@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* JobSeeker Web App Styles */
:root {
    --primary-color: #1e3a5f; /* Deep navy */
    --primary-hover: #16304f; /* Darker navy */
    --secondary-color: #f0f4f8; /* Soft grey-blue */
    --success-color: #059669;
    --warning-color: #d97706;
    --error-color: #dc2626;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --background-color: #f8fafc;
    --surface-color: #ffffff;
    --shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.06);
    --radius: 12px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --remove-btn-bg: #e2e8f0;

    /* Design-system tokens */
    --primary: #1e3a5f;
    --primary-light: #3b82f6;
    --accent-from: #1e3a5f;
    --accent-to: #6366f1;
    --accent: linear-gradient(135deg, #1e3a5f, #6366f1);
    --bg-main: var(--background-color);
    --bg-card: var(--surface-color);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 2px 6px rgba(0,0,0,0.04);
    --shadow-md: 0 2px 4px rgba(0,0,0,0.04), 0 8px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 8px rgba(0,0,0,0.04), 0 12px 32px rgba(0,0,0,0.12);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Header */
.app-header {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 1px 8px rgba(0,0,0,0.04);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    background: rgba(255,255,255,0.92);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 32px;
    height: 32px;
}

.logo-section h1 {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary-color);
    white-space: nowrap;
    letter-spacing: -0.02em;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.backend-status {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 12px;
    background: var(--secondary-color);
    padding: 4px 10px;
    border-radius: 20px;
}

.budget-display {
    font-family: monospace;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Shell layout: sidebar + content */
.app-shell {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--spacing-lg);
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.sidebar {
    position: sticky;
    top: 72px; /* header height approx */
    align-self: start;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--spacing-sm);
    height: -moz-fit-content;
    height: fit-content;
    max-height: calc(100vh - 72px - 32px);
    overflow-y: auto;
}

.nav-section-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm);
}

.nav-list {
    list-style: none;
}

.nav-item {
    margin-bottom: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-link:hover {
    background: var(--secondary-color);
    color: var(--text-primary);
}

.nav-link.active {
    background: linear-gradient(135deg, rgba(30,58,95,0.10) 0%, rgba(99,102,241,0.08) 100%);
    color: var(--primary-color);
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--primary-color);
}

.nav-link .nav-icon {
    width: 20px;
    height: 20px;
    opacity: 0.65;
    flex-shrink: 0;
}

.nav-link.active .nav-icon {
    opacity: 1;
}

.content {
    min-width: 0;
}

/* Main Content */
.main-content {
    flex: 1;
    width: 100%;
}

/* Error Bar */
.error-bar {
    background: var(--error-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Section Cards */
.section-card {
    background: var(--surface-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
    transition: box-shadow 0.2s ease;
}

.section-card:hover {
    box-shadow: var(--shadow-md);
}

.section-card h2 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.section-card h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

/* CV Upload */
.cv-upload-area {
    margin-bottom: var(--spacing-lg);
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--background-color);
    margin-bottom: var(--spacing-md);
}

.upload-zone:hover {
    border-color: var(--primary-color);
    background: rgba(30, 58, 95, 0.04);
}

.upload-zone.drag-over {
    border-color: var(--primary-color);
    background: rgba(30, 58, 95, 0.08);
    transform: scale(1.02);
}

.upload-icon {
    margin-bottom: var(--spacing-sm);
    opacity: 0.6;
}

.upload-formats {
    color: var(--text-secondary);
    font-size: 12px;
}

.cv-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.cv-status {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--background-color);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.cv-status label {
    font-weight: 600;
    color: var(--text-secondary);
}

/* Form Controls */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-primary);
}

input, textarea, select {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: 10px;
    font-family: var(--font-family);
    font-size: 14px;
    background: var(--surface-color);
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

/* Chat inputs: make wider/taller and resizable */
.chat-footer textarea.chat-input {
    min-height: 110px;
    resize: vertical;
}

/* Suggestions UI */
.chat-suggestions {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
}
.suggestion-chip {
    background: #fff8e1;
    border: 1px solid #f2e6b8;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    cursor: pointer;
}
.suggestion-chip:hover { background: #fff0c2; }
.suggestion-chip .suggestion-meta { color: #795548; font-size: 11px; margin-left: 6px; }

