:root {
    --bg-dark: #0a0a0f;
    --panel-bg: rgba(25, 25, 35, 0.6);
    --panel-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b5;
    --accent-color: #8b5cf6;
    --accent-hover: #7c3aed;
    --glass-blur: blur(16px);
    --bot-msg-bg: rgba(139, 92, 246, 0.15);
    --bot-msg-border: rgba(139, 92, 246, 0.3);
    --user-msg-bg: rgba(45, 45, 55, 0.8);
    --success: #10b981;
    --error: #ef4444;
    --google-blue: #4285F4;
    --google-blue-hover: #3367d6;
    --warning-bg: rgba(245, 158, 11, 0.15);
    --warning-border: rgba(245, 158, 11, 0.4);
    --warning-text: #fbbf24;
}

/* ── Disconnection banner ── */
.disconnect-banner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 2rem;
    background: var(--warning-bg);
    border-bottom: 1px solid var(--warning-border);
    color: var(--warning-text);
    font-size: 0.9rem;
    z-index: 20;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-100%); }
    to   { opacity: 1; transform: translateY(0); }
}

.disconnect-banner span { flex: 1; }

.reconnect-btn {
    background: var(--warning-text);
    color: #1a1a2e;
    border: none;
    padding: 0.45rem 1rem;
    border-radius: 8px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    flex-shrink: 0;
}
.reconnect-btn:hover:not(:disabled) { opacity: 0.85; transform: scale(1.02); }
.reconnect-btn:disabled { opacity: 0.5; cursor: not-allowed; }



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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    background-image: radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.08), transparent 25%),
                      radial-gradient(circle at 85% 30%, rgba(56, 189, 248, 0.08), transparent 25%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow: hidden;
}

.hidden { display: none !important; }

.glass-panel {
    background: var(--panel-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--panel-border);
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    font-size: 1.1rem;
}
.icon-btn:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }

/* ── Layout ── */
.app-container { display: flex; width: 100vw; height: 100vh; }

/* ── Sidebar ── */
.sidebar {
    width: 320px;
    height: 100%;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--panel-border);
    z-index: 10;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--panel-border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.2rem;
    color: #fff;
}
.logo i { color: var(--accent-color); font-size: 1.5rem; }

/* ── Auth Panel ── */
.auth-panel {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
}

.auth-hero {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.auth-icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--google-blue), #34a853);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    box-shadow: 0 8px 20px rgba(66, 133, 244, 0.3);
    margin-bottom: 0.5rem;
}

.auth-hero h3 { font-size: 1.2rem; font-weight: 600; }

.auth-hero p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

.google-btn {
    background: var(--google-blue);
    color: white;
    border: none;
    padding: 0.85rem 1.5rem;
    border-radius: 10px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}
.google-btn:hover:not(:disabled) {
    background: var(--google-blue-hover);
    box-shadow: 0 4px 14px rgba(66,133,244,0.4);
    transform: translateY(-1px);
}
.google-btn:disabled {
    background: rgba(66,133,244,0.4);
    cursor: not-allowed;
    transform: none;
}

.refresh-tokens-btn {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-color);
    border: 1px solid rgba(139, 92, 246, 0.3);
    padding: 0.7rem 1.2rem;
    border-radius: 10px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.refresh-tokens-btn:hover:not(:disabled) {
    background: rgba(139, 92, 246, 0.25);
    border-color: var(--accent-color);
}
.refresh-tokens-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.token-status-panel {
    width: 100%;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 0.85rem;
    margin-bottom: 0.5rem;
}

.token-status-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.token-status-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.token-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.token-badge-ok {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.token-badge-aging {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning-text);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.token-badge-warning {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.token-badge-error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.token-detail {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.auth-help {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-align: center;
    opacity: 0.7;
}

.auth-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: center;
    min-height: 1.2em;
    transition: color 0.3s;
}
.auth-note.error { color: var(--error); }
.auth-note.success { color: var(--success); }

/* ── Notebook Panel (post-login) ── */
.config-section {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: 12px;
    padding: 0.75rem 1rem;
}

.user-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), #3b82f6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    flex-shrink: 0;
}

.user-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}
.user-name { font-size: 0.9rem; font-weight: 600; }
.user-sub { font-size: 0.75rem; color: var(--text-secondary); }

.logout-btn { color: var(--text-secondary); flex-shrink: 0; }
.logout-btn:hover { color: var(--error); background: rgba(239,68,68,0.1); }

.input-group { display: flex; flex-direction: column; gap: 0.5rem; }

.input-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-group select {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--panel-border);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-family: 'Outfit', sans-serif;
    outline: none;
    transition: all 0.2s ease;
    cursor: pointer;
}
.input-group select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.2);
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--panel-border);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.dot { width: 8px; height: 8px; border-radius: 50%; }
.dot.offline { background-color: var(--error); }
.dot.connecting { background-color: #f59e0b; animation: pulse 1s infinite; }
.dot.online { background-color: var(--success); }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ── Main Chat ── */
.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.chat-header {
    height: 70px;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--panel-border);
    z-index: 10;
}
.chat-header h2 { font-size: 1.1rem; font-weight: 500; }

.chat-history {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* ── Messages ── */
.message {
    display: flex;
    gap: 1rem;
    max-width: 80%;
    animation: fadeIn 0.3s ease-out;
}
.message.user { align-self: flex-end; flex-direction: row-reverse; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.message.bot .avatar { background: linear-gradient(135deg, var(--accent-color), #3b82f6); color: white; }
.message.user .avatar { background: var(--text-secondary); color: var(--bg-dark); }

.msg-bubble {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    line-height: 1.6;
    font-size: 0.95rem;
}
.message.user .msg-bubble { background: var(--user-msg-bg); border-top-right-radius: 4px; }
.message.bot .msg-bubble { background: var(--bot-msg-bg); border: 1px solid var(--bot-msg-border); border-top-left-radius: 4px; }

/* ── Welcome screen ── */
.welcome-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin: auto;
    max-width: 500px;
    padding: 3rem;
    background: rgba(255,255,255,0.03);
    border-radius: 16px;
    border: 1px solid var(--panel-border);
}
.welcome-message .ai-avatar {
    width: 60px; height: 60px;
    background: linear-gradient(135deg, var(--accent-color), #3b82f6);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
}
.welcome-message h3 { margin-bottom: 0.5rem; font-size: 1.5rem; }
.welcome-message p { color: var(--text-secondary); line-height: 1.6; }

/* ── Chat Input ── */
.chat-input-container {
    padding: 1rem 2rem;
    border-top: 1px solid var(--panel-border);
    position: relative;
    z-index: 10;
}

.context-preview { display: flex; flex-wrap: wrap; gap: 0.5rem; transition: margin 0.2s ease; }
.context-preview:not(:empty) { margin-bottom: 1rem; }

.file-chip {
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid rgba(139, 92, 246, 0.4);
    color: #e2e8f0;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: scaleIn 0.2s ease-out;
}
@keyframes scaleIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.file-chip .remove-file { cursor: pointer; color: var(--text-secondary); transition: color 0.2s; }
.file-chip .remove-file:hover { color: var(--error); }

.chat-form {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    padding: 0.5rem;
    transition: border-color 0.2s;
}
.chat-form:focus-within { border-color: rgba(139,92,246,0.5); }

#message-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 0.8rem 0.5rem;
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    resize: none;
    outline: none;
    max-height: 150px;
    overflow-y: auto;
}

