/* ==========================================================================
   МИГИ / АКСИОСКОП 2.0 — ИНСТИТУЦИОНАЛЬНАЯ СТИЛИСТИЧЕСКАЯ СИСТЕМА
   Лаборатория аксиометрии и ценностно-смыслового проектирования
   Цветовая палитра: #0f172a, #1e3a5f, #2563eb, #f8fafc
   ========================================================================== */

:root {
    --color-primary-dark: #0f172a;
    --color-primary-navy: #1e3a5f;
    --color-primary-navy-light: #2c4f7c;
    --color-accent-blue: #2563eb;
    --color-accent-blue-hover: #1d4ed8;
    --color-accent-blue-subtle: #eff6ff;
    --color-accent-blue-border: #bfdbfe;
    
    --color-bg-main: #f8fafc;
    --color-bg-card: #ffffff;
    --color-bg-subtle: #f1f5f9;
    --color-bg-dark: #0f172a;

    --color-border-subtle: #e2e8f0;
    --color-border-medium: #cbd5e1;
    --color-border-strong: #94a3b8;

    --color-text-main: #0f172a;
    --color-text-body: #334155;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;
    --color-text-inverse: #ffffff;

    --color-success: #059669;
    --color-success-bg: #ecfdf5;
    --color-success-border: #a7f3d0;

    --color-danger: #dc2626;
    --color-danger-bg: #fef2f2;
    --color-danger-border: #fecaca;

    --color-warning: #d97706;
    --color-warning-bg: #fffbeb;
    --color-warning-border: #fde68a;

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
    
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg-main);
    color: var(--color-text-body);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* ==========================================================================
   HEADER & INSTITUTIONAL BRANDING
   ========================================================================== */

.app-header {
    background-color: var(--color-primary-navy);
    color: var(--color-text-inverse);
    border-bottom: 2px solid #142841;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand-block {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
    flex-shrink: 0;
}

.brand-logo {
    display: block;
    border-radius: var(--radius-md);
}

.brand-title {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: #ffffff;
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 11px;
    color: #94a3b8;
    letter-spacing: 0.02em;
    line-height: 1.2;
}

.role-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
}

.nav-link-btn {
    background: transparent;
    border: none;
    color: #cbd5e1;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    text-decoration: none;
}

.nav-link-btn:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.08);
}

.nav-link-btn.active {
    color: #ffffff;
    background-color: var(--color-accent-blue);
}

.user-session {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: #ffffff;
    line-height: 1.2;
}

/* ==========================================================================
   CONTAINER & LAYOUT
   ========================================================================== */

.main-container {
    max-width: 1320px;
    width: 100%;
    margin: 0 auto;
    padding: 24px 20px 48px 20px;
    flex: 1;
}

.view-section {
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.hidden {
    display: none !important;
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border-subtle);
}

.view-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-primary-navy);
    line-height: 1.2;
}

.view-subtitle {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: 4px;
}

/* ==========================================================================
   CARDS & SURFACES
   ========================================================================== */

.card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #fafbfc;
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-primary-navy);
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--color-border-subtle);
    background-color: #fafbfc;
}

/* ==========================================================================
   SUBTABS BAR
   ========================================================================== */

.subtabs-bar {
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--color-border-subtle);
    margin-bottom: 24px;
    padding-bottom: 2px;
    overflow-x: auto;
}

.subtab-btn {
    background: transparent;
    border: none;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.subtab-btn:hover {
    color: var(--color-accent-blue);
}

.subtab-btn.active {
    color: var(--color-accent-blue);
    border-bottom-color: var(--color-accent-blue);
}

.subtab-pane {
    animation: fadeIn 0.15s ease-out;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s ease;
    text-decoration: none;
}

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

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-accent-blue-hover);
    border-color: var(--color-accent-blue-hover);
}

.btn-outline {
    background-color: #ffffff;
    color: var(--color-text-body);
    border-color: var(--color-border-medium);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--color-bg-subtle);
    border-color: var(--color-border-strong);
    color: var(--color-text-main);
}

