/* ── PicassoRayne.AI — Dark Theme ── */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2333;
    --bg-input: #0d1117;
    --border: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #484f58;
    --accent: #7c5cbf;
    --accent-hover: #9171d4;
    --accent-dim: rgba(124, 92, 191, 0.15);
    --success: #3fb950;
    --warning: #d29922;
    --danger: #f85149;
    --user-msg: #1c2333;
    --ai-msg: #161b22;
    --scrollbar: #30363d;
    --scrollbar-hover: #484f58;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --transition: 0.2s ease;
}

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

/* ── Auth Overlay ── */
.auth-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.auth-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.auth-logo {
    font-size: 48px;
    margin-bottom: 12px;
}

.auth-card h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
}

.auth-tagline {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
}

.auth-form {
    text-align: left;
}

.auth-form .form-group {
    margin-bottom: 16px;
}

.auth-error {
    color: var(--danger);
    font-size: 13px;
    margin-top: 8px;
    min-height: 20px;
}

.auth-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 12px;
    text-align: center;
    line-height: 1.5;
}

.btn-ms {
    text-decoration: none;
    font-size: 14px;
    padding: 12px 16px;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    color: var(--text-muted);
    font-size: 12px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ── User Info (sidebar) ── */
.user-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 0;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.user-email {
    font-size: 12px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 180px;
}

/* ── Auth-locked tabs ── */
.tab.auth-locked {
    opacity: 0.35;
    cursor: not-allowed;
    position: relative;
}

.tab.auth-locked::after {
    content: '🔒';
    font-size: 10px;
    margin-left: 4px;
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-hover); }

/* ── Layout ── */
.app {
    display: flex;
    height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
    width: 280px;
    min-width: 280px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h1 {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.5px;
}

.sidebar-header .subtitle {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-section {
    padding: 16px 20px 8px;
}

.sidebar-section h3 {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.session-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 12px;
}

.session-item {
    padding: 10px 12px;
    margin: 2px 0;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
    transition: background var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.session-item:hover { background: var(--bg-tertiary); }
.session-item.active { background: var(--accent-dim); color: var(--text-primary); }
.session-item .icon { font-size: 14px; opacity: 0.6; }

.sidebar-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--danger);
    transition: background 0.5s;
}

.status-dot.healthy { background: var(--success); }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
    white-space: nowrap;
}

.btn:hover { border-color: var(--text-muted); background: var(--bg-secondary); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-block { width: 100%; }

/* ── Main Area ── */
.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ── Tabs ── */
.tab-bar {
    display: flex;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 16px;
}

.tab {
    padding: 12px 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
}

.tab:hover { color: var(--text-primary); }

.tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* ── Tab Content ── */
.tab-content {
    flex: 1;
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.tab-content.active {
    display: flex;
}

/* ── Chat ── */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.message {
    max-width: 800px;
    margin: 0 auto 16px;
    display: flex;
    gap: 12px;
    animation: fadeIn 0.3s ease;
}

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

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    font-weight: 600;
}

.message.user .message-avatar {
    background: var(--accent-dim);
    color: var(--accent);
}

.message.assistant .message-avatar {
    background: rgba(63, 185, 80, 0.15);
    color: var(--success);
}

.message-body {
    flex: 1;
    min-width: 0;
}

.message-role {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-secondary);
}

.message-content {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
    word-wrap: break-word;
    white-space: pre-wrap;
}

.message-content code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    font-size: 13px;
}

.message-content pre {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin: 8px 0;
    overflow-x: auto;
    font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.5;
}

.message-meta {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 6px;
}

.typing-indicator {
    display: inline-block;
}

.typing-indicator span {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--text-muted);
    border-radius: 50%;
    margin: 0 2px;
    animation: bounce 1.2s infinite;
}

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

@keyframes bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-6px); }
}

/* ── Chat Input ── */
.chat-input-area {
    padding: 16px 24px 24px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.chat-input-wrapper {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

.chat-input-container {
    flex: 1;
    position: relative;
}

.chat-input {
    width: 100%;
    min-height: 44px;
    max-height: 200px;
    padding: 10px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    line-height: 1.5;
    resize: none;
    outline: none;
    transition: border-color var(--transition);
}

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

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

.chat-options {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.chat-options label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
}

.chat-options input[type="checkbox"] {
    accent-color: var(--accent);
}

/* ── Knowledge Tab ── */
.knowledge-panel {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.knowledge-panel h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition);
}

.form-input:focus,
.form-textarea:focus { border-color: var(--accent); }

.form-textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.5;
}

.search-results {
    margin-top: 16px;
}

.search-result-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 8px;
}

.search-result-item .source {
    font-size: 11px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.search-result-item .content {
    font-size: 13px;
    color: var(--text-primary);
    margin: 6px 0;
    line-height: 1.5;
}

.search-result-item .score {
    font-size: 11px;
    color: var(--text-muted);
}

.stats-bar {
    display: flex;
    gap: 24px;
    padding: 12px 0;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ── Toast Notifications ── */
.toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius);
    font-size: 13px;
    color: #fff;
    box-shadow: var(--shadow);
    animation: slideIn 0.3s ease, fadeOut 0.3s ease 3s forwards;
    max-width: 360px;
}

