/* ============================================================
   ARMON TERRA v1.6 — Wireframe Design System
   Based on IRIS UX Principles + Microsoft Fluent Design
   ============================================================ */

:root {
    /* Primary Healthcare Blue — Azure/Fluent inspired */
    --primary-blue: #0078D4;
    --primary-blue-dark: #005A9E;
    --primary-blue-light: #50B7F7;

    /* TERRA Accent — Deep Indigo */
    --terra-accent: #5B4FC4;
    --terra-accent-dark: #4338A0;
    --terra-accent-light: #D8D5F2;

    /* Healthcare Status Colors */
    --success-green: #107C10;
    --warning-orange: #F7630C;
    --critical-red: #D13438;
    --info-teal: #008272;

    /* Neutral Grays — Professional Healthcare UI */
    --gray-50: #F8F9FA;
    --gray-100: #F1F3F5;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-500: #ADB5BD;
    --gray-600: #6C757D;
    --gray-700: #495057;
    --gray-800: #343A40;
    --gray-900: #212529;

    /* Text Colors */
    --text-primary: #212529;
    --text-secondary: #6C757D;
    --text-muted: #ADB5BD;

    /* Background Colors */
    --bg-body: #F8F9FA;
    --bg-card: #FFFFFF;
    --bg-nav: #FFFFFF;

    /* Border Colors */
    --border-light: #E9ECEF;
    --border-medium: #DEE2E6;

    /* Shadow Definitions */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-body);
}

/* ============================================================
   DESKTOP LAYOUT (Hospital + Admin)
   ============================================================ */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Top Navigation Bar */
.top-nav {
    background-color: var(--bg-nav);
    border-bottom: 1px solid var(--border-light);
    padding: 0 var(--spacing-lg);
    height: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

.app-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--terra-accent);
    letter-spacing: 1px;
}

.tenant-selector select,
.hospital-selector select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-medium);
    border-radius: 4px;
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    min-width: 250px;
}

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

.alerts {
    position: relative;
    cursor: pointer;
    color: var(--text-secondary);
}

.alerts:hover { color: var(--primary-blue); }

.notification-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--critical-red);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 4px;
    transition: background-color 0.2s;
}

.user-profile:hover { background-color: var(--gray-100); }

.user-profile img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--gray-300);
}

.user-name { font-weight: 600; color: var(--text-primary); }
.user-role { font-size: 12px; color: var(--text-secondary); }

/* Main Layout */
.main-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Side Navigation */
.side-nav {
    width: 260px;
    background-color: var(--bg-nav);
    border-right: 1px solid var(--border-light);
    overflow-y: auto;
    padding: var(--spacing-lg) 0;
    flex-shrink: 0;
}

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

.nav-section-header {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-top: var(--spacing-md);
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s;
}

.nav-item a:hover {
    background-color: var(--gray-100);
    color: var(--primary-blue);
}

.nav-item.active a {
    background-color: var(--primary-blue);
    color: white;
    font-weight: 600;
}

.nav-item.active a svg { stroke: white; }

/* Main Content Area */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xl);
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 13px;
}

.breadcrumb-item { color: var(--text-secondary); }
.breadcrumb-item.active { color: var(--text-primary); font-weight: 500; }
.breadcrumb-separator { color: var(--text-muted); margin: 0 var(--spacing-xs); }

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.page-header h1 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
}

.page-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

.header-actions {
    display: flex;
    gap: var(--spacing-md);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: white;
}
.btn-primary:hover {
    background-color: var(--primary-blue-dark);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: white;
    color: var(--text-primary);
    border-color: var(--border-medium);
}
.btn-secondary:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.btn-success {
    background-color: var(--success-green);
    color: white;
}
.btn-success:hover {
    background-color: #0e6b0e;
    box-shadow: var(--shadow-md);
}

.btn-warning {
    background-color: var(--warning-orange);
    color: white;
}
.btn-warning:hover {
    background-color: #e05a0a;
    box-shadow: var(--shadow-md);
}

.btn-critical {
    background-color: var(--critical-red);
    color: white;
}
.btn-critical:hover {
    background-color: #b52d30;
    box-shadow: var(--shadow-md);
}

