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

:root {
    --bg: #0b0b14;
    --bg-elevated: #11111f;
    --bg-card: #16162a;
    --bg-hover: #1e1e38;
    --bg-input: #131328;
    --border: #252542;
    --border-light: #33335a;
    --border-focus: #10a37f;
    --primary: #10a37f;
    --primary-dim: #0d8f6e;
    --primary-glow: rgba(16, 163, 127, 0.12);
    --primary-glow-strong: rgba(16, 163, 127, 0.25);
    --text: #e8e8f5;
    --text-bright: #ffffff;
    --text-muted: #7a7a9e;
    --text-dim: #555577;
    --danger: #ef4444;
    --danger-dim: #dc2626;
    --danger-glow: rgba(239, 68, 68, 0.12);
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.12);
    --info: #3b82f6;
    --info-glow: rgba(59, 130, 246, 0.12);
    --success: #22c55e;
    --success-glow: rgba(34, 197, 94, 0.12);
    --radius: 14px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
    --shadow: 0 4px 20px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background: var(--bg);
    color: var(--text);
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

.app {
    display: flex;
    height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
    width: 240px;
    background: var(--bg-elevated);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: relative;
}

.nav-brand {
    padding: 28px 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 30px;
    line-height: 1;
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: -0.3px;
    color: var(--text-bright);
}

.brand-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 3px;
    font-weight: 500;
}

.nav-items {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    border-radius: var(--radius-sm);
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    text-align: left;
    font-family: inherit;
    font-weight: 500;
}

.nav-item:hover {
    background: var(--bg-hover);
    color: var(--text);
}

.nav-item.active {
    background: var(--primary-glow);
    color: var(--primary);
    font-weight: 600;
    box-shadow: 0 0 0 1px var(--primary-glow-strong);
}

.nav-icon {
    font-size: 1.15rem;
    width: 24px;
    text-align: center;
    transition: transform 0.2s;
}

.nav-item:hover .nav-icon { transform: scale(1.1); }

.nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 700;
    min-width: 20px;
    text-align: center;
    box-shadow: 0 0 8px var(--danger-glow);
    animation: pulse 2s infinite;
}

.nav-badge.hidden { display: none; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.nav-footer {
    padding: 18px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--success);
    animation: breathe 2s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% { box-shadow: 0 0 6px var(--success); }
    50% { box-shadow: 0 0 14px var(--success); }
}

/* ===== MAIN ===== */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* ===== PANELS ===== */
.panel {
    display: none;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
    animation: panelIn 0.3s ease;
}

@keyframes panelIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel.active { display: flex; }

.panel-header {
    padding: 20px 28px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
    background: linear-gradient(180deg, var(--bg-elevated) 0%, transparent 100%);
}

.header-left { display: flex; flex-direction: column; gap: 4px; }

.panel-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-bright);
    letter-spacing: -0.3px;
}

.header-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 400;
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* ===== CHAT ===== */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 20px 28px;
    gap: 16px;
}

.chat-box {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding-right: 8px;
    scroll-behavior: smooth;
}

.message {
    display: flex;
    max-width: 88%;
    animation: msgIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

@keyframes msgIn {
    from { opacity: 0; transform: translateY(12px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.message.user { align-self: flex-end; }
.message.assistant { align-self: flex-start; }

.bubble {
    padding: 16px 20px;
    border-radius: var(--radius);
    line-height: 1.7;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
}

.message.user .bubble {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dim) 100%);
    color: white;
    border-bottom-right-radius: 6px;
    box-shadow: 0 4px 16px var(--primary-glow);
}

.message.assistant .bubble {
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
    border-bottom-left-radius: 6px;
    box-shadow: var(--shadow-sm);
}

.message.assistant .bubble:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow);
}

.bubble-title {
    font-weight: 700;
    margin-bottom: 8px;
    font-size: 1.05rem;
    color: var(--text-bright);
}

.message.user .bubble-title { color: white; }

.copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 6px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.message.assistant .bubble:hover .copy-btn {
    opacity: 1;
}

.copy-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Quick pills in welcome */
.quick-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.quick-pill {
    background: var(--bg-hover);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 8px 14px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.82rem;
    font-family: inherit;
    transition: var(--transition);
    font-weight: 500;
}

.quick-pill:hover {
    background: var(--primary-glow);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}

/* Analysis bar */
.analysis-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    animation: msgIn 0.4s ease 0.1s both;
}

.analysis-badge {
    font-size: 0.72rem;
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    letter-spacing: 0.2px;
}

