/* Castle Capital Agent Hub - Styles */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-hover: #22222f;
    --accent: #e94560;
    --accent-hover: #ff6b81;
    --accent-dim: rgba(233, 69, 96, 0.15);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    --border: #2a2a35;
    --success: #4ade80;
    --error: #f87171;
    --warning: #fbbf24;
}

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

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

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.header-left {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

.agent-select {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    cursor: pointer;
}

.agent-select:focus {
    outline: none;
    border-color: var(--accent);
}

/* Main Content */
.main-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    flex: 1;
    gap: 0;
}

@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

/* Panel Header */
.panel-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.panel-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Chat Panel */
.chat-panel {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    display: flex;
    gap: 0.75rem;
    max-width: 85%;
}

.user-message {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

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

.user-message .message-avatar {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.message-content {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: 12px;
    font-size: 0.95rem;
    line-height: 1.5;
}

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

.message-content p {
    margin-bottom: 0.5rem;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content ul {
    margin-left: 1.25rem;
    margin-bottom: 0.5rem;
}

.message-content li {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

/* Chat Input */
.chat-input-container {
    display: flex;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

#chat-input {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    resize: none;
    font-family: inherit;
}

#chat-input:focus {
    outline: none;
    border-color: var(--accent);
}

#send-btn {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--accent);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

#send-btn:hover {
    background: var(--accent-hover);
}

#send-btn svg {
    width: 20px;
    height: 20px;
    color: white;
}

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

/* Action Panel */
.action-panel {
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

/* Upload Section */
.upload-section {
    border-bottom: 1px solid var(--border);
}

.upload-zone {
    margin: 1.5rem;
    padding: 2rem;
    border: 2px dashed var(--border);
    border-radius: 12px;
    text-align: center;
    transition: all 0.2s;
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--accent);
    background: var(--accent-dim);
}

.upload-icon {
    margin-bottom: 1rem;
}

.upload-icon svg {
    width: 48px;
    height: 48px;
    color: var(--text-muted);
}

.upload-zone p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.upload-zone span {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.upload-btn {
    display: inline-block;
    margin-top: 0.75rem;
    padding: 0.5rem 1.25rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

.upload-hint {
    font-size: 0.8rem !important;
    color: var(--text-muted) !important;
    margin-top: 0.75rem !important;
}

.upload-preview {
    margin: 0 1.5rem 1.5rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.upload-preview.hidden {
    display: none;
}

.upload-preview .file-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-dim);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-preview .file-info {
    flex: 1;
}

.upload-preview .file-name {
    font-size: 0.9rem;
    font-weight: 500;
}

.upload-preview .file-size {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.upload-preview .remove-file {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
}

.upload-preview .remove-file:hover {
    color: var(--error);
}

/* Expense Form */
.expense-section {
    flex: 1;
}

#expense-form {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea {
    resize: none;
}

.submit-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.875rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 0.5rem;
}

.submit-btn:hover {
    background: var(--accent-hover);
}

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

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    z-index: 1000;
    transition: opacity 0.3s, transform 0.3s;
}

.toast.hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(1rem);
    pointer-events: none;
}

.toast.success {
    background: var(--success);
    color: #0a0a0f;
}

.toast.error {
    background: var(--error);
    color: white;
}

.toast.warning {
    background: var(--warning);
    color: #0a0a0f;
}

/* Loading State */
.loading {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============ Login Page ============ */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-primary) 0%, #16213e 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 2rem;
}

.login-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 2.5rem;
    border: 1px solid var(--border);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header .logo {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.login-header .subtitle {
    font-size: 1.1rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.login-form .form-group input {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
}

.login-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 0.5rem;
}

.login-btn:hover {
    background: var(--accent-hover);
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Flash Messages */
.flash-message {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.flash-message.error {
    background: rgba(248, 113, 113, 0.15);
    color: var(--error);
    border: 1px solid rgba(248, 113, 113, 0.3);
}

.flash-message.success {
    background: rgba(74, 222, 128, 0.15);
    color: var(--success);
    border: 1px solid rgba(74, 222, 128, 0.3);
}

.flash-message.info {
    background: rgba(96, 165, 250, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(96, 165, 250, 0.3);
}

/* ============ Dashboard ============ */

.dashboard-main {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.dashboard-header {
    margin-bottom: 2rem;
}

.dashboard-header h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.dashboard-header p {
    color: var(--text-secondary);
}

.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.agent-tile {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
    position: relative;
}

.agent-tile:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
    transform: translateY(-2px);
}

.agent-tile.coming-soon {
    opacity: 0.6;
    cursor: default;
}

.agent-tile.coming-soon:hover {
    transform: none;
    border-color: var(--border);
    background: var(--bg-secondary);
}

.agent-tile.placeholder {
    border-style: dashed;
    opacity: 0.5;
    cursor: default;
}

.agent-tile.placeholder:hover {
    transform: none;
    border-color: var(--border);
    background: var(--bg-secondary);
}

.agent-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.agent-icon svg {
    width: 28px;
    height: 28px;
}

.agent-icon.placeholder-icon {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.agent-info {
    flex: 1;
}

.agent-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.agent-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

.agent-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature-tag {
    background: var(--bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.agent-arrow {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    transition: color 0.2s;
}

.agent-tile:hover .agent-arrow {
    color: var(--accent);
}

.agent-arrow svg {
    width: 20px;
    height: 20px;
}

.coming-soon-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--warning);
    color: #0a0a0f;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
}

/* ============ Header User Menu ============ */

.user-menu {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.user-name {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.header-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.header-link.logout {
    color: var(--accent);
}

.header-link.logout:hover {
    color: var(--accent-hover);
}

.back-link {
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    margin-right: 0.5rem;
    transition: color 0.2s;
}

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

.back-link svg {
    width: 24px;
    height: 24px;
}

/* ============ Admin Pages ============ */

.admin-main {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.admin-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.admin-section h2 {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    color: var(--text-secondary);
}

.admin-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.admin-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 600px) {
    .admin-form .form-row {
        grid-template-columns: 1fr;
    }
}

.users-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.user-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-dim);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
}

.user-details h3 {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.user-details p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.delete-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.2s;
}

.delete-btn:hover {
    background: rgba(248, 113, 113, 0.15);
    color: var(--error);
}