.submit-btn { background: var(--accent-color); color: white; }
.submit-btn:hover:not(:disabled) { background: var(--accent-hover); transform: scale(1.05); }
.submit-btn:disabled { background: transparent; color: var(--text-secondary); cursor: not-allowed; opacity: 0.5; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ═══════════════════════════════════════════════════════════════
   MODAL & SETTINGS STYLES
   ═══════════════════════════════════════════════════════════════ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--panel-border);
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.modal-header-warning h2 {
    color: var(--warning-text);
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

/* Settings Button in Header */
.settings-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s;
}

.settings-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

/* Settings Sections */
.settings-section {
    margin-bottom: 2rem;
}

.settings-section:last-child {
    margin-bottom: 0;
}

.settings-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
}

.settings-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.settings-note {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Token Status Display */
.token-status-display {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 1rem;
}

.token-status-row {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.token-status-row:last-child {
    border-bottom: none;
}

.token-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.token-value {
    font-weight: 500;
    font-size: 0.9rem;
}

.token-value.ok { color: var(--success); }
.token-value.warning { color: var(--warning-text); }
.token-value.error { color: var(--error); }

/* Cookie Instructions */
.cookie-instructions {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.cookie-instructions h4 {
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.cookie-instructions ol {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.8;
}

.cookie-instructions a {
    color: var(--accent-color);
    text-decoration: none;
}

.cookie-instructions a:hover {
    text-decoration: underline;
}

.cookie-instructions code {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85em;
}

/* Cookie Input */
.cookie-input-area {
    margin-top: 1rem;
}

.cookie-input-area label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

#cookie-textarea {
    width: 100%;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-family: monospace;
    font-size: 0.8rem;
    resize: vertical;
    min-height: 100px;
    box-sizing: border-box;
}

#cookie-textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

#cookie-textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.cookie-input-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--panel-border);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Connection Result */
.connection-result {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    display: none;
}

.connection-result.success {
    display: block;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.connection-result.error {
    display: block;
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--error);
}

.connection-result.loading {
    display: block;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--warning-text);
}

/* Token Expired Modal */
.modal-header-warning {
    background: rgba(245, 158, 11, 0.1);
    border-bottom: 1px solid rgba(245, 158, 11, 0.3);
}

.modal-header-warning h2 {
    color: var(--warning-text);
}

#token-expired-modal .modal-body {
    text-align: center;
}

#token-expired-modal .modal-body p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

#token-expired-modal .modal-body .btn {
    margin: 0 auto;
}

/* ── Research Modal Styles ── */
.modal-content-large {
    max-width: 700px;
}

.research-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.input-group input[type="text"] {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    outline: none;
    transition: all 0.2s;
    width: 100%;
}

.input-group input[type="text"]:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.2);
}

.input-group input[type="text"]::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.research-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn-full {
    width: 100%;
}

/* Research Progress */
.research-progress {
    text-align: center;
    padding: 2rem 0;
}

.research-status {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(139, 92, 246, 0.2);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

#research-status-title {
    font-size: 1.25rem;
    font-weight: 600;
}

#research-status-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.research-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.progress-bar-container {
    width: 100%;
    max-width: 400px;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin: 1.5rem auto 0;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), #3b82f6);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.research-sources-preview {
    margin-top: 2rem;
    text-align: left;
}

.research-sources-preview h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#sources-list {
    list-style: none;
    padding: 0;
    max-height: 200px;
    overflow-y: auto;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    border: 1px solid var(--panel-border);
}

#sources-list li {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

#sources-list li:last-child {
    border-bottom: none;
}

#sources-list li i {
    color: var(--accent-color);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

#sources-list li span {
    word-break: break-word;
}

/* Research Complete */
.research-complete {
    text-align: center;
    padding: 2rem 0;
}

.success-icon {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: 1rem;
}

#research-complete-container h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

#research-complete-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Research Error */
.research-error {
    text-align: center;
    padding: 2rem 0;
}

.error-icon {
    font-size: 4rem;
    color: var(--error);
    margin-bottom: 1rem;
}

#research-error-container h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

#research-error-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}