.btn-terra {
    background-color: var(--terra-accent);
    color: white;
}
.btn-terra:hover {
    background-color: var(--terra-accent-dark);
    box-shadow: var(--shadow-md);
}

.btn-link {
    background: none;
    color: var(--text-secondary);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
}
.btn-link:hover { color: var(--primary-blue); }

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 13px;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 16px;
    font-weight: 600;
}

.btn-block {
    display: flex;
    width: 100%;
    justify-content: center;
}

.btn-icon {
    background: none;
    border: none;
    padding: var(--spacing-xs);
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s;
}
.btn-icon:hover { color: var(--primary-blue); }

/* ============================================================
   KPI CARDS
   ============================================================ */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.kpi-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
}

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

.kpi-card.alert { border-left: 4px solid var(--critical-red); }
.kpi-card.warning-card { border-left: 4px solid var(--warning-orange); }
.kpi-card.success-card { border-left: 4px solid var(--success-green); }
.kpi-card.info-card { border-left: 4px solid var(--primary-blue); }
.kpi-card.terra-card { border-left: 4px solid var(--terra-accent); }

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.kpi-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.kpi-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.kpi-trend {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 13px;
}
.kpi-trend.positive { color: var(--success-green); }
.kpi-trend.negative { color: var(--critical-red); }
.kpi-trend.neutral { color: var(--text-secondary); }

/* ============================================================
   CARDS
   ============================================================ */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body { padding: var(--spacing-lg); }
.card-body-flush { padding: 0; }

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

/* ============================================================
   STATUS BADGES
   ============================================================ */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}
.status-badge.critical { background-color: #FDECEA; color: var(--critical-red); }
.status-badge.warning { background-color: #FFF4E5; color: var(--warning-orange); }
.status-badge.success { background-color: #E8F5E8; color: var(--success-green); }
.status-badge.info { background-color: #E0F2F1; color: var(--info-teal); }
.status-badge.neutral { background-color: var(--gray-200); color: var(--text-secondary); }

.status-indicator {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}
.status-indicator.success { background-color: #E8F5E8; color: var(--success-green); }
.status-indicator.warning { background-color: #FFF4E5; color: var(--warning-orange); }
.status-indicator.error { background-color: #FDECEA; color: var(--critical-red); }

/* ============================================================
   DATA TABLES
   ============================================================ */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    padding: var(--spacing-md);
    background-color: var(--gray-50);
    border-bottom: 2px solid var(--border-medium);
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
}

.data-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
}

.data-table tr:hover { background-color: var(--gray-50); }

.table-footer {
    border-top: 1px solid var(--border-light);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.table-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 13px;
    color: var(--text-secondary);
}

.table-meta strong { color: var(--text-primary); }

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

/* ============================================================
   FILTERS
   ============================================================ */
.filter-bar {
    margin-bottom: var(--spacing-xl);
}

.filter-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: var(--spacing-md);
    align-items: end;
}

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

.filter-label {
    font-weight: 500;
    font-size: 13px;
    color: var(--text-primary);
}

.filter-input,
.filter-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-medium);
    border-radius: 4px;
    font-size: 14px;
    color: var(--text-primary);
    background-color: var(--bg-card);
    transition: border-color 0.2s;
}

.filter-input:focus,
.filter-select:focus {
    border-color: var(--primary-blue);
    outline: none;
}

.filter-input::placeholder { color: var(--text-secondary); }

/* ============================================================
   INFO BANNERS
   ============================================================ */
.info-banner {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-medium);
    border-left: 4px solid var(--primary-blue);
    border-radius: 4px;
    background-color: #f0f7ff;
    margin-bottom: var(--spacing-lg);
}

.info-banner svg { flex-shrink: 0; color: var(--primary-blue); }
.info-banner.success { background-color: #E8F5E8; border-left-color: var(--success-green); }
.info-banner.success svg { color: var(--success-green); }
.info-banner.warning { background-color: #FFF4E5; border-left-color: var(--warning-orange); }
.info-banner.warning svg { color: var(--warning-orange); }
.info-banner.critical { background-color: #FDECEA; border-left-color: var(--critical-red); }
.info-banner.critical svg { color: var(--critical-red); }

.info-banner strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.info-banner p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
}

/* ============================================================
   ACTIVITY / LIST ITEMS
   ============================================================ */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.activity-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 6px;
    transition: background-color 0.2s;
}
.activity-item:hover { background-color: var(--gray-50); }