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.10);
}

input:read-only, textarea:read-only {
    background-color: var(--background-color);
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 10px;
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    min-width: 120px;
    justify-content: center;
    letter-spacing: 0.01em;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-sm {
    padding: 0.2rem 0.55rem;
    font-size: 0.72rem;
    font-weight: 600;
    min-width: 0;
    border-radius: 6px;
    line-height: 1.4;
    letter-spacing: 0;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2a5082 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(30, 58, 95, 0.2);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-hover) 0%, #1e3d66 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(30, 58, 95, 0.30);
}

.btn-secondary {
    background: var(--surface-color);
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--secondary-color);
    border-color: #cbd5e1;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error-color) 0%, #b91c1c 100%);
    color: white;
    box-shadow: 0 2px 4px rgba(220, 38, 38, 0.2);
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, #b91c1c 0%, #991b1b 100%);
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.30);
}

#btn-stop-search[data-state="idle"],
#btn-stop-search-header[data-state="idle"] {
    opacity: 0.7;
    box-shadow: none;
}

#btn-stop-search[data-state="running"],
#btn-stop-search-header[data-state="running"] {
    opacity: 1;
    box-shadow: 0 6px 18px rgba(211, 47, 47, 0.35);
}

.button-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Job Details */
.job-input-section {
    margin-bottom: var(--spacing-lg);
}

.job-details-section {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
}

.job-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

/* Tables */
.table-container {
    overflow-x: auto;
    margin: var(--spacing-md) 0;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface-color);
    font-size: 14px;
}

th, td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: var(--background-color);
    font-weight: 600;
    color: var(--text-primary);
    position: sticky;
    top: 0;
    z-index: 10;
}

tr:hover {
    background: rgba(30, 58, 95, 0.03);
}

.clickable-cell {
    color: var(--primary-color);
    cursor: pointer;
    text-decoration: underline;
}

.clickable-cell:hover {
    color: var(--primary-hover);
}

/* Match Analysis */
.match-analysis {
    margin: var(--spacing-lg) 0;
}

.match-info {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--background-color);
    border-radius: var(--radius);
}

.match-info span {
    font-weight: 600;
}

/* Generated Documents */
.generated-docs {
    margin: var(--spacing-lg) 0;
}

/* Tabs */
.tab-container {
    margin-top: var(--spacing-lg);
}

.tab-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: none;
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

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

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

.tab-content {
    display: none;
}

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

.tab-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.word-count, .char-count {
    color: var(--text-secondary);
    font-size: 12px;
    font-family: monospace;
}

/* CV Experience Editor */
.cv-experience-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.experience-block {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--spacing-md);
    background: var(--background-color);
}

.experience-header {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.experience-bullets {
    width: 100%;
    min-height: 100px;
    font-family: var(--font-family);
    font-size: 14px;
    resize: vertical;
}

.identity-note {
    font-size: 12px;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: var(--spacing-xs);
}

/* Interview Editor */
.interview-editor {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.interview-question {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--spacing-md);
    background: var(--background-color);
}

.interview-question label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.interview-q {
    margin-bottom: var(--spacing-sm);
}

.interview-a {
    margin-bottom: var(--spacing-xs);
    resize: vertical;
    min-height: 80px;
}

/* Search Configuration */
.search-config {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.search-params {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.param-group {
    display: flex;
    flex-direction: column;
}

.param-group label {
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-secondary);
}

.param-group input, .param-group select {
    width: 100%;
}

.search-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

/* Targets */
.targets-section {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.targets-config {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.target-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.target-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.input-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.input-list input {
    flex: 1;
    min-width: 200px;
}

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

/* Results */
.results-subsection {
    margin-bottom: var(--spacing-xl);
}

.export-section {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

/* Scheduler */
.scheduler-config {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.cache-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.cache-controls span {
    font-family: monospace;
    font-size: 12px;
    color: var(--text-secondary);
}

/* Budget */
.budget-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.budget-input {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.budget-input label {
    font-weight: 600;
}

.budget-input input {
    width: 150px;
}

.budget-display {
    display: flex;
    gap: var(--spacing-lg);
    font-family: monospace;
    font-size: 12px;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

/* Thinking Overlay */
.thinking-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.thinking-content {
    background: var(--surface-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius);
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    min-width: 300px;
}

.thinking-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#thinking-message {
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
    color: var(--text-primary);
}