.btn-outline-secondary {
    background-color: transparent;
    color: var(--color-text-secondary);
    border-color: var(--color-border-subtle);
}

.btn-outline-secondary:hover:not(:disabled) {
    background-color: var(--color-bg-subtle);
    color: var(--color-text-main);
}

.btn-outline-danger {
    background-color: rgba(220, 38, 38, 0.1);
    color: #fca5a5;
    border-color: rgba(220, 38, 38, 0.3);
}

.btn-outline-danger:hover {
    background-color: var(--color-danger);
    color: #ffffff;
    border-color: var(--color-danger);
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 15px;
}

.btn-block {
    width: 100%;
}

.icon {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}

/* ==========================================================================
   FORMS & INPUTS
   ========================================================================== */

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

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 9px 12px;
    font-family: inherit;
    font-size: 13px;
    color: var(--color-text-main);
    background-color: #ffffff;
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-control-sm {
    padding: 6px 10px;
    font-size: 12px;
}

.form-text {
    display: block;
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* ==========================================================================
   BADGES & STATUS
   ========================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-radius: var(--radius-sm);
    line-height: 1.2;
}

.badge-role {
    background-color: rgba(255, 255, 255, 0.15);
    color: #e2e8f0;
}

.badge-primary {
    background-color: var(--color-accent-blue-subtle);
    color: var(--color-accent-blue);
    border: 1px solid var(--color-accent-blue-border);
}

.badge-secondary {
    background-color: var(--color-bg-subtle);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-subtle);
}

.badge-success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.badge-info {
    background-color: #f0f9ff;
    color: #0284c7;
    border: 1px solid #bae6fd;
}

.badge-warning {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}

/* ==========================================================================
   TABLES
   ========================================================================== */

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.table-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    gap: 16px;
    flex-wrap: wrap;
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 13px;
    text-align: left;
}

.data-table th {
    background-color: #f8fafc;
    color: var(--color-text-secondary);
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border-subtle);
    border-top: 1px solid var(--color-border-subtle);
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border-subtle);
    vertical-align: middle;
    color: var(--color-text-body);
}

.data-table tbody tr:hover {
    background-color: #f8fafc;
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.font-mono {
    font-family: var(--font-mono);
    font-size: 12px;
}

/* ==========================================================================
   ALERTS
   ========================================================================== */

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    line-height: 1.4;
    display: flex;
    align-items: center;
    border: 1px solid transparent;
}

.alert-danger {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
    border-color: var(--color-danger-border);
}

.alert-success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border-color: var(--color-success-border);
}

/* ==========================================================================
   1. AUTHENTICATION VIEW
   ========================================================================== */

.auth-card-container {
    max-width: 480px;
    margin: 40px auto;
}

.auth-card {
    padding: 32px;
}

.auth-card-header {
    text-align: center;
    margin-bottom: 24px;
}

.auth-logo-badge {
    display: inline-block;
    margin-bottom: 12px;
}

.auth-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-primary-navy);
    letter-spacing: -0.01em;
}

.auth-desc {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: 6px;
    line-height: 1.4;
}

.auth-tabs {
    display: flex;
    margin-top: 24px;
    background-color: var(--color-bg-subtle);
    padding: 4px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-subtle);
}

.auth-tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    padding: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
}

.auth-tab-btn.active {
    background-color: #ffffff;
    color: var(--color-primary-navy);
    box-shadow: var(--shadow-sm);
}

.auth-tab-pane {
    margin-top: 20px;
}

.auth-demo-hint {
    margin-top: 24px;
    padding: 12px 14px;
    background-color: var(--color-bg-subtle);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-subtle);
    font-size: 11px;
}

.demo-hint-title {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    margin-bottom: 6px;
}

.demo-hint-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4px;
    color: var(--color-text-body);
}

.demo-hint-grid code {
    font-family: var(--font-mono);
    background-color: #ffffff;
    padding: 1px 4px;
    border-radius: 3px;
    border: 1px solid var(--color-border-subtle);
    color: var(--color-accent-blue);
}

