: #ffffff;
    --ink-faint: #d0d0d0;
    --accent: #ffe000;
    --accent-ink: #000000;
    --accent-soft: rgba(255, 224, 0, .2);
    --good: #00e05a;
    --warn: #ffe000;
    --bad: #ff5252;
    --shadow: none;
    --radius: 4px;
}

/* ---- Base ---------------------------------------------------------------- */
* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.55;
    color: var(--ink);
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5rem; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 1.9rem; }
h2 { font-size: 1.3rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 .8rem; }
a { color: var(--accent); }

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 6px;
}

.muted { color: var(--ink-soft); }
.faint { color: var(--ink-faint); font-size: .85rem; }
.hidden { display: none !important; }
.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---- Controls ------------------------------------------------------------ */
button, input, select, textarea {
    font: inherit;
    color: inherit;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .5rem .9rem;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
    color: var(--ink);
    cursor: pointer;
    transition: background .15s ease, border-color .15s ease, transform .1s ease;
}
.btn:hover { background: var(--accent-soft); border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .45; cursor: not-allowed; }

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-ink);
    font-weight: 600;
}
.btn-primary:hover { filter: brightness(1.08); background: var(--accent); }

.btn-ghost { background: transparent; }
.btn-sm { padding: .3rem .6rem; font-size: .85rem; border-radius: 8px; }
.btn-danger:hover { border-color: var(--bad); background: rgba(229, 72, 77, .14); }

input[type="text"], input[type="date"], input[type="email"], input[type="tel"],
input[type="search"], input[type="number"], select, textarea {
    width: 100%;
    padding: .5rem .7rem;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 10px;
    transition: border-color .15s ease;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 5rem; }

label.field { display: block; margin-bottom: .85rem; }
label.field > span { display: block; font-size: .82rem; color: var(--ink-soft); margin-bottom: .25rem; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 0 1rem; }

/* ---- Layout -------------------------------------------------------------- */
.topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    gap: .6rem;
    flex-wrap: wrap;
    padding: .6rem 1rem;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line-soft);
}

.brand {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-weight: 700;
    letter-spacing: -.02em;
    margin-right: .4rem;
}
.brand .glyph { font-size: 1.25rem; }

.topnav { display: flex; gap: .25rem; flex-wrap: wrap; }
.topnav .btn[aria-current="page"] {
    background: var(--accent-soft);
    border-color: var(--accent);
    font-weight: 600;
}

.spacer { flex: 1 1 auto; }

.topbar select { width: auto; padding: .4rem .55rem; border-radius: 9px; }

main {
    max-width: 1180px;
    margin: 0 auto;
    padding: 1.4rem 1rem 4rem;
}

.card {
    background: var(--panel);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    padding: 1.1rem;
    box-shadow: var(--shadow);
}
.card + .card { margin-top: 1rem; }

.stack > * + * { margin-top: 1rem; }

/* ---- Home ---------------------------------------------------------------- */
.hero { text-align: center; padding: 2rem 0 1.4rem; }
.hero p { max-width: 62ch; margin-inline: auto; color: var(--ink-soft); }

.choice-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }

.choice {
    text-align: left;
    padding: 1.2rem;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--panel);
    cursor: pointer;
    transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.choice:hover { transform: translateY(-2px); border-color: var(--accent); background: var(--accent-soft); }
.choice .glyph { font-size: 1.7rem; display: block; margin-bottom: .4rem; }
.choice h3 { margin-bottom: .25rem; }
.choice p { color: var(--ink-soft); margin: 0; font-size: .9rem; }

.session-list { display: grid; gap: .6rem; }
.session-row {
    display: flex;
    align-items: center;
    gap: .6rem;
    flex-wrap: wrap;
    padding: .6rem .8rem;
    border: 1px solid var(--line-soft);
    border-radius: 10px;
    background: var(--panel);
}
.session-row strong { font-weight: 600; }

/* ---- Wizard -------------------------------------------------------------- */
.steps { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: 1.2rem; }
.step-pill {
    display: flex; align-items: center; gap: .4rem;
    padding: .35rem .7rem;
    border-radius: 999px;
    border: 1px solid var(--line-soft);
    font-size: .85rem;
    color: var(--ink-faint);
    background: var(--panel);
}
.step-pill.active { border-color: var(--accent); color: var(--ink); background: var(--accent-soft); font-weight: 600; }
.step-pill.done { color: var(--ink-soft); }
.step-pill .n {
    width: 1.35rem; height: 1.35rem; border-radius: 50%;
    display: grid; place-items: center; font-size: .75rem;
    background: var(--line-soft);
}
.step-pill.active .n { background: var(--accent); color: var(--accent-ink); }

