/* CSS Variables - Design Tokens */
/* Chord Robotics Brand: Black + Orange */
:root {
    /* Colors - Chord Robotics Orange */
    --color-primary: #E85D2D;
    --color-primary-dark: #D14D1F;
    --color-primary-light: #F06D3D;

    /* Urgency colors (functional - kept separate from brand) */
    --color-urgency-safe: #22c55e;       /* >14 days - green */
    --color-urgency-warning: #f59e0b;    /* 7-14 days - amber */
    --color-urgency-danger: #ef4444;     /* <7 days - red */
    --color-urgency-critical: #dc2626;   /* <3 days - bold red */

    /* Triage status colors */
    --color-status-new: #6b7280;         /* gray */
    --color-status-go: #22c55e;          /* green */
    --color-status-pass: #ef4444;        /* red */
    --color-status-watch: #f59e0b;       /* amber */

    /* Neutral colors - Chord Robotics dark theme */
    /* Softer palette with better contrast gradients */
    --color-white: #ffffff;
    --color-gray-50: #fafafa;
    --color-gray-100: #f4f4f5;
    --color-gray-200: #e4e4e7;
    --color-gray-300: #d4d4d8;
    --color-gray-400: #a1a1aa;
    --color-gray-500: #71717a;
    --color-gray-600: #52525b;
    --color-gray-700: #3f3f46;
    --color-gray-800: #27272a;
    --color-gray-900: #1c1c1e;
    --color-black: #121214;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 0.9375rem;
    --font-size-lg: 1rem;
    --font-size-xl: 1.125rem;
    --font-size-2xl: 1.25rem;
    --font-size-3xl: 1.5rem;

    /* Spacing - Tighter for desktop */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.375rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
    --spacing-2xl: 2rem;

    /* Border radius */
    --radius-sm: 0.125rem;
    --radius-md: 0.25rem;
    --radius-lg: 0.375rem;
    --radius-xl: 0.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 2px 4px -1px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 4px 8px -2px rgb(0 0 0 / 0.4);
}

/* Reset and base styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.4;
    color: var(--color-gray-800);
    background-color: var(--color-gray-100);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    color: var(--color-primary-light);
    text-decoration: none;
}

/* Navigation - Mobile first */
/* Chord Robotics: Black navbar, white text, orange active */
.navbar {
    background-color: var(--color-black);
    padding: var(--spacing-sm) var(--spacing-md);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--color-gray-800);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    color: var(--color-white);
    font-size: var(--font-size-xl);
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-brand:hover {
    text-decoration: none;
    opacity: 0.9;
}

.brand-logo {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
}

.brand-logo-img {
    width: 24px;
    height: 24px;
    max-width: 24px;
    max-height: 24px;
    border-radius: 50%;
    object-fit: contain;
    flex-shrink: 0;
}

.brand-text {
    font-weight: 500;
    font-size: var(--font-size-base);
    letter-spacing: 0.05em;
}

@media (max-width: 480px) {
    .brand-text {
        display: none;
    }
}

.nav-toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav-toggle-icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    left: 0;
}

.nav-toggle-icon::before {
    top: -8px;
}

.nav-toggle-icon::after {
    top: 8px;
}

.nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    list-style: none;
    margin-top: var(--spacing-md);
    gap: var(--spacing-xs);
}

.nav-menu.active {
    display: flex;
}

.nav-item {
    width: 100%;
}

.nav-link {
    display: block;
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    text-transform: uppercase;
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: color 0.15s ease, transform 0.15s ease;
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    color: var(--color-primary);
    text-decoration: none;
    transform: translateY(-1px);
}

.nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
    border-bottom: 2px solid var(--color-primary);
    border-radius: 0;
}

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

.nav-link.disabled:hover {
    background-color: transparent;
}

.nav-logout {
    color: var(--color-gray-200);
}

/* Desktop navigation */
@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }

    .nav-menu {
        display: flex;
        flex-direction: row;
        width: auto;
        margin-top: 0;
        gap: var(--spacing-sm);
    }

