/* ===== AI Panel ===== */
.ai-panel {
    grid-row: 2 / 3;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-default);
    display: flex;
    flex-direction: column;
}

.ai-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-default);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ai-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-white);
}

.ai-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--accent-secondary), #059669);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.ai-model-selector {
    font-size: 12px;
    color: var(--text-secondary);
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s;
}

.ai-model-selector:hover { background: var(--bg-hover); }

/* ===== AI Input ===== */
.ai-input-area {
    padding: 12px;
    border-bottom: 1px solid var(--border-default);
}

.ai-input-wrapper {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 12px;
    border: 1px solid var(--border-default);
    transition: border-color 0.15s;
}

.ai-input-wrapper:focus-within { border-color: var(--accent-primary); }

.ai-input {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    resize: none;
    min-height: 60px;
    outline: none;
    line-height: 1.5;
}

.ai-input::placeholder { color: var(--text-muted); }

.ai-input-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
}

.ai-quick-actions {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.quick-btn {
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    background: var(--bg-hover);
    color: var(--text-secondary);
    border: none;
    transition: all 0.15s;
}

.quick-btn:hover {
    color: var(--text-white);
    background: var(--bg-input);
}

.ai-send-btn {
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    background: var(--accent-primary);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s;
}

.ai-send-btn:hover { box-shadow: 0 0 12px var(--glow-primary); }

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

.ai-send-btn.loading { background: var(--bg-tertiary); }

/* ===== AI Chat ===== */
.ai-chat {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.ai-message {
    margin-bottom: 16px;
    animation: messageSlideIn 0.3s ease;
}

@keyframes messageSlideIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.message-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.message-avatar {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.message-avatar.user { background: var(--accent-primary); color: white; }
.message-avatar.ai { background: var(--accent-secondary); color: white; }
.message-avatar.system { background: var(--bg-tertiary); color: var(--text-secondary); }

.message-role {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-white);
}

.message-time {
    font-size: 11px;
    color: var(--text-muted);
    margin-left: auto;
}

.message-content {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 12px;
    font-size: 14px;
    line-height: 1.6;
    overflow-x: auto;
}

.message-content p { margin: 8px 0; }
.message-content p:first-child { margin-top: 0; }
.message-content p:last-child { margin-bottom: 0; }

.message-content pre {
    background: var(--bg-primary);
    padding: 12px;
    border-radius: 6px;
    margin: 12px 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    overflow-x: auto;
    border: 1px solid var(--border-default);
}

.message-content code {
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
}

.message-content ul, .message-content ol {
    margin: 8px 0;
    padding-left: 20px;
}

.message-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.action-btn {
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    border: none;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    gap: 4px;
}

.action-btn.apply {
    background: var(--accent-success);
    color: white;
}

.action-btn.apply:hover { box-shadow: 0 0 8px rgba(34, 197, 94, 0.3); }

.action-btn.reject {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-default);
}

.action-btn.reject:hover {
    background: var(--bg-hover);
    color: var(--accent-error);
    border-color: var(--accent-error);
}

/* ===== Loading Indicator ===== */
.ai-loading {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    color: var(--text-secondary);
    font-size: 13px;
}

.loading-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-default);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ===== Thinking Animation ===== */
@keyframes thinking {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.thinking-indicator { display: flex; gap: 4px; }

.thinking-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: thinking 1.4s ease-in-out infinite;
}

.thinking-dot:nth-child(2) { animation-delay: 0.2s; }
.thinking-dot:nth-child(3) { animation-delay: 0.4s; }