.ab-ok { background: var(--success-glow); color: var(--success); border: 1px solid rgba(34,197,94,0.2); }
.ab-warn { background: var(--warning-glow); color: var(--warning); border: 1px solid rgba(245,158,11,0.2); }
.ab-danger { background: var(--danger-glow); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.ab-info { background: var(--info-glow); color: var(--info); border: 1px solid rgba(59,130,246,0.2); }

/* Flag banner */
.flag-banner {
    background: linear-gradient(135deg, rgba(245,158,11,0.15) 0%, rgba(245,158,11,0.08) 100%);
    border: 1px solid rgba(245,158,11,0.25);
    color: var(--warning);
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    animation: msgIn 0.35s ease 0.15s both;
    font-weight: 500;
}

.flag-banner button {
    background: var(--warning);
    color: #1a1200;
    border: none;
    padding: 7px 16px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-weight: 700;
    font-size: 0.8rem;
    transition: var(--transition);
    white-space: nowrap;
    margin-left: 12px;
}

.flag-banner button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245,158,11,0.3);
}

/* Chat input */
.chat-input-area {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-shrink: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    box-shadow: var(--shadow);
}

.input-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2px;
}

.toggle-sm {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    user-select: none;
}

.toggle-sm input { display: none; }

.toggle-track {
    width: 36px;
    height: 20px;
    background: var(--border);
    border-radius: 10px;
    position: relative;
    transition: var(--transition);
}

.toggle-track::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    background: var(--text-muted);
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: var(--transition);
}

.toggle-sm input:checked + .toggle-track {
    background: var(--primary-glow);
    box-shadow: 0 0 0 1px var(--primary-glow-strong);
}

.toggle-sm input:checked + .toggle-track::after {
    background: var(--primary);
    left: 19px;
    box-shadow: 0 0 8px var(--primary-glow-strong);
}

.btn-ghost-sm {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 7px 14px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-size: 0.82rem;
    font-family: inherit;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-ghost-sm:hover {
    border-color: var(--danger);
    color: var(--danger);
    background: var(--danger-glow);
}

.input-row {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.input-row textarea {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    resize: none;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    max-height: 200px;
    min-height: 52px;
    transition: var(--transition);
    line-height: 1.5;
}

.input-row textarea:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-glow), 0 0 20px var(--primary-glow);
}

.input-row textarea::placeholder { color: var(--text-dim); }

.input-hint {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-align: center;
    font-weight: 500;
}

.input-hint kbd {
    background: var(--bg-hover);
    border: 1px solid var(--border);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* ===== BUTTONS ===== */
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dim) 100%);
    color: white;
    border: none;
    padding: 14px 24px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    font-family: inherit;
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--primary-glow-strong);
}

.btn-primary:active { transform: translateY(0); }

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-primary.full { width: 100%; }

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    font-family: inherit;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-ghost:hover {
    border-color: var(--border-light);
    color: var(--text);
    background: var(--bg-hover);
}

/* ===== SETTINGS ===== */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 24px 28px;
    overflow-y: auto;
}

.settings-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

.settings-card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-sm);
}

.settings-card h3 {
    font-size: 1rem;
    margin-bottom: 24px;
    color: var(--text-bright);
    font-weight: 700;
    letter-spacing: -0.2px;
}

.stats-card {
    grid-column: span 2;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.stat-box {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 24px 16px;
    text-align: center;
    transition: var(--transition);
}

.stat-box:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 6px;
    letter-spacing: -0.5px;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 18px;
}

.form-group.half { flex: 1; }
.form-group.third { flex: 1; }

.form-row {
    display: flex;
    gap: 14px;
}

label {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 600;
}

.req {
    color: var(--danger);
    margin-left: 2px;
}

.field-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-top: 6px;
    font-weight: 400;
}

.field-error {
    display: none;
    font-size: 0.78rem;
    color: var(--danger);
    margin-top: 6px;
    font-weight: 500;
    padding: 4px 8px;
    background: var(--danger-glow);
    border-radius: var(--radius-xs);
}

input, textarea, select {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 11px 16px;
    border-radius: var(--radius-xs);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

input:focus, textarea:focus, select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-glow), 0 0 16px var(--primary-glow);
}

input::placeholder, textarea::placeholder { color: var(--text-dim); }

textarea { resize: vertical; min-height: 64px; }

/* ===== TEACHING ===== */
.sub-tabs {
    display: flex;
    gap: 10px;
}

.sub-tab {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 7px 18px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    font-family: inherit;
    transition: var(--transition);
    font-weight: 500;
}