/* ==========================================================================
   ИНТЕРАКТИВНЫЙ СЛАЙДЕР-КАПЧА (ЗАЩИТА ОТ БОТОВ И ИИ-АТАК)
   ========================================================================== */
.slider-captcha-wrapper {
    margin: 16px 0 18px 0;
    user-select: none;
    -webkit-user-select: none;
}

.slider-captcha-track {
    position: relative;
    width: 100%;
    height: 50px;
    background-color: #f8fafc;
    border: 2px solid #cbd5e1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    box-shadow: inset 0 2px 4px rgba(15, 23, 42, 0.05);
    transition: border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.slider-captcha-track.active {
    border-color: var(--color-accent-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.slider-captcha-track.verified {
    border-color: #10b981;
    background-color: #ecfdf5;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.slider-captcha-track.invalid {
    border-color: #ef4444;
    background-color: #fef2f2;
}

.slider-captcha-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.18), rgba(30, 58, 95, 0.32));
    pointer-events: none;
    transition: width 0.04s ease;
}

.slider-captcha-track.verified .slider-captcha-fill {
    background: linear-gradient(90deg, rgba(16, 185, 129, 0.22), rgba(5, 150, 105, 0.35));
    width: 100% !important;
}

.slider-captcha-label {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 54px;
    pointer-events: none;
    z-index: 2;
    text-align: center;
}

.slider-label-text {
    font-size: 12.5px;
    font-weight: 600;
    color: #64748b;
    letter-spacing: 0.01em;
    transition: color 0.2s ease, opacity 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.slider-captcha-track.verified .slider-label-text {
    color: #065f46;
    font-weight: 700;
}

.slider-captcha-thumb {
    position: absolute;
    left: 0;
    top: 0;
    width: 50px;
    height: 46px;
    margin: 0;
    background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
    color: #ffffff;
    border-radius: calc(var(--radius-lg) - 2px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    z-index: 3;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.25);
    transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
    touch-action: none;
    outline: none;
}

.slider-captcha-thumb:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1e3a5f 100%);
    box-shadow: 0 3px 10px rgba(37, 99, 235, 0.35);
}

.slider-captcha-thumb:active,
.slider-captcha-thumb.dragging {
    cursor: grabbing;
    transform: scale(0.97);
}

.slider-captcha-track.verified .slider-captcha-thumb {
    background: #10b981;
    cursor: default;
    box-shadow: 0 2px 6px rgba(16, 185, 129, 0.35);
    transform: none;
}

.slider-captcha-thumb.resetting,
.slider-captcha-fill.resetting {
    transition: left 0.35s cubic-bezier(0.25, 1, 0.5, 1), width 0.35s cubic-bezier(0.25, 1, 0.5, 1) !important;
}

.slider-captcha-feedback {
    font-size: 12px;
    margin-top: 6px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    color: #ef4444;
}

#btn-submit-access:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    background: #94a3b8;
    border-color: #94a3b8;
    box-shadow: none;
}

/* ==========================================================================
   2. STATS GRID & VALUES CLOUD
   ========================================================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.stat-card {
    padding: 20px;
    border-left: 4px solid var(--color-accent-blue);
}

.stat-num {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-primary-navy);
    line-height: 1;
}

.stat-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    margin-top: 8px;
}

.values-cloud-container {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 8px 0;
}

.cloud-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background-color: var(--color-accent-blue-subtle);
    border: 1px solid var(--color-accent-blue-border);
    border-radius: 20px;
    transition: transform 0.15s ease;
}

.cloud-item:hover {
    transform: translateY(-1px);
    background-color: #dbeafe;
}

.cloud-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary-navy);
}

.cloud-count {
    font-size: 11px;
    font-weight: 700;
    background-color: var(--color-accent-blue);
    color: #ffffff;
    padding: 1px 6px;
    border-radius: 10px;
}

