/* ══════════════════════════════════════════════
   Quest Negotiation Simulator — Stylesheet
   Baramunda · Beyond Presence Integration
   ══════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --clr-bg:         #0d0f14;
    --clr-surface:    #161b27;
    --clr-surface2:   #1e2638;
    --clr-border:     #2a3348;
    --clr-text:       #e2e8f0;
    --clr-muted:      #8899aa;
    --clr-accent:     #4f8ef7;
    --clr-accent2:    #7c3aed;
    --clr-success:    #22c55e;
    --clr-warn:       #f59e0b;
    --clr-danger:     #ef4444;
    --clr-beginner:   #22c55e;
    --clr-intermediate: #f59e0b;
    --clr-advanced:   #ef4444;
    --radius:         12px;
    --radius-sm:      8px;
    --shadow:         0 4px 24px rgba(0,0,0,0.4);
    --font:           'Inter', system-ui, -apple-system, sans-serif;
    --transition:     0.2s ease;
}

html { font-size: 16px; }
body {
    font-family: var(--font);
    background: var(--clr-bg);
    color: var(--clr-text);
    min-height: 100vh;
    line-height: 1.6;
}
a { color: var(--clr-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── HERO ──────────────────────────────────── */
.hero {
    background: linear-gradient(135deg, #0f1729 0%, #1a1040 100%);
    border-bottom: 1px solid var(--clr-border);
    padding: 3rem 2rem 2.5rem;
    text-align: center;
}
.hero__brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}
.brand-logo-lg {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem; font-weight: 800; color: #fff;
    flex-shrink: 0;
}
.hero__title { font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; }
.hero__subtitle { color: var(--clr-muted); font-size: 0.9rem; margin-top: 0.15rem; }
.hero__desc {
    max-width: 640px; margin: 0 auto;
    color: var(--clr-muted); font-size: 0.95rem;
}

/* ─── SETUP FORM ────────────────────────────── */
.setup-container {
    max-width: 860px;
    margin: 2.5rem auto;
    padding: 0 1.5rem 3rem;
}
.setup-form { display: flex; flex-direction: column; gap: 2rem; }

.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-label { font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--clr-muted); }
.optional { font-weight: 400; text-transform: none; letter-spacing: 0; }
.form-input {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    color: var(--clr-text);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: var(--font);
    outline: none;
    transition: border-color var(--transition);
}
.form-input:focus { border-color: var(--clr-accent); }

/* ─── ROLE CARDS ────────────────────────────── */
.role-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-items: stretch; }
.role-card { cursor: pointer; display: flex; flex-direction: column; }
.role-card input[type="radio"] { display: none; }
.role-card__body {
    flex: 1;
    background: var(--clr-surface);
    border: 2px solid var(--clr-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: border-color var(--transition), background var(--transition);
}
.role-card input[type="radio"]:checked + .role-card__body {
    border-color: var(--clr-accent);
    background: rgba(79,142,247,0.07);
}
.role-card:hover .role-card__body { border-color: rgba(79,142,247,0.5); }
.role-card__icon { font-size: 2rem; display: block; margin-bottom: 0.5rem; }
.role-card__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.4rem; }
.role-card__sub { font-weight: 400; color: var(--clr-muted); font-size: 0.9rem; }
.role-card__desc { font-size: 0.875rem; color: var(--clr-muted); margin-bottom: 0.75rem; }
.role-card__parallel { font-size: 0.8rem; color: var(--clr-accent); border-top: 1px solid var(--clr-border); padding-top: 0.5rem; }

/* ─── DIFFICULTY CARDS ──────────────────────── */
.difficulty-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.diff-card { cursor: pointer; }
.diff-card input[type="radio"] { display: none; }
.diff-card__body {
    background: var(--clr-surface);
    border: 2px solid var(--clr-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    transition: border-color var(--transition);
}
.diff-card input[type="radio"]:checked + .diff-card__body { border-color: var(--clr-accent); }
.diff-card:hover .diff-card__body { border-color: rgba(79,142,247,0.4); }
.diff-card__badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.diff-card__badge--beginner     { background: rgba(34,197,94,0.15);  color: var(--clr-beginner); }
.diff-card__badge--intermediate { background: rgba(245,158,11,0.15); color: var(--clr-intermediate); }
.diff-card__badge--advanced     { background: rgba(239,68,68,0.15);  color: var(--clr-danger); }
.diff-card__body p { font-size: 0.82rem; color: var(--clr-muted); }

