/* Inquisitor (formerly Viva by NYU Stern) — branded stylesheet */

:root {
    /* Brand — Inquisitor palette */
    --viva-violet: #eaaa00;          /* Gold — principal brand background color */
    --viva-ultra-violet: #f5b800;    /* Light Gold — accent, use sparingly */
    --viva-deep-violet: #bb8800;     /* Deep Gold — darker shade for hover/depth */
    --viva-violet-85: #edb726;       /* 85% Gold */
    --viva-violet-70: #f1c44d;       /* 70% Gold */
    --viva-violet-50: #f5d580;       /* 50% Gold */
    --viva-violet-10: #fdf6e6;       /* 10% Gold — subtle backgrounds */
    --viva-on-primary: #5a0722;      /* Foreground color for text on gold backgrounds */
    --viva-teal: #009b8a;            /* Teal accent */
    --viva-deep-teal: #00837c;       /* Deep Teal — for teal text on white backgrounds */
    --viva-magenta: #fb0f78;         /* Magenta accent */
    --viva-deep-magenta: #e00e78;    /* Deep Magenta — for magenta text on white */
    --viva-blue: #59b2d1;            /* Blue accent */
    --viva-deep-blue: #4e7aa1;       /* Deep Blue — for blue text on white */
    --viva-yellow: #f4ec51;          /* Yellow — visual anchor for highlights */
    --viva-black: #000000;
    --viva-white: #ffffff;

    /* Neutrals */
    --viva-gray-dark: #404040;
    --viva-gray-mid: #6d6d6d;
    --viva-gray-mid2: #b8b8b8;       /* Medium Gray 2 */
    --viva-gray-light: #d6d6d6;
    --viva-gray-bg: #f2f2f2;

    /* Semantic */
    --viva-error: #d32f2f;
    --viva-warning: #f59e0b;
    --viva-success: var(--viva-teal);
    --viva-info: var(--viva-violet);

    /* Typography — NYU Perstare is the official typeface; Montserrat is the
       closest freely-available web substitute. Frank Ruhl Libre is the
       official secondary serif for pull quotes and traditional pairings. */
    --viva-font-sans: 'Montserrat', 'Verdana', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --viva-font-serif: 'Frank Ruhl Libre', 'Georgia', serif;
    --viva-font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --viva-radius: 8px;
    --viva-radius-sm: 4px;
    --viva-radius-lg: 12px;

    /* Legacy aliases (mapped to new tokens for backward compat) */
    --nyu-violet: var(--viva-violet);
    --deep-violet: var(--viva-deep-violet);
    --violet-85: var(--viva-violet-85);
    --violet-50: var(--viva-violet-50);
    --violet-10: var(--viva-violet-10);
    --ultra-violet: var(--viva-ultra-violet);
    --violet-70: var(--viva-violet-70);
    --primary: var(--viva-violet);
    --primary-dark: var(--viva-deep-violet);
    --primary-light: var(--viva-violet-10);
    --success: var(--viva-success);
    --warning: var(--viva-warning);
    --danger: var(--viva-error);
    --gray-50: #f9fafb;
    --gray-100: var(--viva-gray-bg);
    --gray-200: #e5e7eb;
    --gray-300: var(--viva-gray-light);
    --gray-600: var(--viva-gray-mid);
    --gray-800: var(--viva-gray-dark);
    --gray-900: #111827;
    --radius: var(--viva-radius);
}

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

body {
    font-family: var(--viva-font-sans);
    color: var(--viva-black);
    background: var(--viva-white);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Navbar */
.navbar {
    background: var(--viva-violet);
    color: var(--viva-on-primary);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.navbar-brand {
    color: var(--viva-on-primary);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
}
.navbar-brand small {
    font-weight: 400;
    font-size: 0.75rem;
    opacity: 0.85;
    display: block;
    line-height: 1;
}
.navbar-links { display: flex; gap: 1rem; }
.navbar-links a { color: var(--viva-on-primary); opacity: 0.7; text-decoration: none; font-size: 0.9rem; }
.navbar-links a:hover { opacity: 1; }

/* Container */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    flex: 1;
}

/* Alerts */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-info { background: var(--viva-violet-10); color: var(--viva-violet); border: 1px solid var(--viva-violet-50); }

/* Cards */
.card {
    background: var(--viva-white);
    border: 1px solid var(--viva-gray-light);
    border-radius: var(--viva-radius);
    padding: 24px;
    margin-bottom: 16px;
}
.card h3 { margin-bottom: 12px; font-size: 18px; font-weight: 600; }
.card p { color: var(--viva-gray-mid); font-size: 15px; }