.activity-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.activity-icon.scan-in { background-color: #E8F5E8; color: var(--success-green); }
.activity-icon.use { background-color: #E3F2FD; color: var(--primary-blue); }
.activity-icon.keep { background-color: #FFF4E5; color: var(--warning-orange); }
.activity-icon.checkout { background-color: #E0F2F1; color: var(--info-teal); }
.activity-icon.recall { background-color: #FDECEA; color: var(--critical-red); }

.activity-details { flex: 1; }
.activity-title { font-weight: 500; color: var(--text-primary); margin-bottom: 2px; }
.activity-meta { font-size: 13px; color: var(--text-secondary); }

/* ============================================================
   LINKS
   ============================================================ */
.link-primary {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
}
.link-primary:hover { text-decoration: underline; }

/* ============================================================
   COMPLIANCE INDICATOR
   ============================================================ */
.compliance-meter {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.compliance-bar {
    flex: 1;
    height: 12px;
    background-color: var(--gray-200);
    border-radius: 6px;
    overflow: hidden;
}

.compliance-fill {
    height: 100%;
    border-radius: 6px;
    transition: width 0.3s ease;
}

.compliance-fill.good { background-color: var(--success-green); }
.compliance-fill.warn { background-color: var(--warning-orange); }
.compliance-fill.breach { background-color: var(--critical-red); }

.compliance-value {
    min-width: 50px;
    text-align: right;
    font-weight: 600;
    font-size: 16px;
}

/* ============================================================
   PROGRESS BAR
   ============================================================ */
.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.3s ease;
    background-color: var(--primary-blue);
}
.progress-fill.error { background-color: var(--critical-red); }

/* ============================================================
   VENDOR LAYOUT — Mobile-First, Tablet Responsive
   ============================================================ */
.mobile-view {
    background-color: var(--bg-body);
}

.mobile-container {
    max-width: 600px;
    margin: 0 auto;
    min-height: 100vh;
    background-color: var(--bg-body);
    position: relative;
}

/* Vendor Header */
.vendor-header {
    background-color: var(--terra-accent);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.vendor-header .logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
}

.vendor-header .vendor-name {
    font-size: 12px;
    opacity: 0.9;
}

.vendor-header-right {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.vendor-header-right svg { stroke: white; }

/* Offline Banner */
.offline-banner {
    background-color: var(--warning-orange);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    font-weight: 500;
}

.offline-banner.expired {
    background-color: var(--critical-red);
}

.offline-banner .countdown {
    font-weight: 700;
    font-size: 16px;
}

.offline-banner .queue-count {
    background-color: rgba(255,255,255,0.3);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
}

/* Vendor Content */
.vendor-content {
    padding: var(--spacing-lg);
}

/* Vendor Location Bar */
.location-bar {
    background-color: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.location-bar .location-label {
    font-size: 12px;
    color: var(--text-secondary);
}

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

/* Vendor Action Buttons (Large, touch-friendly) */
.vendor-action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.vendor-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    border-radius: 12px;
    border: 2px solid var(--border-light);
    background-color: var(--bg-card);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: var(--text-primary);
    min-height: 120px;
}

.vendor-action-btn:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.vendor-action-btn .action-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.vendor-action-btn .action-label {
    font-weight: 600;
    font-size: 14px;
}

.vendor-action-btn .action-count {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* Vendor Camera Area */
.camera-area {
    background-color: var(--gray-900);
    border-radius: 12px;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.camera-area .camera-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
    opacity: 0.7;
}

.camera-area .camera-label {
    font-size: 14px;
    opacity: 0.7;
}

.camera-area .scan-frame {
    position: absolute;
    width: 180px;
    height: 180px;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 8px;
}

/* Vendor Item Card */
.vendor-item-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.vendor-item-card .item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.vendor-item-card .item-name {
    font-weight: 600;
    font-size: 16px;
    color: var(--text-primary);
}

.vendor-item-card .item-gtin {
    font-size: 13px;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
}

.vendor-item-card .item-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    font-size: 13px;
}

.vendor-item-card .detail-label {
    color: var(--text-secondary);
}

.vendor-item-card .detail-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Vendor Form Fields */
.vendor-form-group {
    margin-bottom: var(--spacing-lg);
}