/* ─── SCENARIO SUMMARY ──────────────────────── */
.scenario-summary {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    padding: 1.5rem;
}
.scenario-summary__title {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--clr-muted);
    margin-bottom: 1rem;
}
.scenario-summary__grid { display: flex; flex-direction: column; gap: 0.5rem; }
.scenario-item { display: flex; gap: 1rem; font-size: 0.875rem; }
.scenario-item__label { color: var(--clr-muted); min-width: 140px; flex-shrink: 0; }
.scenario-item__value { color: var(--clr-text); }

/* ─── BUTTONS ───────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: opacity var(--transition), transform var(--transition);
}
.btn:hover { opacity: 0.9; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn--primary  { background: var(--clr-accent); color: #fff; }
.btn--secondary { background: var(--clr-surface2); color: var(--clr-text); border: 1px solid var(--clr-border); }
.btn--danger   { background: var(--clr-danger); color: #fff; }
.btn--start { width: 100%; padding: 1rem; font-size: 1rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-loader { font-weight: 400; }

/* ─── ALERTS ────────────────────────────────── */
.alert {
    padding: 0.875rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}
.alert--error { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }

/* ─── CONNECTION STATUS ─────────────────────── */
.conn-status { font-size: 0.75rem; font-weight: 600; padding: 0.2rem 0.6rem; border-radius: 6px; }
.conn-status--ok    { background: rgba(34,197,94,0.15);  color: var(--clr-success); }
.conn-status--warn  { background: rgba(245,158,11,0.15); color: var(--clr-warn); }
.conn-status--error { background: rgba(239,68,68,0.15);  color: var(--clr-danger); }

/* ─── CALL PAGE ─────────────────────────────── */
.call-page { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }

.call-header {
    background: var(--clr-surface);
    border-bottom: 1px solid var(--clr-border);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-shrink: 0;
    z-index: 10;
}
.call-header__brand { display: flex; align-items: center; gap: 0.75rem; }
.brand-logo {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent2));
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; font-weight: 800; color: #fff;
}
.brand-name { font-weight: 700; font-size: 1rem; }
.brand-company { color: var(--clr-muted); font-size: 0.8rem; padding-left: 0.5rem; border-left: 1px solid var(--clr-border); margin-left: 0.5rem; }
.call-header__meta { display: flex; align-items: center; gap: 0.75rem; margin-left: auto; }
.call-header__actions { margin-left: 1rem; }

.badge {
    padding: 0.2rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
}
.badge--beginner     { background: rgba(34,197,94,0.15);  color: var(--clr-beginner); }
.badge--intermediate { background: rgba(245,158,11,0.15); color: var(--clr-intermediate); }
.badge--advanced     { background: rgba(239,68,68,0.15);  color: var(--clr-danger); }
.badge--role         { background: rgba(79,142,247,0.12); color: var(--clr-accent); }

.timer {
    font-variant-numeric: tabular-nums;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--clr-muted);
    background: var(--clr-surface2);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    border: 1px solid var(--clr-border);
}

/* ─── CALL MAIN LAYOUT ──────────────────────── */
.call-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ─── VIDEO STAGE ────────────────────────────── */
.call-stage {
    flex: 1;
    position: relative;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Agent (remote) — fills the stage */
.video-tile--agent {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.video-tile--agent video {
    width: 100%; height: 100%;
    object-fit: cover;
    display: none;
}

/* Local (PiP) — bottom-right corner */
.video-tile--local {
    position: absolute;
    bottom: 1rem; right: 1rem;
    width: 180px; height: 120px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid rgba(255,255,255,0.15);
    background: #111;
    z-index: 5;
}
.video-tile--local video {
    width: 100%; height: 100%;
    object-fit: cover;
    transform: scaleX(-1); /* mirror local camera */
}

.video-label {
    position: absolute;
    bottom: 0.4rem; left: 0.6rem;
    font-size: 0.7rem; font-weight: 600;
    color: rgba(255,255,255,0.75);
    text-shadow: 0 1px 3px rgba(0,0,0,0.8);
    z-index: 2;
}

.video-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--clr-muted);
}
.placeholder-avatar {
    width: 80px; height: 80px;
    border-radius: 50%;
    background: var(--clr-surface2);
    border: 2px solid var(--clr-border);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; font-weight: 700; color: var(--clr-accent);
}

/* Controls row in sidebar */
.controls-row { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.btn--sm { padding: 0.5rem 0.9rem; font-size: 0.82rem; }