.sub-tab:hover {
    border-color: var(--border-light);
    color: var(--text);
    background: var(--bg-hover);
}

.sub-tab.active {
    background: var(--primary-glow);
    border-color: var(--primary);
    color: var(--primary);
    font-weight: 600;
    box-shadow: 0 0 0 1px var(--primary-glow-strong);
}

.sub-panel {
    display: none;
    flex: 1;
    overflow: hidden;
    flex-direction: column;
}

.sub-panel.active { display: flex; }

.teach-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
    gap: 28px;
    padding: 24px 28px;
}

.teach-form {
    width: 420px;
    overflow-y: auto;
    flex-shrink: 0;
}

.teach-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.list-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    flex-shrink: 0;
    gap: 12px;
}

.list-toolbar h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-bright);
}

.toolbar-right {
    display: flex;
    gap: 10px;
    align-items: center;
}

.search-input {
    width: 200px;
    font-size: 0.85rem;
    padding: 8px 14px;
}

.filter-select {
    width: auto;
    min-width: 150px;
    font-size: 0.85rem;
    padding: 8px 14px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-sm);
}

.card h3 {
    font-size: 1rem;
    margin-bottom: 20px;
    font-weight: 700;
    color: var(--text-bright);
}

/* ===== MATERIALS LIST ===== */
.materials-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
}

.material-item {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px;
    transition: var(--transition);
    animation: msgIn 0.3s ease;
}

.material-item:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.material-item.inactive {
    opacity: 0.35;
    filter: grayscale(0.5);
}

.material-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
    gap: 14px;
}

.material-title {
    font-weight: 700;
    font-size: 0.95rem;
    line-height: 1.4;
    flex: 1;
    color: var(--text-bright);
}

.material-badges {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.badge-small {
    font-size: 0.7rem;
    padding: 4px 12px;
    border-radius: 6px;
    font-weight: 600;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.badge-cat { background: var(--primary-glow); color: var(--primary); border: 1px solid var(--primary-glow-strong); }
.badge-auth-high { background: var(--danger-glow); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.badge-auth-medium { background: var(--warning-glow); color: var(--warning); border: 1px solid rgba(245,158,11,0.2); }
.badge-auth-low { background: var(--info-glow); color: var(--info); border: 1px solid rgba(59,130,246,0.2); }
.badge-auth-forbidden { background: var(--danger-glow); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }
.badge-action { background: rgba(168, 85, 247, 0.12); color: #a855f7; border: 1px solid rgba(168,85,247,0.2); }

.material-content {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 14px;
}

.material-content .label {
    color: var(--text-bright);
    font-weight: 600;
    font-size: 0.78rem;
    display: block;
    margin-top: 12px;
    margin-bottom: 4px;
    opacity: 0.8;
}

.material-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.material-meta {
    font-size: 0.75rem;
    color: var(--text-dim);
    font-weight: 500;
}

.material-actions {
    display: flex;
    gap: 8px;
}

.btn-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 5px 12px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-size: 0.75rem;
    font-family: inherit;
    font-weight: 600;
    transition: var(--transition);
}

.btn-toggle.active {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-glow);
}

.btn-toggle:hover {
    border-color: var(--border-light);
    color: var(--text);
}

.btn-danger {
    background: transparent;
    border: 1px solid var(--danger-dim);
    color: var(--danger);
    padding: 5px 12px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-size: 0.75rem;
    font-family: inherit;
    font-weight: 600;
    transition: var(--transition);
}

.btn-danger:hover {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 12px var(--danger-glow);
}

/* ===== REVIEW PANEL ===== */
.filter-pills {
    display: flex;
    gap: 10px;
}

.pill {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 7px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    font-family: inherit;
    font-weight: 500;
    transition: var(--transition);
}

.pill:hover {
    border-color: var(--border-light);
    color: var(--text);
    background: var(--bg-hover);
}

.pill.active {
    background: var(--primary-glow);
    border-color: var(--primary);
    color: var(--primary);
    font-weight: 600;
    box-shadow: 0 0 0 1px var(--primary-glow-strong);
}

.flags-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.flag-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    animation: msgIn 0.35s ease;
    transition: var(--transition);
}

.flag-card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-sm);
}

.flag-card.pending { border-left: 4px solid var(--warning); }
.flag-card.resolved { border-left: 4px solid var(--success); opacity: 0.85; }
.flag-card.dismissed { border-left: 4px solid var(--text-dim); opacity: 0.6; }

.flag-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 14px;
    gap: 14px;
}