    .nav-item {
        width: auto;
    }

    .nav-item-right {
        margin-left: auto;
    }
}

/* Main content */
.main-container {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-md);
}

@media (min-width: 768px) {
    .main-container {
        padding: var(--spacing-lg);
    }
}

/* Footer */
.footer {
    background-color: var(--color-black);
    color: var(--color-gray-500);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: auto;
    border-top: 1px solid var(--color-gray-800);
    font-size: var(--font-size-xs);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-size: var(--font-size-sm);
}

/* Page header */
.page-header {
    margin-bottom: var(--spacing-lg);
}

.page-title {
    display: inline-block;
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-gray-900);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: var(--spacing-xs);
    border-bottom: 3px solid var(--color-primary);
}

@media (min-width: 768px) {
    .page-title {
        font-size: var(--font-size-2xl);
    }
}

/* Cards - Light theme with depth */
.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

@media (min-width: 768px) {
    .card {
        padding: var(--spacing-md);
    }
}

.card-title {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.card-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1.2;
}

.card-link {
    display: inline-block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    transition: color 0.15s ease, transform 0.15s ease;
}

.card-link:hover {
    transform: translateX(4px);
}

/* Summary cards grid - compact layout */
.summary-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 640px) {
    .summary-cards {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
}

.summary-card {
    border-left: 3px solid var(--color-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
    border-left-color: var(--color-primary-light);
}

.summary-card.urgent {
    border-left-color: var(--color-urgency-danger);
}

.summary-card.urgent:hover {
    border-left-color: #f87171;
}

.summary-card.warning {
    border-left-color: var(--color-urgency-warning);
}

.summary-card.warning:hover {
    border-left-color: #fbbf24;
}

.summary-card.success {
    border-left-color: var(--color-urgency-safe);
}

.summary-card.success:hover {
    border-left-color: #4ade80;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.status-badge:hover {
    transform: scale(1.05);
}

.status-badge.new {
    background-color: var(--color-gray-200);
    color: var(--color-gray-700);
}

.status-badge.go {
    background-color: var(--color-status-go);
    color: var(--color-white);
}

.status-badge.pass {
    background-color: var(--color-status-pass);
    color: var(--color-white);
}

.status-badge.watch {
    background-color: var(--color-status-watch);
    color: var(--color-gray-900);
}

/* Deadline badges */
.deadline-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.deadline-badge.safe {
    background-color: rgba(34, 197, 94, 0.1);
    color: var(--color-urgency-safe);
}

.deadline-badge.warning {
    background-color: rgba(234, 179, 8, 0.1);
    color: var(--color-urgency-warning);
}

.deadline-badge.danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-urgency-danger);
}

.deadline-badge.critical {
    background-color: rgba(220, 38, 38, 0.2);
    color: var(--color-urgency-critical);
    font-weight: 700;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.15s ease;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    color: var(--color-white);
}

.btn-go {
    background-color: var(--color-status-go);
    color: var(--color-white);
}

.btn-go:hover {
    background-color: #16a34a;
    color: var(--color-white);
}

.btn-pass {
    background-color: var(--color-status-pass);
    color: var(--color-white);
}

.btn-pass:hover {
    background-color: #dc2626;
    color: var(--color-white);
}

.btn-watch {
    background-color: var(--color-status-watch);
    color: var(--color-gray-900);
}

.btn-watch:hover {
    background-color: #ca8a04;
    color: var(--color-gray-900);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--color-gray-300);
    color: var(--color-gray-600);
}

.btn-outline:hover {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-400);
}

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

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
}

/* Triage buttons group */
.triage-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.triage-buttons .btn {
    flex: 1;
    min-width: 80px;
}

@media (min-width: 640px) {
    .triage-buttons .btn {
        flex: none;
    }
}

/* Tables - Mobile responsive */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table th,
.table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.table th {
    background-color: var(--color-gray-50);
    font-weight: 500;
    color: var(--color-gray-600);
    white-space: nowrap;
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    letter-spacing: 0.05em;
}