.pick-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: .6rem; }

.pick {
    display: flex;
    align-items: flex-start;
    gap: .55rem;
    padding: .65rem .75rem;
    border: 1px solid var(--line-soft);
    border-radius: 11px;
    background: var(--panel);
    cursor: pointer;
    text-align: left;
    transition: border-color .15s ease, background .15s ease;
}
.pick:hover { border-color: var(--accent); }
.pick[aria-pressed="true"], .pick.selected { border-color: var(--accent); background: var(--accent-soft); }
.pick .glyph { font-size: 1.1rem; }
.pick .label { font-weight: 550; }
.pick .sub { display: block; font-size: .8rem; color: var(--ink-soft); font-weight: 400; }

.chip-wrap { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip {
    display: inline-flex; align-items: center; gap: .35rem;
    padding: .25rem .6rem;
    border-radius: 999px;
    border: 1px solid var(--line-soft);
    background: var(--panel);
    font-size: .82rem;
    cursor: pointer;
}
.chip[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.chip.static { cursor: default; }

.group-title {
    margin: 1.1rem 0 .5rem;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--ink-faint);
}

.wizard-actions {
    display: flex; gap: .6rem; align-items: center; flex-wrap: wrap;
    margin-top: 1.2rem;
}

/* ---- Workspace ----------------------------------------------------------- */
.ws-head {
    display: flex; align-items: center; gap: .8rem; flex-wrap: wrap;
    margin-bottom: 1rem;
}
.ws-head .who { font-size: 1.35rem; font-weight: 650; }
.ws-head .role { color: var(--ink-soft); }

.tabs { display: flex; gap: .3rem; flex-wrap: wrap; border-bottom: 1px solid var(--line-soft); margin-bottom: 1rem; }
.tab {
    padding: .5rem .85rem;
    border: 1px solid transparent;
    border-bottom: none;
    border-radius: 10px 10px 0 0;
    background: transparent;
    color: var(--ink-soft);
    cursor: pointer;
}
.tab:hover { color: var(--ink); background: var(--panel); }
.tab[aria-selected="true"] {
    color: var(--ink);
    font-weight: 600;
    background: var(--panel);
    border-color: var(--line-soft);
    box-shadow: inset 0 2px 0 var(--accent);
}

.split { display: grid; gap: 1rem; }
.split.on { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); align-items: start; }
.split.on .side-notes { position: sticky; top: 4.6rem; }

.progress-bar {
    height: 6px; border-radius: 999px; background: var(--line-soft); overflow: hidden; margin: .4rem 0 1rem;
}
.progress-bar span { display: block; height: 100%; background: var(--accent); transition: width .3s ease; }

/* ---- Question cards ------------------------------------------------------ */
.q-group + .q-group { margin-top: 1.4rem; }
.q-group > h3 { display: flex; align-items: center; gap: .45rem; }

.q-card {
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    background: var(--panel);
    padding: .85rem 1rem;
    margin-top: .7rem;
}
.q-card.answered { border-color: color-mix(in srgb, var(--good) 55%, var(--line-soft)); }

.q-top { display: flex; gap: .6rem; align-items: flex-start; }
.q-text { flex: 1 1 auto; font-weight: 550; }
.q-meta { display: flex; gap: .35rem; flex-wrap: wrap; margin-top: .35rem; }
.tag {
    font-size: .72rem;
    padding: .1rem .45rem;
    border-radius: 999px;
    border: 1px solid var(--line-soft);
    color: var(--ink-faint);
}
.tag.level { border-color: var(--accent); color: var(--accent); }

.answer {
    margin-top: .6rem;
    padding: .6rem .75rem;
    border-left: 3px solid var(--accent);
    border-radius: 0 10px 10px 0;
    background: var(--accent-soft);
    font-size: .9rem;
    color: var(--ink);
}
.answer strong { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-soft); margin-bottom: .2rem; }

