/* Ask Al Web Chat - V2025.12.27 */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    color: #e0e0e0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid #333;
    margin-bottom: 20px;
}

header img {
    max-height: 60px;
    margin-bottom: 10px;
}

header h1 {
    color: #4fc3f7;
    font-size: 1.8em;
    margin-bottom: 5px;
}

header p {
    color: #888;
    font-size: 0.9em;
}

/* Auth Section */
.auth-section {
    background: #1e1e2e;
    border-radius: 12px;
    padding: 30px;
    max-width: 400px;
    width: 100%;
    margin: 50px auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.auth-section h2 {
    color: #4fc3f7;
    margin-bottom: 20px;
    text-align: center;
}

.auth-section p {
    color: #aaa;
    margin-bottom: 20px;
    text-align: center;
    font-size: 0.9em;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #ccc;
    font-size: 0.9em;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #444;
    border-radius: 8px;
    background: #2a2a3e;
    color: #fff;
    font-size: 1em;
}

.form-group input:focus {
    outline: none;
    border-color: #4fc3f7;
}

.btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: #4fc3f7;
    color: #1a1a2e;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.btn:hover {
    background: #29b6f6;
}

.btn:disabled {
    background: #555;
    cursor: not-allowed;
}

.btn-secondary {
    margin-top: 10px;
    background: #444;
    color: #ccc;
}

.btn-secondary:hover {
    background: #555;
}

.error-msg {
    color: #ef5350;
    text-align: center;
    margin-top: 15px;
    font-size: 0.9em;
}

.success-msg {
    color: #66bb6a;
    text-align: center;
    margin-top: 15px;
    font-size: 0.9em;
}

/* Chat Section */
.chat-section {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.user-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: #1e1e2e;
    border-radius: 8px;
    margin-bottom: 15px;
}

.user-info span {
    color: #4fc3f7;
}

.logout-btn {
    padding: 6px 12px;
    background: transparent;
    border: 1px solid #666;
    border-radius: 6px;
    color: #999;
    cursor: pointer;
    font-size: 0.85em;
}

.logout-btn:hover {
    border-color: #ef5350;
    color: #ef5350;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    background: #1e1e2e;
    border-radius: 12px;
    margin-bottom: 15px;
    min-height: 400px;
    max-height: 60vh;
}

.message {
    margin-bottom: 15px;
    padding: 12px 15px;
    border-radius: 12px;
    max-width: 85%;
}

.message.user {
    background: #4fc3f7;
    color: #1a1a2e;
    margin-left: auto;
}

.message.assistant {
    background: #2a2a3e;
    color: #e0e0e0;
}

.message.system {
    background: #333;
    color: #888;
    text-align: center;
    max-width: 100%;
    font-size: 0.85em;
}

.chat-input-area {
    display: flex;
    gap: 10px;
}

.chat-input-area input {
    flex: 1;
    padding: 15px;
    border: 1px solid #444;
    border-radius: 12px;
    background: #2a2a3e;
    color: #fff;
    font-size: 1em;
}

.chat-input-area input:focus {
    outline: none;
    border-color: #4fc3f7;
}

.chat-input-area button {
    padding: 15px 25px;
    border: none;
    border-radius: 12px;
    background: #4fc3f7;
    color: #1a1a2e;
    font-weight: 600;
    cursor: pointer;
}

.chat-input-area button:disabled {
    background: #555;
    cursor: not-allowed;
}

.typing-indicator {
    color: #888;
    font-style: italic;
    padding: 10px;
}

.cursor {
    animation: blink 1s infinite;
    color: #4fc3f7;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hidden {
    display: none !important;
}

.footer {
    text-align: center;
    padding: 20px;
    color: #666;
    font-size: 12px;
    border-top: 1px solid #333;
    margin-top: auto;
}