/* Export section */
.export-actions-row {
    display: flex;
    gap: 16px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.divider {
    border: none;
    border-top: 1px solid var(--color-border-subtle);
    margin: 24px 0;
}

.section-heading {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-primary-navy);
}

/* ==========================================================================
   3. STUDENT CASE CATALOG
   ========================================================================== */

.filters-panel {
    padding: 16px 20px;
}

.filters-row {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 20px;
}

.case-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.case-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-medium);
}

.case-card-header {
    padding: 16px 20px 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.case-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-primary-navy);
    line-height: 1.3;
}

.case-badges {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.case-card-body {
    padding: 0 20px 16px 20px;
    flex: 1;
}

.case-desc {
    font-size: 13px;
    color: var(--color-text-body);
    line-height: 1.5;
}

.case-preview-text {
    margin-top: 10px;
    font-size: 12px;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-subtle);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border-left: 2px solid var(--color-primary-navy);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-card-footer {
    padding: 14px 20px;
    background-color: #fafbfc;
    border-top: 1px solid var(--color-border-subtle);
}

/* ==========================================================================
   4. 5-LEVEL STEPPER & ANALYSIS RUNNER
   ========================================================================== */

.analysis-container {
    max-width: 960px;
    margin: 0 auto;
}

.analysis-top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.analysis-case-meta {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.runner-case-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--color-primary-navy);
}

.case-text-drawer {
    border-left: 4px solid var(--color-primary-navy);
}

.drawer-header {
    padding: 10px 16px;
    background-color: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border-subtle);
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.drawer-body {
    padding: 16px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text-main);
    white-space: pre-line;
}

/* Stepper bar */
.stepper-bar {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    justify-content: space-between;
    overflow-x: auto;
}

.stepper-step {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: default;
    opacity: 0.5;
    transition: opacity 0.2s ease;
    white-space: nowrap;
}

.stepper-step.active {
    opacity: 1;
}

.stepper-step.completed {
    opacity: 0.85;
}

.step-num-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--color-bg-subtle);
    border: 2px solid var(--color-border-medium);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
}

.stepper-step.active .step-num-circle {
    background-color: var(--color-accent-blue);
    border-color: var(--color-accent-blue);
    color: #ffffff;
}

.stepper-step.completed .step-num-circle {
    background-color: var(--color-primary-navy);
    border-color: var(--color-primary-navy);
    color: #ffffff;
}

.step-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text-body);
}

.stepper-line {
    flex: 1;
    height: 2px;
    background-color: var(--color-border-subtle);
    margin: 0 8px;
    min-width: 16px;
}

/* Runner Step Card */
.runner-card {
    border-top: 4px solid var(--color-accent-blue);
}

.runner-card-header {
    padding: 24px 28px 16px 28px;
    border-bottom: 1px solid var(--color-border-subtle);
}

.runner-step-badge {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--color-accent-blue);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.runner-step-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-primary-navy);
}

.runner-step-question {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-main);
    margin-top: 6px;
}

.runner-step-hint {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 4px;
    background-color: var(--color-bg-subtle);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    display: inline-block;
}

.runner-card-body {
    padding: 24px 28px;
}

.section-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    margin-bottom: 10px;
}

/* Variants Grid */
.variants-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.variant-card {
    padding: 14px 18px;
    background-color: #ffffff;
    border: 1.5px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.variant-card:hover {
    border-color: var(--color-accent-blue-border);
    background-color: #fafcff;
}

.variant-card.selected {
    border-color: var(--color-accent-blue);
    background-color: var(--color-accent-blue-subtle);
    box-shadow: 0 0 0 1px var(--color-accent-blue);
}

.variant-radio-indicator {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid var(--color-border-strong);
    margin-top: 2px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.variant-card.selected .variant-radio-indicator {
    border-color: var(--color-accent-blue);
    background-color: var(--color-accent-blue);
}

.variant-card.selected .variant-radio-indicator::after {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #ffffff;
}

.variant-content {
    flex: 1;
}

.variant-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary-navy);
}

.variant-desc {
    font-size: 13px;
    color: var(--color-text-body);
    margin-top: 4px;
    line-height: 1.4;
}