/* Dirty Indicator */
.dirty-indicator {
    color: var(--error-color);
    font-weight: 600;
    font-size: 12px;
    text-align: center;
    margin-top: var(--spacing-sm);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Log Display */
.log-section {
    margin-top: var(--spacing-lg);
    background: var(--surface-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--spacing-lg);
}

.log-display {
    background: #0f1724;
    color: #d4d4d4;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    padding: var(--spacing-md);
    border-radius: var(--radius);
    height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
    line-height: 1.4;
    scrollbar-width: thin;
    scrollbar-color: #41526a #0b111d;
}

.log-display::-webkit-scrollbar {
    width: 6px;
}

.log-display::-webkit-scrollbar-track {
    background: #0b111d;
}

.log-display::-webkit-scrollbar-thumb {
    background: #41526a;
    border-radius: 3px;
}

/* ------------------------------------------------------------------ *
 * Sidebar toggle (hamburger) for mobile                               *
 * ------------------------------------------------------------------ */
.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    padding: 6px;
    border-radius: var(--radius-sm);
    line-height: 0;
}

.sidebar-toggle:hover {
    background: rgba(30,58,95,0.08);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .app-shell {
        grid-template-columns: 220px 1fr;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    .app-shell {
        grid-template-columns: 1fr;
    }
    .main-content {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    .search-params {
        grid-template-columns: 1fr;
    }
    .job-meta {
        grid-template-columns: 1fr;
    }
    .search-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .tab-nav {
        overflow-x: auto;
        white-space: nowrap;
    }
    .tab-footer {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }
    .button-group {
        justify-content: center;
    }
    .sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    /* Overlay sidebar on mobile */
    .app-shell > .sidebar,
    .page-layout > .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        z-index: 150;
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        border-radius: 0;
    }
    .app-shell > .sidebar.open,
    .page-layout > .sidebar.open {
        transform: translateX(0);
    }
    .page-layout > .page-content {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .section-card {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }

    .cv-actions {
        flex-direction: column;
    }

    .budget-input {
        flex-direction: column;
        align-items: stretch;
    }

    .budget-display {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

/* ------------------------------------------------------------------ *
 * Dashboard page styles                                               *
 * ------------------------------------------------------------------ */

.dashboard-hero {
    background: linear-gradient(135deg, #0f2942 0%, #1e3a5f 40%, #2a5082 70%, #3b6da8 100%);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 40px var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.dashboard-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.dashboard-hero h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: #fff;
    letter-spacing: -0.02em;
    position: relative;
}

.dashboard-hero p {
    font-size: 16px;
    opacity: 0.80;
    margin-bottom: var(--spacing-lg);
    max-width: 540px;
    line-height: 1.6;
    position: relative;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn-hero {
    background: #fff;
    color: var(--primary-color);
    border: none;
    padding: 12px var(--spacing-lg);
    border-radius: 10px;
    font-weight: 700;
    font-family: var(--font-family);
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    position: relative;
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.20);
}

.btn-hero-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.7);
}

.btn-hero-outline:hover {
    background: rgba(255,255,255,0.12);
    opacity: 1;
}

/* Stat cards */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--spacing-lg) var(--spacing-md);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-from), var(--accent-to));
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card .stat-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-card .stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* Feature cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.feature-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: var(--spacing-lg) var(--spacing-md);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: all 0.25s ease;
}

.feature-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: rgba(30, 58, 95, 0.25);
}

.feature-card .fc-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, rgba(30,58,95,0.08) 0%, rgba(99,102,241,0.06) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.feature-card:hover .fc-icon {
    transform: scale(1.08);
}

.feature-card .fc-icon svg {
    width: 22px;
    height: 22px;
    color: var(--primary-color);
}

.feature-card .fc-title {
    font-weight: 700;
    font-size: 15px;
    letter-spacing: -0.01em;
}

.feature-card .fc-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* Activity feed */
.activity-feed {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    font-size: 14px;
    padding: var(--spacing-md) var(--spacing-sm);
    background: var(--background-color);
    border-radius: 10px;
    transition: background 0.15s ease;
}

.activity-item:hover {
    background: var(--secondary-color);
}

.activity-item .ai-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-from), var(--accent-to));
    margin-top: 6px;
    flex-shrink: 0;
}