.toast.success { background: #1a7f37; }
.toast.error { background: #b62324; }
.toast.info { background: #1f6feb; }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    to { opacity: 0; transform: translateY(-10px); }
}

/* ── Empty State ── */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
    padding: 40px;
}

.empty-state .logo {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
    max-width: 400px;
    line-height: 1.6;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .chat-input-area { padding: 12px 16px 16px; }
    .chat-messages { padding: 16px; }
    .tab-bar { overflow-x: auto; }
    .plans-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Shared panel ── */
.tools-panel,
.models-panel,
.usage-panel,
.account-panel {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.tools-panel h2,
.models-panel h2,
.usage-panel h2,
.account-panel h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.card-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.text-muted {
    color: var(--text-muted);
    font-size: 13px;
}

/* ── AI Tools ── */
.tool-output {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    line-height: 1.6;
    white-space: pre-wrap;
    display: none;
    color: var(--text-primary);
    max-height: 400px;
    overflow-y: auto;
}

.tool-output.visible {
    display: block;
}

.tool-output .tool-output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.tool-output .copy-btn {
    padding: 4px 8px;
    font-size: 11px;
    cursor: pointer;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-secondary);
}

.tool-output .copy-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* ── Models ── */
.model-info {
    padding: 12px 0;
}

.model-info .model-detail {
    display: flex;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 13px;
}

.model-info .model-detail .label {
    color: var(--text-muted);
    min-width: 80px;
    font-weight: 600;
}

.model-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.model-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
}

.model-item .model-name {
    font-weight: 600;
    color: var(--text-primary);
}

.model-item .model-size {
    color: var(--text-muted);
    font-size: 12px;
}

/* ── Usage ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 12px;
    text-align: center;
}

.stat-icon {
    font-size: 24px;
    margin-bottom: 8px;
    opacity: 0.7;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 300px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    font-size: 12px;
}

.activity-item .activity-endpoint {
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.activity-item .activity-time {
    color: var(--text-muted);
    white-space: nowrap;
}

.activity-item .activity-tokens {
    color: var(--accent);
    font-weight: 600;
    min-width: 60px;
    text-align: right;
}

.activity-item .activity-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.activity-item .activity-status.ok { background: var(--success); }
.activity-item .activity-status.fail { background: var(--danger); }

/* ── Account / Billing ── */
.account-status {
    padding: 12px 0;
}

.plan-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.plan-badge.free {
    background: rgba(139, 148, 158, 0.15);
    color: var(--text-secondary);
}

.plan-badge.pro {
    background: var(--accent-dim);
    color: var(--accent);
}

.plan-badge.team {
    background: rgba(63, 185, 80, 0.15);
    color: var(--success);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.plan-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.plan-card.featured {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.plan-badge-ribbon {
    position: absolute;
    top: 12px;
    right: -28px;
    background: var(--accent);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 32px;
    transform: rotate(45deg);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.plan-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.plan-price {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 16px;
}

.plan-price span {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-muted);
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    flex: 1;
}

.plan-features li {
    padding: 6px 0;
    font-size: 13px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.plan-features li::before {
    content: '✓ ';
    color: var(--success);
    font-weight: 700;
}

.plan-cta {
    text-align: center;
}

.stripe-status {
    padding: 12px 0;
    font-size: 13px;
}

.stripe-status .status-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.stripe-status .status-dot-inline {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.stripe-status .status-dot-inline.configured { background: var(--success); }
.stripe-status .status-dot-inline.not-configured { background: var(--warning); }

/* ── Marketing ── */
.marketing-panel {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    max-width: 900px;
}

.marketing-panel h2 { margin-bottom: 20px; }

.mkt-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 16px;
    font-size: 13px;
}

.mkt-create-section {
    border-top: 1px solid var(--border);
    padding-top: 12px;
}

.mkt-create-section summary {
    cursor: pointer;
    list-style: none;
}

.mkt-list { display: flex; flex-direction: column; gap: 8px; }

.mkt-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
}

.mkt-item-header {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.mkt-item-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-active { background: rgba(56, 189, 121, 0.15); color: var(--success); }
.badge-inactive { background: rgba(255, 196, 0, 0.15); color: var(--warning); }
.badge-platform { background: rgba(138, 99, 255, 0.15); color: var(--accent); }

.badge-status-pending { background: rgba(255, 196, 0, 0.15); color: var(--warning); }
.badge-status-approved { background: rgba(56, 189, 121, 0.15); color: var(--success); }
.badge-status-dispatched { background: rgba(66, 153, 225, 0.15); color: #4299e1; }
.badge-status-posted { background: rgba(56, 189, 121, 0.25); color: var(--success); }
.badge-status-rejected { background: rgba(245, 101, 101, 0.15); color: var(--danger); }
.badge-status-failed { background: rgba(245, 101, 101, 0.25); color: var(--danger); }

.mkt-queue { display: flex; flex-direction: column; gap: 12px; }

.mkt-post-card {
    padding: 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

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

.mkt-post-text {
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 120px;
    overflow-y: auto;
}

.mkt-post-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.mkt-status { font-size: 13px; }
.mkt-queue-filters { display: flex; gap: 8px; align-items: center; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }