/* BPA Premium Design System */

:root {
    --color-navy-900: #152a45;
    --color-navy-800: #1e3a5f;
    --color-navy-700: #25476f;
    --color-blue-600: #2f6fed;
    --color-blue-500: #4b83f5;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-500: #64748b;
    --color-gray-700: #334155;
    --color-gray-900: #0f172a;
    --color-white: #ffffff;
    --color-green-50: #ecfdf5;
    --color-green-700: #047857;
    --color-green-800: #065f46;
    --color-amber-50: #fffbeb;
    --color-amber-700: #b45309;
    --color-amber-800: #92400e;
    --color-red-50: #fef2f2;
    --color-red-700: #b91c1c;
    --color-red-800: #991b1b;
    --color-blue-50: #eff6ff;
    --color-blue-800: #1e40af;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --space-1: 0.5rem;
    --space-2: 0.75rem;
    --space-3: 1rem;
    --space-4: 1.5rem;
    --space-5: 2rem;
    --space-6: 2.5rem;
    --space-7: 3rem;
}

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

html {
    color-scheme: light;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    line-height: 1.55;
    background: var(--color-gray-50);
    color: var(--color-gray-900);
}

.app-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-4) var(--space-3) var(--space-7);
}

/* Top navigation */
.app-header {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    padding: var(--space-2) var(--space-3);
    margin-bottom: var(--space-5);
}

.app-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.brand-mark {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: var(--color-navy-800);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.brand-logo {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-navy-800), var(--color-blue-600));
    display: grid;
    place-items: center;
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
}

.brand-name {
    font-size: 0.95rem;
}

.app-nav-links {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.15rem;
    align-items: stretch;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-top: 1px solid var(--color-gray-100);
    padding-top: 0.35rem;
}

.nav-link,
.nav-item-disabled {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--color-gray-500);
    border: none;
    background: transparent;
}

.nav-link:hover {
    color: var(--color-navy-800);
    background: var(--color-gray-50);
}

.nav-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.25rem;
    height: 1.25rem;
    padding: 0 0.35rem;
    border-radius: 999px;
    background: var(--color-red-700);
    color: #fff;
    font-size: 0.6875rem;
    font-weight: 700;
    line-height: 1;
}

.nav-link.active-nav,
.nav-link[aria-current="page"] {
    color: var(--color-navy-800);
    font-weight: 600;
    box-shadow: inset 0 -2px 0 var(--color-blue-600);
    border-radius: 0;
    background: transparent;
}

.nav-item-disabled {
    color: var(--color-gray-300);
    cursor: not-allowed;
}

.nav-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    opacity: 0.85;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Hero */
.page-hero {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    padding: var(--space-5) var(--space-5) var(--space-4);
    margin-bottom: var(--space-5);
    background: linear-gradient(135deg, #1e3a5f 0%, #25476f 42%, #2f6fed 100%);
    color: #ffffff;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Status classes must not alter hero background contrast */
.page-hero.health-excellent,
.page-hero.health-healthy,
.page-hero.health-attention,
.page-hero.health-critical {
    background: linear-gradient(135deg, #1e3a5f 0%, #25476f 42%, #2f6fed 100%);
    color: #ffffff;
}

.page-hero::before,
.page-hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    pointer-events: none;
}

.page-hero::before {
    width: 320px;
    height: 320px;
    top: -140px;
    right: -80px;
}

.page-hero::after {
    width: 220px;
    height: 220px;
    bottom: -100px;
    left: -60px;
}

.page-hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-5);
    align-items: stretch;
}

.page-hero-title {
    margin: 0 0 0.35rem;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    color: #ffffff;
}

.page-hero-subtitle {
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: 1rem;
    max-width: 40rem;
    line-height: 1.5;
}

.page-hero-subtitle.hero-greeting {
    margin-bottom: 0.35rem;
    font-size: 0.9375rem;
    font-weight: 500;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem 1.75rem;
    margin-top: var(--space-3);
    font-size: 0.9375rem;
    line-height: 1.45;
}

.hero-meta span {
    color: rgba(255, 255, 255, 0.82);
}

.hero-meta strong {
    color: #ffffff;
    font-weight: 600;
}

.hero-health {
    background: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.92);
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-4) var(--space-3);
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.22);
    text-align: center;
    min-width: 168px;
    align-self: center;
}

.hero-health-label {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gray-500);
    margin-bottom: 0.5rem;
}

.hero-health-score {
    font-size: 3.25rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.05em;
    color: var(--color-navy-800);
}

.hero-health-score small {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-500);
}

.hero-health .status-chip {
    margin-top: 0.75rem;
}

/* Cards */
.card,
.ds-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    box-shadow: var(--shadow-xs);
}

.section {
    margin-bottom: var(--space-6);
}

.section-title {
    margin: 0 0 var(--space-3);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gray-500);
}

/* Status chips */
.status-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.28rem 0.7rem;
    border-radius: 999px;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: 1px solid transparent;
}

