/* Moon Studio — theme tokens */
html[data-theme="light"] {
    --mc-bg: #f4f6f8;
    --mc-surface: #ffffff;
    --mc-surface-2: #e8ecf0;
    --mc-text: #1a1f2e;
    --mc-muted: #5c6578;
    --mc-accent: #2563eb;
    --mc-accent-2: #7c3aed;
    --mc-border: #d0d7e2;
    --mc-user-bg: #e0ecff;
    --mc-bot-bg: #f0f2f5;
    --mc-danger: #dc2626;
    --mc-header-font: 'Rajdhani', sans-serif;
}

html[data-theme="dark"] {
    --mc-bg: #0d1117;
    --mc-surface: #161b22;
    --mc-surface-2: #21262d;
    --mc-text: #e6edf3;
    --mc-muted: #8b949e;
    --mc-accent: #58a6ff;
    --mc-accent-2: #a371f7;
    --mc-border: #30363d;
    --mc-user-bg: #1c2d4a;
    --mc-bot-bg: #1a2028;
    --mc-danger: #f85149;
    --mc-header-font: 'Rajdhani', sans-serif;
}

html[data-theme="colony"] {
    --mc-bg: #0a0e27;
    --mc-surface: #1a1f3a;
    --mc-surface-2: #2a2f4a;
    --mc-text: #e8f4f8;
    --mc-muted: #9eb4c8;
    --mc-accent: #00d4ff;
    --mc-accent-2: #ffd700;
    --mc-border: #3d4a6a;
    --mc-user-bg: rgba(0, 212, 255, 0.12);
    --mc-bot-bg: rgba(255, 215, 0, 0.06);
    --mc-danger: #ff4757;
    --mc-header-font: 'Orbitron', 'Rajdhani', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--mc-bg);
    color: var(--mc-text);
    font-family: 'Rajdhani', sans-serif;
}

.moon-chat-app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-height: 100vh;
}

.mc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    background: var(--mc-surface);
    border-bottom: 1px solid var(--mc-border);
    gap: 1rem;
    flex-wrap: wrap;
}

.mc-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--mc-header-font);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--mc-accent);
}

.mc-header-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.mc-model-select {
    min-width: 220px;
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--mc-border);
    background: var(--mc-surface-2);
    color: var(--mc-text);
    font-family: inherit;
}

.mc-token-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    background: var(--mc-surface-2);
    border: 1px solid var(--mc-border);
    font-size: 0.95rem;
    font-weight: 600;
}

.mc-token-badge.warning {
    border-color: var(--mc-danger);
    color: var(--mc-danger);
}

.mc-layout {
    display: flex;
    flex: 1;
    min-height: 0;
}

.mc-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.mc-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mc-msg {
    max-width: 85%;
    padding: 0.65rem 0.9rem;
    border-radius: 12px;
    line-height: 1.45;
    white-space: pre-wrap;
    word-break: break-word;
}

.mc-msg.user {
    align-self: flex-end;
    background: var(--mc-user-bg);
    border: 1px solid var(--mc-border);
}

.mc-msg.assistant {
    align-self: flex-start;
    background: var(--mc-bot-bg);
    border: 1px solid var(--mc-border);
}

.mc-msg-meta {
    font-size: 0.75rem;
    color: var(--mc-muted);
    margin-top: 0.25rem;
}

.mc-compose {
    padding: 0.75rem 1.25rem 1rem;
    border-top: 1px solid var(--mc-border);
    background: var(--mc-surface);
}

.mc-input {
    width: 100%;
    resize: vertical;
    min-height: 48px;
    max-height: 160px;
    padding: 0.6rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--mc-border);
    background: var(--mc-surface-2);
    color: var(--mc-text);
    font-family: inherit;
    font-size: 1rem;
}

.mc-compose-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
}

.mc-attach-btn {
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--mc-border);
    color: var(--mc-muted);
}

.mc-send-btn {
    padding: 0.5rem 1.25rem;
    border: none;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--mc-accent), var(--mc-accent-2));
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}

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

.mc-sidebar {
    width: 280px;
    border-left: 1px solid var(--mc-border);
    background: var(--mc-surface);
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.mc-sidebar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--mc-border);
}

.mc-sidebar-head h2 {
    margin: 0;
    font-size: 1.1rem;
}

.mc-session-list {
    list-style: none;
    margin: 0;
    padding: 0.5rem;
    overflow-y: auto;
    flex: 1;
}

.mc-session-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.35rem;
}

.mc-session-item button.mc-session-btn {
    flex: 1;
    text-align: left;
    padding: 0.5rem 0.65rem;
    border-radius: 8px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--mc-text);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
}

.mc-session-item button.mc-session-btn.active,
.mc-session-item button.mc-session-btn:hover {
    background: var(--mc-surface-2);
    border-color: var(--mc-border);
}