.variant-values-tags {
    margin-top: 8px;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.tag-mini {
    font-size: 11px;
    padding: 2px 6px;
    background-color: #e0f2fe;
    color: #0369a1;
    border-radius: 12px;
    font-weight: 600;
}

/* Values Picker on Step 3 */
.values-picker-block {
    margin-top: 24px;
    padding: 18px;
    background-color: var(--color-bg-subtle);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-subtle);
}

.values-catalog-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.val-pill {
    padding: 5px 12px;
    background-color: #ffffff;
    border: 1px solid var(--color-border-medium);
    border-radius: 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-body);
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.val-pill:hover {
    border-color: var(--color-accent-blue);
    color: var(--color-accent-blue);
}

.val-pill.active {
    background-color: var(--color-primary-navy);
    border-color: var(--color-primary-navy);
    color: #ffffff;
}

.selected-values-summary {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding-top: 10px;
    border-top: 1px solid var(--color-border-subtle);
}

.summary-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text-secondary);
}

.selected-values-chips {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.value-chip-selected {
    background-color: var(--color-accent-blue);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.value-chip-selected .chip-remove {
    cursor: pointer;
    opacity: 0.8;
}

.value-chip-selected .chip-remove:hover {
    opacity: 1;
}

/* Conflict Radios on Step 4 */
.conflict-choice-block {
    margin-top: 20px;
    padding: 16px;
    background-color: var(--color-bg-subtle);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-subtle);
}

.conflict-radios {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px 12px;
    background-color: #ffffff;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-subtle);
    transition: all 0.15s ease;
}

.radio-label:hover {
    border-color: var(--color-accent-blue);
}

.radio-label input[type="radio"] {
    accent-color: var(--color-accent-blue);
    width: 16px;
    height: 16px;
}

.radio-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-main);
}

/* Custom Textarea */
.custom-text-section {
    position: relative;
}

.text-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.char-counter {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-text-muted);
}

.char-counter.valid {
    color: var(--color-success);
}

.char-counter.invalid {
    color: var(--color-danger);
}

.runner-textarea {
    resize: vertical;
    min-height: 90px;
    line-height: 1.5;
}

.runner-card-footer {
    padding: 16px 28px;
    background-color: #fafbfc;
    border-top: 1px solid var(--color-border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.step-indicator-text {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-text-secondary);
}

/* ==========================================================================
   5. REPORT VIEW (OFFICIAL PROTOCOL)
   ========================================================================== */

.report-container {
    max-width: 900px;
    margin: 0 auto;
}

.report-banner {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding: 16px 20px;
}

.banner-icon-box {
    width: 44px;
    height: 44px;
    background-color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.banner-title {
    font-size: 15px;
    font-weight: 800;
    color: #065f46;
}

.banner-subtitle {
    font-size: 13px;
    color: #047857;
    margin-top: 2px;
}

.report-paper {
    background: #ffffff;
    border: 1px solid var(--color-border-medium);
    box-shadow: var(--shadow-md);
    padding: 40px;
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    border-bottom: 2px solid var(--color-primary-navy);
    padding-bottom: 16px;
    margin-bottom: 24px;
    gap: 20px;
    flex-wrap: wrap;
}

.report-inst-tag {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-secondary);
}

.report-doc-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-primary-navy);
    margin-top: 4px;
}

.report-method {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.report-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 24px;
    background-color: var(--color-bg-subtle);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-bottom: 24px;
}

.meta-item {
    font-size: 13px;
    display: flex;
    justify-content: space-between;
}

.meta-title {
    font-weight: 600;
    color: var(--color-text-secondary);
}

.meta-val {
    font-weight: 700;
    color: var(--color-text-main);
    text-align: right;
}

.report-conclusion-box {
    background-color: #f0f7ff;
    border: 1.5px solid var(--color-accent-blue);
    border-left: 6px solid var(--color-accent-blue);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    margin-bottom: 28px;
}