.activity-item .ai-detail {
    flex: 1;
}

.activity-item .ai-ts {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.activity-empty {
    font-size: 14px;
    color: var(--text-secondary);
    font-style: italic;
    padding: var(--spacing-md);
    text-align: center;
}

/* ------------------------------------------------------------------ *
 * Placeholder (coming soon) page                                      *
 * ------------------------------------------------------------------ */
.placeholder-hero {
    text-align: center;
    padding: 80px var(--spacing-lg);
}

.placeholder-hero h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.placeholder-hero p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.placeholder-hero .btn {
    text-decoration: none;
}

/* ------------------------------------------------------------------ *
 * Dark mode overrides                                                 *
 * ------------------------------------------------------------------ */
[data-theme="dark"] {
    --background-color: #0c1220;
    --surface-color:    #141e30;
    --border-color:     #253347;
    --text-primary:     #e2e8f0;
    --text-secondary:   #94a3b8;
    --shadow:           0 1px 3px rgba(0,0,0,0.2), 0 4px 12px rgba(0,0,0,0.25);
    --shadow-sm:        0 1px 2px rgba(0,0,0,0.2), 0 2px 6px rgba(0,0,0,0.15);
    --shadow-md:        0 2px 4px rgba(0,0,0,0.2), 0 8px 20px rgba(0,0,0,0.3);
    --shadow-lg:        0 4px 8px rgba(0,0,0,0.2), 0 12px 32px rgba(0,0,0,0.4);
    --secondary-color:  #1a2740;
}

[data-theme="dark"] .app-header {
    background: rgba(20, 30, 48, 0.95);
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .dashboard-hero {
    background: linear-gradient(135deg, #0a1628 0%, #162a45 40%, #1e3a5f 70%, #244c7a 100%);
}

[data-theme="dark"] .btn-primary {
    background: linear-gradient(135deg, #2a5082 0%, #3b6da8 100%);
}

[data-theme="dark"] .feature-card .fc-icon {
    background: linear-gradient(135deg, rgba(42,80,130,0.2) 0%, rgba(99,102,241,0.12) 100%);
}

/* ------------------------------------------------------------------ *
 * Component classes                                                   *
 * ------------------------------------------------------------------ */
.card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md);
    transition: box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 14px;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(30,58,95,0.08);
    color: var(--primary-color);
}

.badge.success { background: rgba(46,125,50,0.12); color: var(--success-color); }
.badge.warning { background: rgba(237,108,2,0.12); color: var(--warning-color); }
.badge.error   { background: rgba(211,47,47,0.12); color: var(--error-color); }

.input-field {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border-color);
    border-radius: 10px;
    background: var(--surface-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 14px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30,58,95,0.10);
}

.progress-bar {
    height: 6px;
    border-radius: 999px;
    background: var(--border-color);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent-from), var(--accent-to));
    transition: width var(--transition-normal);
}

.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip:hover::after {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    color: #fff;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    pointer-events: none;
    z-index: 100;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.modal-box {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl);
    max-width: 540px;
    width: 100%;
    animation: modalIn 0.2s ease;
}

@keyframes modalIn {
    from { transform: scale(0.95); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}

#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 300;
}

.toast {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    box-shadow: var(--shadow-md);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    min-width: 280px;
    font-size: 14px;
    animation: slideRight 0.25s ease;
}

@keyframes slideRight {
    from { transform: translateX(120%); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}

.toast.success { border-left-color: var(--success-color); }
.toast.error   { border-left-color: var(--error-color); }
.toast.warning { border-left-color: var(--warning-color); }

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 10px;
    font-family: var(--font-family);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 2px 8px rgba(30,58,95,0.20);
}

/* ------------------------------------------------------------------ *
 * Layout helpers                                                      *
 * ------------------------------------------------------------------ */
.page-layout {
    display: flex;
    min-height: 100vh;
}

.page-layout > .sidebar {
    width: 260px;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.page-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.content-area {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* nav-inner: wraps the nav items inside the aside */
.nav-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.nav-brand {
    cursor: default;
    user-select: none;
    border-radius: 10px;
    transition: background 0.15s ease;
}
.nav-brand:hover {
    background: rgba(30, 58, 95, 0.06);
}
[data-theme="dark"] .nav-brand:hover {
    background: rgba(255, 255, 255, 0.06);
}

.nav-section-bottom {
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}