/* ─── CALL SIDEBAR ──────────────────────────────── */
.call-sidebar {
    width: 320px;
    flex-shrink: 0;
    background: var(--clr-surface);
    border-left: 1px solid var(--clr-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ─── SIDEBAR TABS ──────────────────────────────── */
.sidebar-tabs {
    display: flex;
    border-bottom: 1px solid var(--clr-border);
    flex-shrink: 0;
}
.sidebar-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem 0.5rem;
    font-family: var(--font);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--clr-muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: color var(--transition), border-color var(--transition);
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin-bottom: -1px;
}
.sidebar-tab:hover { color: var(--clr-text); }
.sidebar-tab--active {
    color: var(--clr-accent);
    border-bottom-color: var(--clr-accent);
}

/* ─── SIDEBAR PANES ─────────────────────────────── */
.sidebar-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.sidebar-pane--hidden { display: none; }

/* Guide pane scrolls */
#paneGuide {
    overflow-y: auto;
    padding: 1rem;
    gap: 1rem;
}

/* ─── TRANSCRIPT PANEL ──────────────────────────── */
.transcript-panel {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    scroll-behavior: smooth;
}
.transcript-empty {
    color: var(--clr-muted);
    font-size: 0.82rem;
    text-align: center;
    margin: auto;
    padding: 2rem 1rem;
    line-height: 1.7;
}

/* Transcript message bubbles */
.transcript-bubble {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    max-width: 92%;
}
.transcript-bubble--user {
    align-self: flex-end;
    align-items: flex-end;
}
.transcript-bubble--agent {
    align-self: flex-start;
    align-items: flex-start;
}
.transcript-meta {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.transcript-speaker {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.transcript-bubble--user .transcript-speaker  { color: var(--clr-accent); }
.transcript-bubble--agent .transcript-speaker { color: var(--clr-success); }
.transcript-time {
    font-size: 0.65rem;
    color: var(--clr-muted);
}
.transcript-text {
    font-size: 0.84rem;
    line-height: 1.55;
    padding: 0.55rem 0.8rem;
    border-radius: 10px;
    word-break: break-word;
}
.transcript-bubble--user .transcript-text {
    background: rgba(79,142,247,0.15);
    border: 1px solid rgba(79,142,247,0.25);
    color: var(--clr-text);
    border-bottom-right-radius: 3px;
}
.transcript-bubble--agent .transcript-text {
    background: var(--clr-surface2);
    border: 1px solid var(--clr-border);
    color: var(--clr-text);
    border-bottom-left-radius: 3px;
}
/* Interim (not-yet-final) segments appear slightly muted */
.transcript-bubble--interim .transcript-text {
    opacity: 0.6;
    font-style: italic;
}

/* ─── SIDEBAR CONTROLS (always-visible footer) ─── */
.sidebar-controls {
    flex-shrink: 0;
    border-top: 1px solid var(--clr-border);
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-bottom: none;
}

.sidebar-card {
    background: var(--clr-surface2);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    overflow: hidden;
}
.sidebar-card--tip { border-color: rgba(79,142,247,0.3); }
.sidebar-card__title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--clr-muted);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--clr-border);
    background: rgba(255,255,255,0.03);
}
.sidebar-card__body { padding: 1rem; font-size: 0.85rem; }
.guide-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--clr-muted);
    margin-top: 0.75rem;
}
.guide-label:first-child { margin-top: 0; }
.guide-value { color: var(--clr-text); margin-top: 0.15rem; margin-bottom: 0.25rem; }
.guide-list { padding-left: 1.1rem; color: var(--clr-muted); }
.guide-list li { margin-bottom: 0.25rem; }
.guide-list strong { color: var(--clr-text); }
.sidebar-card--tip .sidebar-card__body { color: var(--clr-accent); line-height: 1.7; }

/* ─── DEBRIEF OVERLAY ───────────────────────── */
.debrief-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.75);
    display: flex; align-items: center; justify-content: center;
    z-index: 100;
    backdrop-filter: blur(4px);
}
.debrief-modal {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    padding: 2.5rem;
    max-width: 480px;
    width: 90%;
    box-shadow: var(--shadow);
}
.debrief-modal h2 { font-size: 1.5rem; margin-bottom: 1rem; }
.debrief-modal p  { color: var(--clr-muted); margin-bottom: 1.5rem; }
.debrief-actions  { display: flex; gap: 0.75rem; }

/* ─── FOOTER ────────────────────────────────── */
.site-footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--clr-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--clr-border);
}

/* ─── RESPONSIVE ────────────────────────────── */
@media (max-width: 768px) {
    .role-cards        { grid-template-columns: 1fr; }
    .difficulty-cards  { grid-template-columns: 1fr; }
    .call-sidebar      { width: 100%; height: 220px; border-left: none; border-top: 1px solid var(--clr-border); }
    .call-main         { flex-direction: column; }
    .call-header       { flex-wrap: wrap; gap: 0.5rem; }
}