.flag-question {
    font-weight: 700;
    font-size: 1.05rem;
    line-height: 1.4;
    flex: 1;
    color: var(--text-bright);
}

.flag-status {
    font-size: 0.72rem;
    padding: 5px 14px;
    border-radius: 20px;
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.status-pending { background: var(--warning-glow); color: var(--warning); border: 1px solid rgba(245,158,11,0.2); }
.status-resolved { background: var(--success-glow); color: var(--success); border: 1px solid rgba(34,197,94,0.2); }
.status-dismissed { background: rgba(122, 122, 154, 0.1); color: var(--text-dim); border: 1px solid rgba(122,122,154,0.2); }

.flag-reason {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.flag-context {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    margin-bottom: 14px;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.flag-context .ctx-label {
    color: var(--text-bright);
    font-weight: 700;
    font-size: 0.78rem;
    display: block;
    margin-bottom: 6px;
    opacity: 0.8;
}

.flag-ai-response {
    background: var(--bg-elevated);
    border-left: 4px solid var(--info);
    padding: 14px 18px;
    margin-bottom: 18px;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.flag-ai-response .ctx-label {
    color: var(--info);
    font-weight: 700;
    font-size: 0.78rem;
    display: block;
    margin-bottom: 6px;
}

.flag-actions { display: flex; flex-direction: column; gap: 14px; }

.flag-answer-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.flag-answer-form textarea {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    resize: vertical;
    min-height: 90px;
    transition: var(--transition);
}

.flag-answer-form textarea:focus {
    border-color: var(--border-focus);
    outline: none;
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.convert-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.convert-options label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    cursor: pointer;
    margin-bottom: 0;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: var(--radius-xs);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.convert-options label:hover {
    border-color: var(--border-light);
    color: var(--text);
}

.convert-options input {
    width: auto;
    accent-color: var(--primary);
}

.convert-fields {
    display: none;
    flex-direction: column;
    gap: 12px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px;
    animation: msgIn 0.25s ease;
}

.convert-fields.active { display: flex; }

.convert-fields .form-row { gap: 12px; }

.convert-fields input, .convert-fields select {
    padding: 9px 12px;
    font-size: 0.85rem;
}

.convert-section-title {
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
    font-size: 0.82rem;
    letter-spacing: 0.3px;
}

.flag-btn-row {
    display: flex;
    gap: 12px;
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #16a34a 100%);
    color: white;
    border: none;
    padding: 11px 24px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition);
    box-shadow: 0 4px 12px var(--success-glow);
}

.btn-success:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(34,197,94,0.25);
}

.btn-muted {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 11px 24px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-size: 0.9rem;
    font-family: inherit;
    font-weight: 500;
    transition: var(--transition);
}

.btn-muted:hover {
    border-color: var(--border-light);
    color: var(--text);
    background: var(--bg-hover);
}

.admin-answer-display {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    margin-top: 10px;
}

.admin-answer-display .ans-label {
    font-size: 0.72rem;
    color: var(--success);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 8px;
    display: block;
    letter-spacing: 0.5px;
}

.admin-answer-display .ans-text {
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.6;
}

.converted-badge {
    font-size: 0.75rem;
    padding: 5px 12px;
    border-radius: 6px;
    font-weight: 600;
    margin-top: 10px;
    display: inline-block;
}

.converted-badge.decision { background: var(--primary-glow); color: var(--primary); border: 1px solid var(--primary-glow-strong); }
.converted-badge.behavior { background: var(--info-glow); color: var(--info); border: 1px solid rgba(59,130,246,0.2); }
.converted-badge.authority { background: var(--warning-glow); color: var(--warning); border: 1px solid rgba(245,158,11,0.2); }

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    font-size: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    animation: msgIn 0.4s ease;
}

.empty-icon {
    font-size: 2.5rem;
    opacity: 0.5;
}

.empty-title {
    font-weight: 700;
    color: var(--text);
    font-size: 1.1rem;
}

.empty-desc {
    font-size: 0.9rem;
    color: var(--text-dim);
    max-width: 400px;
}

/* ===== TYPING ===== */
.typing {
    display: flex;
    padding: 0;
}

.typing .bubble {
    display: flex;
    gap: 5px;
    padding: 16px 20px;
}

.typing span {
    width: 8px;
    height: 8px;
    background: var(--text-dim);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.typing span:nth-child(1) { animation-delay: -0.32s; }
.typing span:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #2a2a45; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #3a3a55; }