.vendor-form-group label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.vendor-form-group .required {
    color: var(--critical-red);
}

.vendor-form-group input,
.vendor-form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    font-size: 16px;
    color: var(--text-primary);
    background-color: var(--bg-card);
}

.vendor-form-group input:focus,
.vendor-form-group select:focus {
    border-color: var(--primary-blue);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0,120,212,0.15);
}

.vendor-form-group .help-text {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* PIN Entry */
.pin-entry {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin: var(--spacing-xl) 0;
}

.pin-dot {
    width: 48px;
    height: 48px;
    border: 2px solid var(--border-medium);
    border-radius: 50%;
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    line-height: 44px;
}

.pin-dot.filled {
    border-color: var(--primary-blue);
    background-color: #f0f7ff;
}

/* Vendor Bottom Nav */
.vendor-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 600px;
    background-color: var(--bg-nav);
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm) 0;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.08);
    z-index: 100;
}

.vendor-bottom-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 11px;
    font-weight: 500;
    gap: 2px;
    transition: color 0.2s;
}

.vendor-bottom-nav a.active {
    color: var(--terra-accent);
}

.vendor-bottom-nav a:hover {
    color: var(--primary-blue);
}

/* ============================================================
   VENDOR RECONCILE
   ============================================================ */
.reconcile-summary {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.reconcile-stat {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border-light);
}

.reconcile-stat .stat-value {
    font-size: 24px;
    font-weight: 700;
}

.reconcile-stat .stat-label {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============================================================
   CONFLICT RESOLUTION
   ============================================================ */
.conflict-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-light);
    border-left: 4px solid var(--warning-orange);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.conflict-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.conflict-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.conflict-side {
    padding: var(--spacing-md);
    border-radius: 6px;
    font-size: 13px;
}

.conflict-side.local {
    background-color: #FFF4E5;
    border: 1px solid var(--warning-orange);
}

.conflict-side.server {
    background-color: #f0f7ff;
    border: 1px solid var(--primary-blue);
}

.conflict-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* ============================================================
   VENDOR UTILITY CLASSES — Responsive support
   ============================================================ */

/* Bottom-nav scroll clearance */
.vendor-content { padding-bottom: 80px; }

/* Quantity input */
.qty-input {
    width: 72px;
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    padding: var(--spacing-md);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    color: var(--text-primary);
    background-color: var(--bg-card);
}

/* Vendor stats row (used on home, reconcile) */
.vendor-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

/* Status option radio cards (Use screen) */
.status-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
    background: var(--bg-card);
}

.status-option:hover {
    border-color: var(--gray-400);
}

.status-option input[type="radio"] {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.status-option-label {
    font-weight: 600;
}

.status-option-desc {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Vendor detail row (inline key/value pairs) */
.vendor-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    font-size: 13px;
}

/* Scan form layout — stacks on phone, side-by-side on tablet */
.scan-form-layout {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Event queue item */
.queue-item {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.queue-item:last-child { border-bottom: none; }

.queue-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* ============================================================
   LOGIN SCREEN
   ============================================================ */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--terra-accent) 0%, var(--primary-blue-dark) 100%);
    padding: var(--spacing-xl);
}

.login-card {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: var(--spacing-xxl);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.login-logo {
    margin-bottom: var(--spacing-xl);
}

.login-logo h1 {
    font-size: 36px;
    font-weight: 700;
    color: var(--terra-accent);
    letter-spacing: 3px;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: var(--spacing-xs);
}

.otp-input-group {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin: var(--spacing-xl) 0;
}

.otp-input {
    width: 48px;
    height: 56px;
    border: 2px solid var(--border-medium);
    border-radius: 8px;
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.otp-input:focus {
    border-color: var(--primary-blue);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0,120,212,0.15);
}

/* ============================================================
   ADMIN LAYOUT
   ============================================================ */
.admin-header {
    background-color: var(--gray-900);
    color: white;
}

.admin-header .app-title {
    color: white;
}

.admin-header .user-name { color: white; }
.admin-header .user-role { color: var(--gray-400); }

.admin-sidebar {
    background-color: var(--gray-800);
}

.admin-sidebar .nav-item a {
    color: var(--gray-300);
}

.admin-sidebar .nav-item a:hover {
    background-color: var(--gray-700);
    color: white;
}