.mc-session-item .mc-del {
    border: none;
    background: transparent;
    color: var(--mc-muted);
    cursor: pointer;
    padding: 0.25rem;
}

.mc-session-item .mc-del:hover {
    color: var(--mc-danger);
}

.mc-auth {
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--mc-border);
    font-size: 0.9rem;
}

.mc-login-form {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin: 0.35rem 0;
}

.mc-login-form input {
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--mc-border);
    background: var(--mc-surface-2);
    color: var(--mc-text);
}

.mc-btn-sm {
    padding: 0.35rem 0.65rem;
    border-radius: 6px;
    border: 1px solid var(--mc-border);
    background: var(--mc-surface-2);
    color: var(--mc-text);
    cursor: pointer;
    font-family: inherit;
}

.mc-btn-ghost {
    background: transparent;
}

.mc-btn-danger {
    color: var(--mc-danger);
    border-color: var(--mc-danger);
}

.mc-clear-all {
    margin: 0.5rem 1rem 1rem;
}

.mc-icon-btn {
    border: none;
    background: var(--mc-accent);
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
}

.mc-theme-switcher {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    display: flex;
    gap: 0.35rem;
    padding: 0.35rem;
    border-radius: 999px;
    background: var(--mc-surface);
    border: 1px solid var(--mc-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    z-index: 100;
}

.mc-theme-switcher button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--mc-muted);
    cursor: pointer;
    font-size: 1rem;
}

.mc-theme-switcher button.active,
.mc-theme-switcher button:hover {
    background: var(--mc-surface-2);
    color: var(--mc-accent);
}

.mc-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.35rem;
}

.mc-attach-chip {
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    background: var(--mc-surface-2);
    border: 1px solid var(--mc-border);
}

.hidden {
    display: none !important;
}

/* —— AI working / thinking state —— */
.mc-workflow-status {
    margin: 0 1.25rem 0.5rem;
    padding: 0.65rem 0.85rem;
    border-radius: 10px;
    background: var(--mc-surface);
    border: 1px solid var(--mc-accent);
    box-shadow: 0 0 16px rgba(0, 212, 255, 0.15);
}

.mc-workflow-bar {
    height: 3px;
    border-radius: 3px;
    background: var(--mc-surface-2);
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.mc-workflow-bar-fill {
    display: block;
    height: 100%;
    width: 35%;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--mc-accent), var(--mc-accent-2));
    animation: mc-workflow-progress 1.4s ease-in-out infinite;
}

@keyframes mc-workflow-progress {
    0% { transform: translateX(-100%); width: 40%; }
    50% { width: 70%; }
    100% { transform: translateX(280%); width: 40%; }
}

.mc-workflow-text {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--mc-accent);
}

.mc-workflow-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--mc-border);
    border-top-color: var(--mc-accent);
    border-radius: 50%;
    flex-shrink: 0;
    animation: mc-spin 0.75s linear infinite;
}

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

.mc-msg.thinking {
    align-self: flex-start;
    background: var(--mc-bot-bg);
    border: 1px dashed var(--mc-accent);
    max-width: 90%;
}

.mc-thinking-inner {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.mc-thinking-icon {
    font-size: 1.25rem;
    color: var(--mc-accent);
    animation: mc-pulse-icon 1.2s ease-in-out infinite;
}

@keyframes mc-pulse-icon {
    0%, 100% { opacity: 0.5; transform: scale(0.95); }
    50% { opacity: 1; transform: scale(1.05); }
}

.mc-thinking-status {
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--mc-text);
}

.mc-thinking-dots {
    display: inline-flex;
    gap: 4px;
    margin-left: 0.25rem;
    vertical-align: middle;
}

.mc-thinking-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--mc-accent);
    animation: mc-dot-bounce 1.2s ease-in-out infinite;
}

.mc-thinking-dots span:nth-child(2) { animation-delay: 0.15s; }
.mc-thinking-dots span:nth-child(3) { animation-delay: 0.3s; }

@keyframes mc-dot-bounce {
    0%, 80%, 100% { transform: translateY(0); opacity: 0.35; }
    40% { transform: translateY(-5px); opacity: 1; }
}

.mc-thinking-hint {
    font-size: 0.8rem;
    color: var(--mc-muted);
    margin-top: 0.25rem;
}

.mc-compose.is-busy {
    opacity: 0.85;
    pointer-events: none;
}

.mc-send-btn .mc-btn-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 0.35rem;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    vertical-align: -2px;
    animation: mc-spin 0.75s linear infinite;
}

.mc-loading {
    /* kept for compatibility; prefer targeted .mc-compose.is-busy */
}

@media (max-width: 900px) {
    .mc-layout {
        flex-direction: column-reverse;
    }
    .mc-sidebar {
        width: 100%;
        max-height: 220px;
        border-left: none;
        border-top: 1px solid var(--mc-border);
    }
}