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

.table-link {
    color: var(--color-primary);
    font-weight: 500;
}

/* Mobile card list (alternative to table) */
.opportunity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.opportunity-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border-left: 3px solid var(--color-gray-300);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.opportunity-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
    border-color: var(--color-gray-300);
}

.opportunity-card.go {
    border-left-color: var(--color-status-go);
}

.opportunity-card.go:hover {
    border-left-color: #4ade80;
}

.opportunity-card.pass {
    border-left-color: var(--color-status-pass);
}

.opportunity-card.pass:hover {
    border-left-color: #f87171;
}

.opportunity-card.watch {
    border-left-color: var(--color-status-watch);
}

.opportunity-card.watch:hover {
    border-left-color: #fbbf24;
}

.opportunity-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.opportunity-card-title {
    font-weight: 500;
    color: var(--color-gray-900);
    font-size: var(--font-size-base);
}

.opportunity-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
}

.opportunity-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.opportunity-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-gray-200);
}

/* Filters */
.filters {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
}

@media (min-width: 768px) {
    .filters {
        flex-direction: row;
        align-items: flex-end;
    }
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex: 1;
}

.filter-group label {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.filter-group select,
.filter-group input {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    background-color: var(--color-white);
    color: var(--color-gray-800);
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(232, 93, 45, 0.2);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.pagination-info {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    text-align: center;
    width: 100%;
    margin-bottom: var(--spacing-sm);
}

@media (min-width: 640px) {
    .pagination-info {
        width: auto;
        margin-bottom: 0;
    }
}

/* Detail page */
.detail-header {
    margin-bottom: var(--spacing-lg);
}

.detail-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-gray-900);
}

@media (min-width: 768px) {
    .detail-title {
        font-size: var(--font-size-xl);
    }
}

.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    color: var(--color-gray-400);
    font-size: var(--font-size-xs);
}

.detail-section {
    margin-bottom: var(--spacing-lg);
}

.detail-section-title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-primary);
}

.detail-content {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.detail-field {
    margin-bottom: var(--spacing-sm);
}

.detail-field:last-child {
    margin-bottom: 0;
}

.detail-field-label {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.detail-field-value {
    color: var(--color-gray-800);
}

/* Fit score display */
.fit-score {
    display: flex;
    gap: var(--spacing-xs);
}

.fit-score-star {
    font-size: var(--font-size-lg);
    color: var(--color-gray-300);
}

.fit-score-star.filled {
    color: var(--color-urgency-warning);
}

/* Alert/message styles */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: rgba(34, 197, 94, 0.1);
    color: var(--color-urgency-safe);
    border: 1px solid var(--color-urgency-safe);
}

.alert-error {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-urgency-danger);
    border: 1px solid var(--color-urgency-danger);
}

.alert-warning {
    background-color: rgba(234, 179, 8, 0.1);
    color: #a16207;
    border: 1px solid var(--color-urgency-warning);
}

/* Back link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
}

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

/* Utility classes */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.hidden {
    display: none;
}

/* Loading state */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* External link icon */
.external-link::after {
    content: ' \2197';
    font-size: 0.8em;
}

/* ========================================
   Mobile Optimization (375px and below)
   ======================================== */

/* Ensure minimum touch target size */
button, a, input, select, .btn {
    min-height: 44px;
}

/* Prevent horizontal scrolling */
html, body {
    max-width: 100%;
    overflow-x: hidden;
}

/* Mobile-specific improvements */
@media (max-width: 374px) {
    /* Extra small screens */
    :root {
        --font-size-base: 0.9375rem; /* 15px */
    }

    .main-container {
        padding: var(--spacing-sm);
    }

    .card {
        padding: var(--spacing-sm);
    }

    .page-title {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 640px) {
    /* Mobile: stack everything vertically */
    .summary-cards {
        grid-template-columns: 1fr;
    }

    .opportunity-card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .opportunity-card-footer {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .triage-buttons {
        width: 100%;
    }

    .triage-buttons .btn {
        flex: 1;
        min-width: 0;
    }

    .opportunity-card-footer > .btn {
        width: 100%;
        justify-content: center;
    }

    /* Ensure readable text */
    .opportunity-card-meta {
        font-size: var(--font-size-sm);
    }