.admin-sidebar .nav-item.active a {
    background-color: var(--terra-accent);
    color: white;
}

.admin-sidebar .nav-section-header {
    color: var(--gray-500);
}

/* Wizard Steps */
.wizard-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xxl);
    position: relative;
}

.wizard-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 40px;
    right: 40px;
    height: 2px;
    background-color: var(--border-medium);
}

.wizard-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
}

.wizard-step .step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--gray-200);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.wizard-step.active .step-number {
    background-color: var(--primary-blue);
    color: white;
}

.wizard-step.completed .step-number {
    background-color: var(--success-green);
    color: white;
}

.wizard-step .step-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.wizard-step.active .step-label {
    color: var(--primary-blue);
    font-weight: 600;
}

/* Tenant Status */
.tenant-status {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.tenant-status.draft { background-color: var(--gray-200); color: var(--text-secondary); }
.tenant-status.provisioning { background-color: #FFF4E5; color: var(--warning-orange); }
.tenant-status.ready { background-color: #E3F2FD; color: var(--primary-blue); }
.tenant-status.live { background-color: #E8F5E8; color: var(--success-green); }
.tenant-status.suspended { background-color: #FDECEA; color: var(--critical-red); }

/* ============================================================
   QR CODE PLACEHOLDER
   ============================================================ */
.qr-code-placeholder {
    width: 160px;
    height: 160px;
    border: 2px dashed var(--border-medium);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--gray-50);
    margin: var(--spacing-md) auto;
}

.qr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.qr-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.qr-card .location-name {
    font-weight: 600;
    margin-top: var(--spacing-md);
}

.qr-card .location-id {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============================================================
   RECALL EXPOSURE
   ============================================================ */
.recall-item {
    padding: var(--spacing-lg);
    border: 1px solid var(--border-light);
    border-left: 4px solid var(--critical-red);
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
    background-color: var(--bg-card);
}

.recall-item .recall-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.recall-item .recall-title {
    font-weight: 600;
    font-size: 16px;
    color: var(--critical-red);
}

.recall-item .recall-details {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-md);
    font-size: 13px;
}

/* ============================================================
   FORM SECTIONS (Hospital Config)
   ============================================================ */
.form-section {
    margin-bottom: var(--spacing-xl);
}

.form-section h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-light);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

.form-group label {
    font-weight: 500;
    font-size: 13px;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-medium);
    border-radius: 4px;
    font-size: 14px;
    color: var(--text-primary);
    background-color: var(--bg-card);
}

.form-group .help-text {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============================================================
   FILE UPLOAD AREA
   ============================================================ */
.upload-area {
    border: 2px dashed var(--border-medium);
    border-radius: 8px;
    padding: var(--spacing-xxl);
    text-align: center;
    background-color: var(--gray-50);
    transition: all 0.2s;
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-blue);
    background-color: #f0f7ff;
}

.upload-area .upload-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md);
    color: var(--text-secondary);
}

.upload-area .upload-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.upload-area .upload-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ============================================================
   LIABILITY ACCEPTANCE
   ============================================================ */
.liability-box {
    background-color: var(--gray-50);
    border: 1px solid var(--border-medium);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    max-height: 200px;
    overflow-y: auto;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.liability-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    font-weight: 500;
}

.liability-check input[type="checkbox"] {
    width: 20px;
    height: 20px;
}

/* ============================================================
   VENDOR RESPONSIVE — Tablet (600px+)
   ============================================================ */
@media (min-width: 600px) {
    .mobile-container {
        max-width: 768px;
    }

    .vendor-bottom-nav {
        max-width: 768px;
    }

    .vendor-header {
        padding: var(--spacing-md) var(--spacing-xl);
    }

    .vendor-header .logo-text {
        font-size: 22px;
    }

    .vendor-content {
        padding: var(--spacing-xl) var(--spacing-xxl);
    }

    /* Action grid: 4 across on tablets */
    .vendor-action-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-lg);
    }

    .vendor-action-btn {
        min-height: 140px;
        padding: var(--spacing-xl);
    }

    .vendor-action-btn .action-icon {
        width: 56px;
        height: 56px;
    }

    /* Camera area taller on tablets */
    .camera-area {
        height: 260px;
    }