.conclusion-box-label {
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #1e40af;
    margin-bottom: 8px;
}

.conclusion-box-quote {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1.6;
    font-style: italic;
}

.report-section-block {
    margin-bottom: 28px;
}

.report-section-title {
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary-navy);
    border-bottom: 1px solid var(--color-border-subtle);
    padding-bottom: 6px;
    margin-bottom: 14px;
}

.report-values-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.report-values-chips .value-chip {
    background-color: #e0f2fe;
    border: 1px solid #0284c7;
    color: #0369a1;
    padding: 5px 12px;
    border-radius: 16px;
    font-weight: 700;
    font-size: 12px;
}

.report-steps-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.report-step-box {
    background-color: #ffffff;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    padding: 14px 18px;
}

.step-box-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}

.step-box-num {
    background-color: var(--color-primary-navy);
    color: #ffffff;
    font-size: 10px;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 3px;
    text-transform: uppercase;
}

.step-box-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-main);
}

.step-box-question {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.step-box-conflict {
    font-size: 12px;
    color: var(--color-accent-blue);
    margin-bottom: 8px;
    font-weight: 600;
}

.step-box-answer {
    font-size: 13px;
    color: var(--color-text-main);
    background-color: var(--color-bg-subtle);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-primary-navy);
    line-height: 1.5;
}

.report-doc-footer {
    margin-top: 36px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    font-size: 11px;
    color: var(--color-text-muted);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-sign {
    text-align: center;
}

.signature-line {
    width: 220px;
    border-bottom: 1px solid var(--color-border-strong);
    padding-bottom: 4px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.report-nav-actions {
    display: flex;
    justify-content: space-between;
    gap: 16px;
}

/* ==========================================================================
   6. MODALS
   ========================================================================= */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(2px);
}

.modal-dialog {
    position: relative;
    width: 100%;
    max-width: 520px;
    z-index: 1001;
    animation: modalSlide 0.2s ease-out;
}

.modal-dialog-lg {
    max-width: 800px;
}

@keyframes modalSlide {
    from { opacity: 0; transform: translateY(-10px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-content {
    background-color: #ffffff;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary-navy);
}

.btn-close-modal {
    background: transparent;
    border: none;
    font-size: 22px;
    line-height: 1;
    color: var(--color-text-muted);
    cursor: pointer;
}

.btn-close-modal:hover {
    color: var(--color-text-main);
}

.modal-body {
    padding: 20px;
    max-height: calc(85vh - 120px);
    overflow-y: auto;
}

.modal-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--color-border-subtle);
    background-color: #fafbfc;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ==========================================================================
   7. TOAST NOTIFICATIONS
   ========================================================================== */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    min-width: 280px;
    max-width: 400px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-dark);
    color: #ffffff;
    font-size: 13px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    animation: toastIn 0.25s ease-out;
}

.toast-success {
    background-color: #065f46;
    border-left: 4px solid #10b981;
}

.toast-error {
    background-color: #991b1b;
    border-left: 4px solid #ef4444;
}

.toast-info {
    background-color: #1e3a5f;
    border-left: 4px solid #38bdf8;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Utility Helpers */
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-0 { margin-bottom: 0 !important; }
.mb-3 { margin-bottom: 12px; }
.mr-2 { margin-right: 8px; }
.py-4 { padding-top: 16px; padding-bottom: 16px; }
.flex-grow { flex: 1; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success) !important; }
.small { font-size: 12px; }

/* Responsive Adjustments */
@media (max-width: 768px) {
    .header-container {
        height: auto;
        padding: 12px 16px;
        flex-wrap: wrap;
    }
    .brand-subtitle {
        display: none;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .cases-grid {
        grid-template-columns: 1fr;
    }
    .report-meta-grid {
        grid-template-columns: 1fr;
    }
    .stepper-bar {
        padding: 10px;
    }
    .step-label {
        display: none;
    }
    .report-paper {
        padding: 20px;
    }
    .report-doc-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}