/* Timeline Custom Styles */

/* API Key Settings Bar */
.api-key-bar {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 2rem;
    font-size: 0.85rem;
}

.api-key-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 250px;
}

.api-key-input {
    flex: 1;
    padding: 0.4rem 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    font-size: 0.8rem;
}

.api-key-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.api-key-status {
    font-size: 0.75rem;
    font-weight: 600;
}

/* Page Layout */
.timeline-page-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 992px) {
    .timeline-page-grid {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

/* Filters & Search */
.filters-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

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

.filter-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.4rem 0.8rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 8px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--accent-color);
    color: var(--bg-secondary);
    border-color: var(--accent-color);
    font-weight: 600;
}

/* Search bar styling */
.search-wrapper {
    position: relative;
    width: 100%;
}

.search-input {
    width: 100%;
    padding: 0.6rem 2.5rem 0.6rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 10px;
    font-size: 0.9rem;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.search-clear-btn {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 0.9rem;
}

/* Interactive Timeline Card List */
.timeline-interactive {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid var(--border-color);
}

.timeline-interactive::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: -2px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-color) 0%, var(--border-color) 100%);
}

.timeline-card-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-card-dot {
    position: absolute;
    left: calc(-2rem - 6px);
    top: 1.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    z-index: 2;
}

.timeline-card-wrapper.active .timeline-card-dot {
    background: var(--accent-color);
    border-color: var(--bg-secondary);
    box-shadow: 0 0 0 4px var(--accent-light);
    transform: scale(1.25);
}

.timeline-interactive-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.25rem;
    cursor: pointer;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

.timeline-interactive-card:hover {
    transform: translateX(5px);
    border-color: var(--border-color);
}

.timeline-card-wrapper.active .timeline-interactive-card {
    border-color: var(--accent-color);
    background: var(--bg-secondary);
    box-shadow: 0 10px 25px -10px var(--accent-light);
}

/* Timeline card header */
.timeline-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.timeline-card-period {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
}

/* Detailed card styles */
.detail-card {
    position: sticky;
    top: 2rem;
}

.detail-section-title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-info-block {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
}

/* Quote Panel */
.quote-panel {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.quote-text {
    font-size: 0.95rem;
    font-style: italic;
    color: var(--text-primary);
    line-height: 1.5;
}

.quote-author {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-align: right;
    margin-top: 0.5rem;
}

.quote-audio-btn {
    position: absolute;
    right: 1rem;
    top: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.quote-audio-btn:hover {
    background: var(--accent-color);
    color: var(--bg-secondary);
    border-color: var(--accent-color);
    transform: scale(1.05);
}

.quote-audio-btn.playing {
    background: var(--accent-color);
    color: var(--bg-secondary);
    border-color: var(--accent-color);
    animation: pulse-glow 1.5s infinite;
}

/* Philosopher List item */
.philosopher-list-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
}

.philosopher-list-item:last-child {
    margin-bottom: 0;
}

/* AI Chat Section */
.chat-section {
    border-top: 1px solid var(--border-color);
    margin-top: 1.5rem;
    padding-top: 1.5rem;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.chat-title-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chat-title-wrapper i {
    color: var(--accent-color);
}

.chat-log {
    height: 250px;
    overflow-y: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

/* Chat bubble styling */
.chat-msg {
    max-width: 85%;
    display: flex;
    flex-direction: column;
}

.chat-msg.user {
    align-self: flex-end;
    align-items: flex-end;
}

.chat-msg.assistant {
    align-self: flex-start;
    align-items: flex-start;
}

.chat-msg-sender {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-tertiary);
    margin-bottom: 0.2rem;
    padding: 0 0.2rem;
}

.chat-msg-bubble {
    padding: 0.6rem 0.8rem;
    border-radius: 14px;
    font-size: 0.8rem;
    line-height: 1.4;
}

.chat-msg.user .chat-msg-bubble {
    background: var(--accent-color);
    color: var(--bg-secondary);
    border-top-right-radius: 0;
}

.chat-msg.assistant .chat-msg-bubble {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-top-left-radius: 0;
}

/* Chat Input Bar */
.chat-form {
    display: flex;
    gap: 0.5rem;
}

.chat-input {
    flex: 1;
    padding: 0.6rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 10px;
    font-size: 0.85rem;
}

.chat-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.chat-send-btn {
    background: var(--accent-color);
    color: var(--bg-secondary);
    border: none;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.chat-send-btn:hover {
    background: var(--accent-hover);
}

.chat-send-btn:disabled {
    background: var(--border-color);
    color: var(--text-tertiary);
    cursor: not-allowed;
}

/* Chat Prompt Helper */
.chat-warning {
    font-size: 0.75rem;
    color: hsl(0, 75%, 55%);
    text-align: center;
    padding: 0.5rem;
    background: hsla(0, 75%, 50%, 0.1);
    border: 1px solid hsla(0, 75%, 50%, 0.2);
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

.chat-warning-info {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 0.75rem;
}

/* Animations */
@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 180, 216, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(0, 180, 216, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 180, 216, 0);
    }
}