    /* Stack filter controls */
    .filters {
        flex-direction: column;
    }

    .filter-group {
        width: 100%;
    }

    /* Detail page adjustments */
    .detail-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    /* Pagination */
    .pagination {
        flex-direction: column;
    }

    .pagination .btn {
        width: 100%;
    }
}

/* ========================================
   Swipe Gesture Styles
   ======================================== */

.opportunity-card {
    position: relative;
    transition: transform 0.2s ease-out, opacity 0.2s ease-out;
    touch-action: pan-y pinch-zoom;
    user-select: none;
    -webkit-user-select: none;
}

.opportunity-card.swiping {
    transition: none;
}

.opportunity-card.swipe-go {
    animation: swipeGoFlash 0.3s ease-out;
}

.opportunity-card.swipe-pass {
    animation: swipePassFlash 0.3s ease-out;
}

@keyframes swipeGoFlash {
    0% {
        background-color: var(--color-white);
    }
    50% {
        background-color: rgba(34, 197, 94, 0.2);
    }
    100% {
        background-color: var(--color-white);
    }
}

@keyframes swipePassFlash {
    0% {
        background-color: var(--color-white);
    }
    50% {
        background-color: rgba(239, 68, 68, 0.2);
    }
    100% {
        background-color: var(--color-white);
    }
}

/* Swipe indicator overlays */
.swipe-indicator {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-lg);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
}

.swipe-indicator.left {
    left: 0;
    background: linear-gradient(to right, rgba(239, 68, 68, 0.8), transparent);
    color: var(--color-white);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.swipe-indicator.right {
    right: 0;
    background: linear-gradient(to left, rgba(34, 197, 94, 0.8), transparent);
    color: var(--color-white);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.swipe-indicator.visible {
    opacity: 1;
}

/* ========================================
   Loading States & Spinners
   ======================================== */

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-gray-300);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-spinner.large {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.loading-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

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

/* Button loading state */
.btn.loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.btn.loading.btn-primary::after,
.btn.loading.btn-go::after,
.btn.loading.btn-pass::after {
    border-color: var(--color-white);
    border-top-color: transparent;
}

/* ========================================
   Toast Notifications
   ======================================== */

.toast-container {
    position: fixed;
    top: 80px;
    right: 16px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-width: calc(100% - 32px);
    width: 320px;
    pointer-events: none;
}

@media (max-width: 640px) {
    .toast-container {
        top: auto;
        bottom: 16px;
        right: 16px;
        left: 16px;
        width: auto;
    }
}

.toast {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    padding: var(--spacing-md);
    pointer-events: auto;
    animation: slideIn 0.3s ease-out;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.toast.success {
    border-left: 4px solid var(--color-urgency-safe);
}

.toast.error {
    border-left: 4px solid var(--color-urgency-danger);
}

.toast.warning {
    border-left: 4px solid var(--color-urgency-warning);
}

.toast-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
}

.toast.success .toast-icon {
    color: var(--color-urgency-safe);
}

.toast.error .toast-icon {
    color: var(--color-urgency-danger);
}

.toast.warning .toast-icon {
    color: var(--color-urgency-warning);
}

.toast-message {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.toast-close {
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    padding: var(--spacing-xs);
    margin: calc(-1 * var(--spacing-xs));
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-close:hover {
    color: var(--color-gray-700);
}

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

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

.toast.removing {
    animation: slideOut 0.3s ease-out forwards;
}

/* ========================================
   Form Input Enhancements
   ======================================== */

/* Ensure minimum touch target for inputs */
input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="search"],
select,
textarea {
    min-height: 44px;
    font-size: 16px; /* Prevents iOS zoom on focus */
}

/* Checkbox and radio button touch targets */
input[type="checkbox"],
input[type="radio"] {
    min-width: 20px;
    min-height: 20px;
}

.checkbox-wrapper,
.radio-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-height: 44px;
    padding: var(--spacing-xs) 0;
}

.checkbox-wrapper label,
.radio-wrapper label {
    cursor: pointer;
}