.q-note { margin-top: .6rem; }
.q-note textarea { min-height: 3.4rem; }

.rating { display: inline-flex; gap: .2rem; }
.rating button {
    width: 1.9rem; height: 1.9rem;
    border-radius: 8px;
    border: 1px solid var(--line-soft);
    background: transparent;
    cursor: pointer;
    color: var(--ink-soft);
    font-size: .85rem;
}
.rating button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }

.q-foot { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap; margin-top: .6rem; }

/* ---- DISC ---------------------------------------------------------------- */
.disc-bars { display: grid; gap: .5rem; margin: 1rem 0; }
.disc-row { display: grid; grid-template-columns: 12rem 1fr 3rem; gap: .6rem; align-items: center; }
.disc-track { height: 12px; border-radius: 999px; background: var(--line-soft); overflow: hidden; }
.disc-track span { display: block; height: 100%; transition: width .3s ease; }

.disc-mark { display: inline-flex; gap: .25rem; }
.disc-mark button {
    width: 2rem; height: 1.9rem; border-radius: 8px; cursor: pointer;
    border: 1px solid var(--line-soft); background: transparent; font-weight: 700; font-size: .8rem;
}
.disc-mark button[aria-pressed="true"] { color: #fff; border-color: transparent; }

/* ---- Library drawer ------------------------------------------------------ */
.drawer-backdrop {
    position: fixed; inset: 0; z-index: 60;
    background: rgba(3, 6, 18, .5);
    backdrop-filter: blur(2px);
}
.drawer {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 61;
    width: min(560px, 100%);
    display: flex; flex-direction: column;
    background: var(--panel-solid);
    border-left: 1px solid var(--line);
    box-shadow: var(--shadow);
}
.drawer header {
    display: flex; align-items: center; gap: .6rem;
    padding: .9rem 1rem; border-bottom: 1px solid var(--line-soft);
}
.drawer .filters { padding: .8rem 1rem; display: grid; gap: .5rem; border-bottom: 1px solid var(--line-soft); }
.drawer .filters .row { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: .5rem; }
.drawer .results { overflow: auto; padding: .8rem 1rem 2rem; flex: 1 1 auto; }

.lib-item {
    border: 1px solid var(--line-soft);
    border-radius: 11px;
    padding: .6rem .75rem;
    margin-bottom: .55rem;
    background: var(--panel);
}
.lib-item .q-text { font-size: .93rem; }
.lib-item.in-set { border-color: var(--good); }

/* ---- Compare ------------------------------------------------------------- */
.cmp-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.cmp-table th, .cmp-table td { padding: .45rem .6rem; border-bottom: 1px solid var(--line-soft); text-align: left; }
.cmp-table th { color: var(--ink-soft); font-weight: 600; }
.cmp-table td.best { background: var(--accent-soft); font-weight: 650; }
.cmp-scroll { overflow-x: auto; }

/* ---- Report -------------------------------------------------------------- */
.md-preview {
    white-space: pre-wrap;
    font-family: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
    font-size: .82rem;
    line-height: 1.5;
    max-height: 60vh;
    overflow: auto;
    padding: .9rem;
    border: 1px solid var(--line-soft);
    border-radius: 10px;
    background: var(--panel);
}

/* ---- Toast --------------------------------------------------------------- */
.toast {
    position: fixed;
    left: 50%;
    bottom: 1.5rem;
    transform: translateX(-50%) translateY(1rem);
    z-index: 90;
    padding: .55rem 1rem;
    border-radius: 999px;
    background: var(--panel-solid);
    border: 1px solid var(--accent);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---- File list ----------------------------------------------------------- */
.file-list { display: grid; gap: .4rem; margin-top: .5rem; }
.file-row { display: flex; align-items: center; gap: .5rem; font-size: .88rem; }
.file-row .name { flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---- Responsive ---------------------------------------------------------- */
@media (max-width: 860px) {
    .split.on { grid-template-columns: 1fr; }
    .split.on .side-notes { position: static; }
    .disc-row { grid-template-columns: 7rem 1fr 2.5rem; }
    h1 { font-size: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}

/* ---- Print --------------------------------------------------------------- */
@media print {
    .topbar, .drawer, .drawer-backdrop, .no-print, .tabs, .toast { display: none !important; }
    body { background: #fff; color: #000; }
    main { max-width: none; padding: 0; }
    .card, .q-card { box-shadow: none; border-color: #ccc; break-inside: avoid; }
    .md-preview { max-height: none; border: none; }
}