    .camera-area .scan-frame {
        width: 220px;
        height: 220px;
    }

    /* Item details: wider grid on tablet */
    .vendor-item-card .item-details {
        grid-template-columns: auto 1fr auto 1fr;
    }

    /* Forms: inline rows on tablet */
    .vendor-form-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

    /* Reconcile summary: larger */
    .reconcile-stat .stat-value {
        font-size: 28px;
    }

    /* Conflict comparison: always side by side */
    .conflict-comparison {
        gap: var(--spacing-lg);
    }

    .conflict-actions {
        gap: var(--spacing-md);
    }

    /* Location bar: more spacious */
    .location-bar {
        padding: var(--spacing-lg);
    }

    /* PIN entry: bigger on tablet */
    .pin-entry {
        gap: var(--spacing-lg);
    }

    .pin-dot {
        width: 56px;
        height: 56px;
        font-size: 28px;
        line-height: 52px;
    }

    /* OTP inputs bigger */
    .otp-input {
        width: 52px;
        height: 60px;
    }

    /* Login card wider on tablet */
    .login-card {
        max-width: 480px;
        padding: var(--spacing-xxl) 3rem;
    }

    /* Offline status: bigger countdown */
    .offline-banner {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 14px;
    }

    .offline-banner .countdown {
        font-size: 18px;
    }

    /* Bottom nav: roomier on tablet */
    .vendor-bottom-nav a {
        font-size: 12px;
        padding: var(--spacing-sm) var(--spacing-lg);
    }

    /* Data tables in vendor views: wider cells */
    .mobile-container .data-table td,
    .mobile-container .data-table th {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    /* Scan form: item card beside form on tablet */
    .scan-form-layout {
        flex-direction: row;
        align-items: flex-start;
    }

    .scan-form-layout > * {
        flex: 1;
        min-width: 0;
    }

    /* Status options: 2-column grid on tablet */
    .status-options-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }

    /* Qty input wider on tablet */
    .qty-input {
        width: 100px;
    }

    /* Vendor detail grid: 4 columns on tablet */
    .vendor-detail-grid {
        grid-template-columns: auto 1fr auto 1fr;
    }

    /* Matched items taller scroll area */
    .matched-items-scroll {
        max-height: 300px;
    }
}

/* Vendor Responsive — Small phone (max 390px) */
@media (max-width: 390px) {
    .vendor-action-grid {
        gap: var(--spacing-sm);
    }

    .vendor-action-btn {
        min-height: 100px;
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .vendor-action-btn .action-icon {
        width: 40px;
        height: 40px;
    }

    .vendor-action-btn .action-label {
        font-size: 12px;
    }

    .reconcile-summary {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .conflict-comparison {
        grid-template-columns: 1fr;
    }

    .pin-entry {
        gap: var(--spacing-sm);
    }

    .pin-dot {
        width: 40px;
        height: 40px;
        font-size: 20px;
        line-height: 36px;
    }

    .otp-input {
        width: 40px;
        height: 48px;
        font-size: 20px;
    }

    .vendor-content {
        padding: var(--spacing-md);
    }
}

/* ============================================================
   DESKTOP RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .side-nav { width: 200px; }
    .content-grid { grid-template-columns: 1fr; }
    .filter-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
}

@media (max-width: 768px) {
    .side-nav {
        position: fixed;
        left: -260px;
        z-index: 200;
        transition: left 0.3s;
    }
    .side-nav.open { left: 0; }
    .kpi-grid { grid-template-columns: 1fr; }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    .form-row { grid-template-columns: 1fr; }
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
    .side-nav, .top-nav, .header-actions, .vendor-header, .vendor-bottom-nav { display: none; }
    .main-content { padding: 0; }
}

/* ============================================================
   WIREFRAME ANNOTATIONS
   ============================================================ */
.wireframe-note {
    background-color: #FFFDE7;
    border: 1px solid #FFF176;
    border-radius: 4px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 12px;
    color: #F57F17;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.wireframe-note::before {
    content: '📐 ';
}

.spec-ref {
    background-color: #E8EAF6;
    border: 1px solid #9FA8DA;
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 11px;
    color: #283593;
    font-family: 'Courier New', monospace;
    white-space: nowrap;
}