/* Postacie Historyczne - Style */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --radius: 12px;
    --radius-lg: 16px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    text-align: center;
    padding: 40px 20px;
}

.back-link {
    display: inline-block;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 20px;
    transition: color 0.2s;
}

.back-link:hover {
    color: var(--primary-dark);
}

.header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
}

/* Characters Grid */
.characters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    padding: 20px 0;
}

/* Character Card */
.character-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
    border: 2px solid transparent;
}

.character-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.character-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: white;
    overflow: hidden;
}

.character-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.character-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
}

.character-era {
    text-align: center;
    color: var(--primary);
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.character-description {
    font-size: 0.9rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 16px;
    line-height: 1.5;
}

.character-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
}

.topic-tag {
    background: #e0e7ff;
    color: #4338ca;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Loading */
.loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

/* Footer */
.footer {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 640px) {
    .header h1 {
        font-size: 1.75rem;
    }
    
    .characters-grid {
        grid-template-columns: 1fr;
    }
    
    .character-card {
        padding: 20px;
    }
}

/* ========== CHAT PAGE STYLES ========== */

.chat-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    max-width: 800px;
    margin: 0 auto;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
}

.chat-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    flex-shrink: 0;
    overflow: hidden;
}

.chat-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chat-info {
    flex: 1;
}

.chat-info h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 700;
}

.chat-info p {
    font-size: 0.85rem;
    color: var(--text-light);
}

.chat-back {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.chat-back:hover {
    background: var(--bg);
}

/* Messages Area */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: var(--radius);
    line-height: 1.5;
}

.message.user {
    background: var(--primary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.message.assistant {
    background: var(--card-bg);
    color: var(--text);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    box-shadow: var(--shadow);
}

.message.system {
    background: #fef3c7;
    color: #92400e;
    align-self: center;
    font-size: 0.85rem;
    text-align: center;
    max-width: 100%;
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 16px;
    background: var(--card-bg);
    border-radius: var(--radius);
    width: fit-content;
    box-shadow: var(--shadow);
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-8px); }
}

/* Input Area */
.chat-input-area {
    padding: 16px 20px;
    background: var(--card-bg);
    border-top: 1px solid var(--border);
}

.chat-input-wrapper {
    display: flex;
    gap: 12px;
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    resize: none;
    outline: none;
    transition: border-color 0.2s;
}

.chat-input:focus {
    border-color: var(--primary);
}

.chat-send {
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
}

.chat-send:hover {
    background: var(--primary-dark);
}

.chat-send:disabled {
    background: var(--secondary);
    cursor: not-allowed;
}

.char-count {
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 6px;
}

/* Error Message */
.error-message {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 16px;
    border-radius: var(--radius);
    margin: 20px;
    text-align: center;
}

/* Mobile adjustments */
@media (max-width: 640px) {
    .chat-header {
        padding: 12px 16px;
    }
    
    .chat-avatar {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }
    
    .chat-info h2 {
        font-size: 1.1rem;
    }
    
    .chat-back {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
    
    .message {
        max-width: 90%;
    }
    
    .chat-input-wrapper {
        flex-direction: column;
    }
    
    .chat-send {
        width: 100%;
    }
}

/* ========== TTS BUTTON STYLES ========== */

.message {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.message-text {
    flex: 1;
}

.tts-btn {
    background: transparent;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 6px;
    transition: background 0.2s, transform 0.1s;
    flex-shrink: 0;
    opacity: 0.7;
}

.tts-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    opacity: 1;
    transform: scale(1.1);
}

.tts-btn.playing {
    opacity: 1;
    animation: pulse 1s infinite;
}

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

.message.assistant .tts-btn:hover {
    background: rgba(37, 99, 235, 0.1);
}

/* PRO badge */
.pro-badge {
    display: inline-block;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* TTS indicator in header */
.tts-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-left: 8px;
}

.tts-indicator.active {
    color: #059669;
}

.tts-indicator .dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #d1d5db;
}

.tts-indicator.active .dot {
    background: #10b981;
}