.viva-card-label {
    font-size: 13px;
    color: var(--viva-gray-mid);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.viva-card-value {
    font-size: 16px;
    color: var(--viva-black);
    font-weight: 500;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}
th, td { padding: 0.6rem 0.75rem; text-align: left; font-size: 0.9rem; }
th { background: var(--violet-10); font-weight: 600; border-bottom: 2px solid var(--violet-50); }
td { border-bottom: 1px solid var(--gray-100); }
tr:last-child td { border-bottom: none; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--viva-radius);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--viva-violet); color: var(--viva-on-primary); }
.btn-primary:hover { background: var(--viva-deep-violet); }
.btn-secondary { background: var(--viva-white); color: var(--viva-on-primary); border: 1px solid var(--viva-violet); }
.btn-secondary:hover { background: var(--viva-violet-10); }
.btn-success { background: var(--viva-success); color: var(--viva-white); }
.btn-danger { background: var(--viva-error); color: var(--viva-white); }
.btn-outline {
    background: var(--viva-white);
    border: 1px solid var(--viva-violet);
    color: var(--viva-violet);
}
.btn-outline:hover { background: var(--viva-violet-10); }
.btn-ghost { background: transparent; border: none; color: var(--viva-violet); }
.btn-ghost:hover { background: var(--viva-violet-10); }
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 500; margin-bottom: 0.3rem; font-size: 0.9rem; }
.form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.9rem;
}
.form-control:focus { outline: none; box-shadow: 0 0 0 3px rgba(234, 170, 0, 0.35); }

/* Status badges (pill-shaped, per BRAND.md) */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-pending, .badge-scheduled { background: var(--viva-violet-10); color: var(--viva-violet); }
.badge-active, .badge-in_progress { background: #e0f2fe; color: #1e40af; }
.badge-completed { background: #d1fae5; color: #065f46; }
.badge-graded { background: var(--viva-teal); color: var(--viva-white); }
.badge-flagged { background: #fef3c7; color: #92400e; }
.badge-error { background: #fee2e2; color: #991b1b; }

/* Headings */
h1 { font-size: 28px; margin-bottom: 1rem; font-weight: 700; color: var(--viva-black); }
h2 { font-size: 20px; margin-bottom: 0.75rem; margin-top: 1.5rem; font-weight: 600; color: var(--viva-black); }
h2:first-child { margin-top: 0; }
h3 { font-size: 16px; font-weight: 500; }

/* Pull quotes and blockquotes — serif font per NYU type pairing rules */
blockquote, .pull-quote {
    font-family: var(--viva-font-serif);
    font-style: italic;
    border-left: 3px solid var(--viva-violet-50);
    padding: 0.5rem 1rem;
    margin: 1rem 0;
    color: var(--viva-gray-dark);
}

/* Utilities */
.text-muted { color: var(--gray-600); }
.text-sm { font-size: 0.85rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 0.5rem; }

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--viva-gray-mid);
    font-size: 13px;
    border-top: 2px solid var(--viva-violet);
    margin-top: auto;
}

/* Exam page layout — two-column: transcript + sidebar */
.exam-page {
    max-width: 1200px;
    margin: 0 auto;
}
.exam-header {
    margin-bottom: 1rem;
}
.exam-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 1rem;
    align-items: start;
}

/* Transcript panel */
.transcript-panel {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    min-height: 600px;
    max-height: calc(100vh - 180px);
}
.transcript-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-200);
    flex-shrink: 0;
}
.transcript-title {
    font-weight: 600;
    font-size: 1rem;
}
.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--gray-600);
}
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-300);
}
.status-dot-connected { background: var(--success); }
.status-dot-connecting { background: var(--warning); animation: pulse 1s infinite; }
.status-dot-disconnected { background: var(--gray-300); }
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Message area */
.transcript-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    /* Prevent students from selecting/copying live transcript text */
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
.transcript-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--gray-600);
    gap: 0.5rem;
}

/* Message bubbles */
.bubble-row {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}
.bubble-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--gray-600);
    padding-left: 0.25rem;
}
.bubble-row-agent .bubble-label { color: var(--primary); }
.bubble {
    padding: 0.6rem 0.85rem;
    border-radius: 12px;
    font-size: 0.9rem;
    line-height: 1.5;
    max-width: 85%;
    word-wrap: break-word;
}
.bubble-agent {
    background: var(--gray-100);
    color: var(--gray-800);
    border-bottom-left-radius: 4px;
}
.bubble-user {
    background: var(--primary);
    color: var(--viva-on-primary);
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}
.bubble-row-user {
    align-items: flex-end;
}
.bubble-partial .bubble {
    opacity: 0.65;
}

/* Controls bar */
.transcript-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--gray-200);
    flex-shrink: 0;
}
.btn-start, .btn-end {
    padding: 0.5rem 1.5rem;
}
.mode-indicator {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--gray-600);
}
.mode-icon {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.mode-icon-listening {
    background: var(--success);
    animation: pulse 1.5s infinite;
}
.mode-icon-speaking {
    background: var(--primary);
    animation: pulse 0.6s infinite;
}

/* Sidebar */
.exam-sidebar .card {
    position: sticky;
    top: 1rem;
}

/* Responsive — stack on narrow screens */
@media (max-width: 900px) {
    .exam-layout {
        grid-template-columns: 1fr;
    }
    .transcript-panel {
        min-height: 450px;
        max-height: 70vh;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .container { padding: 1rem; }
    table { font-size: 0.8rem; }
    th, td { padding: 0.4rem; }
}