/* ===== TOAST ===== */
.toast {
    position: fixed;
    bottom: 28px;
    right: 28px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dim) 100%);
    color: white;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 20px var(--primary-glow);
    animation: msgIn 0.3s ease;
}

.toast.error {
    background: linear-gradient(135deg, var(--danger) 0%, var(--danger-dim) 100%);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 20px var(--danger-glow);
}

.toast.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeOut {
    to { opacity: 0; transform: translateY(10px); }
}

/* ===== SKELETON ===== */
.skeleton-item {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px;
    animation: skeletonPulse 1.5s ease-in-out infinite;
}

.skeleton-line {
    height: 14px;
    background: var(--border);
    border-radius: 4px;
    margin-bottom: 10px;
    width: 100%;
}

.skeleton-line.short { width: 40%; }
.skeleton-line.medium { width: 70%; margin-bottom: 0; }

@keyframes skeletonPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ===== SPINNER ===== */
.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
    .sidebar { width: 72px; }
    .nav-label, .brand-text, .status-text { display: none; }
    .nav-brand { justify-content: center; padding: 22px 10px; }
    .nav-item { justify-content: center; padding: 14px; }
    .nav-badge { position: absolute; top: 6px; right: 6px; margin: 0; font-size: 0.6rem; padding: 1px 5px; }
    .settings-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
    .stats-card { grid-column: span 1; }
    .teach-layout { flex-direction: column; }
    .teach-form { width: 100%; }
    .search-input { width: 160px; }
}

@media (max-width: 700px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { flex-direction: column; gap: 0; }
    .panel-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    .sub-tabs { flex-wrap: wrap; }
    .chat-container { padding: 14px; }
    .message { max-width: 95%; }
    .flags-list { padding: 0 14px 14px; }
    .settings-grid { padding: 14px; }
    .teach-layout { padding: 14px; gap: 16px; }
    .input-hint { display: none; }
}

/* ===== VOICE BAR ===== */
.voice-bar {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 0 4px;
    margin-top: 4px;
}

.voice-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 10px 18px;
    border-radius: 24px;
    cursor: pointer;
    font-size: 0.85rem;
    font-family: inherit;
    font-weight: 600;
    transition: var(--transition);
    user-select: none;
    -webkit-user-select: none;
}

.voice-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-glow);
    box-shadow: 0 0 0 1px var(--primary-glow-strong);
}

.voice-btn.recording {
    background: var(--danger-glow);
    border-color: var(--danger);
    color: var(--danger);
    animation: pulse 1s infinite;
    box-shadow: 0 0 0 1px rgba(239,68,68,0.3);
}

.voice-btn.recording svg {
    animation: micPulse 1s infinite;
}

@keyframes micPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.7; }
}

.voice-wave {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 24px;
}

.voice-wave.hidden { display: none; }

.voice-wave span {
    width: 4px;
    background: var(--primary);
    border-radius: 2px;
    animation: wave 0.8s ease-in-out infinite;
}

.voice-wave span:nth-child(1) { height: 8px; animation-delay: 0s; }
.voice-wave span:nth-child(2) { height: 16px; animation-delay: 0.1s; }
.voice-wave span:nth-child(3) { height: 24px; animation-delay: 0.2s; }
.voice-wave span:nth-child(4) { height: 16px; animation-delay: 0.3s; }
.voice-wave span:nth-child(5) { height: 8px; animation-delay: 0.4s; }

@keyframes wave {
    0%, 100% { transform: scaleY(0.5); opacity: 0.5; }
    50% { transform: scaleY(1); opacity: 1; }
}

.voice-status {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    min-width: 30px;
    font-variant-numeric: tabular-nums;
}

/* ===== TTS BUTTON ===== */
.tts-btn {
    position: absolute;
    top: 8px;
    right: 40px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 6px;
    border-radius: var(--radius-xs);
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.message.assistant .bubble:hover .tts-btn {
    opacity: 1;
}

.tts-btn:hover {
    background: var(--info);
    border-color: var(--info);
    color: white;
    box-shadow: 0 0 10px var(--info-glow);
}

.tts-btn.playing {
    opacity: 1 !important;
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    animation: pulse 1.5s infinite;
}

/* Adjust copy button position to make room for TTS */
.message.assistant .bubble:hover .copy-btn {
    right: 8px;
}

/* ===== RESPONSIVE VOICE ===== */
@media (max-width: 700px) {
    .voice-bar {
        gap: 10px;
    }
    .voice-btn {
        padding: 8px 14px;
        font-size: 0.8rem;
    }
    .voice-wave {
        display: none;
    }
}