.chip-healthy, .health-excellent, .health-healthy {
    background: var(--color-green-50);
    color: var(--color-green-800);
    border-color: #bbf7d0;
}

.chip-warning, .health-attention {
    background: var(--color-amber-50);
    color: var(--color-amber-800);
    border-color: #fde68a;
}

.chip-critical, .health-critical {
    background: var(--color-red-50);
    color: var(--color-red-800);
    border-color: #fecaca;
}

.chip-neutral, .chip-baseline, .chip-limited {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
    border-color: var(--color-gray-200);
}

.chip-info {
    background: var(--color-blue-50);
    color: var(--color-blue-800);
    border-color: #bfdbfe;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    background: var(--color-navy-800);
    color: white;
    border: 1px solid var(--color-navy-800);
    border-radius: var(--radius-sm);
    padding: 0.65rem 1.1rem;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.btn:hover {
    background: var(--color-navy-700);
    border-color: var(--color-navy-700);
}

.btn-secondary,
.btn-outline {
    background: white;
    color: var(--color-navy-800);
    border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover,
.btn-outline:hover {
    background: var(--color-gray-50);
    border-color: var(--color-navy-800);
}

.btn:focus-visible,
.nav-link:focus-visible,
.page-return-link:focus-visible {
    outline: 2px solid var(--color-blue-600);
    outline-offset: 2px;
}

.btn:disabled {
    background: var(--color-gray-300);
    border-color: var(--color-gray-300);
    cursor: not-allowed;
}

/* Typography helpers */
.muted {
    color: var(--color-gray-500);
}

.page-return-link,
.dashboard-return-link {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-blue-600);
    text-decoration: none;
    margin-bottom: var(--space-3);
}

.page-return-link:hover,
.dashboard-return-link:hover {
    text-decoration: underline;
}

.page-subtitle {
    color: var(--color-gray-500);
    font-size: 1rem;
    margin: 0.35rem 0 0;
    max-width: 42rem;
}

/* Alerts */
.alert {
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    margin-bottom: var(--space-3);
    border: 1px solid transparent;
}

.alert-error {
    background: var(--color-red-50);
    border-color: #fecaca;
    color: var(--color-red-800);
}

.alert-warning {
    background: var(--color-amber-50);
    border-color: #fde68a;
    color: var(--color-amber-800);
}

.alert-success {
    background: var(--color-green-50);
    border-color: #bbf7d0;
    color: var(--color-green-800);
}

.alert-neutral {
    background: var(--color-gray-100);
    border-color: var(--color-gray-200);
    color: var(--color-gray-700);
}

/* KPI cards */
.kpi-grid,
.snapshot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-3);
}

.kpi-card,
.snapshot-card {
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: 1.15rem 1.25rem;
    box-shadow: var(--shadow-xs);
}

.kpi-card-muted,
.snapshot-card-muted {
    background: var(--color-gray-50);
}

.kpi-why {
    margin-top: 0.65rem;
    border-top: 1px solid var(--color-gray-200);
    padding-top: 0.5rem;
}

.kpi-why > summary {
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-blue-600);
    list-style: none;
}

.kpi-why > summary::-webkit-details-marker {
    display: none;
}

.kpi-why-body {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--color-gray-700);
    line-height: 1.45;
}

.kpi-why-body p {
    margin: 0 0 0.4rem;
}

.kpi-why-body ul {
    margin: 0 0 0.5rem 1rem;
    padding: 0;
}

.kpi-label,
.snapshot-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-500);
    margin-bottom: 0.45rem;
}

.kpi-value,
.snapshot-value {
    font-size: 1.375rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-gray-900);
}

.kpi-unavailable,
.snapshot-unavailable {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-500);
}

/* Executive brief */
.executive-brief {
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    box-shadow: var(--shadow-xs);
    margin-bottom: var(--space-4);
}

.executive-brief-header {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: var(--space-3);
}

.executive-brief-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--color-blue-50);
    color: var(--color-blue-800);
    display: grid;
    place-items: center;
}

.executive-brief-title {
    margin: 0;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-gray-500);
}

.executive-brief-body {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--color-gray-700);
    margin: 0;
}

.executive-brief-recommendation {
    margin-top: var(--space-4);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-gray-100);
}

.executive-brief-recommendation-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-navy-800);
    margin-bottom: 0.35rem;
}

/* Welcome */
.welcome-screen {
    min-height: calc(100vh - 4rem);
    display: grid;
    place-items: center;
}

.welcome-card {
    width: min(100%, 420px);
    text-align: center;
    padding: var(--space-6) var(--space-5);
}

.welcome-logo {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    margin: 0 auto var(--space-3);
    background: linear-gradient(135deg, var(--color-navy-800), var(--color-blue-600));
    color: white;
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 1rem;
}

.language-options {
    display: grid;
    gap: 0.75rem;
    margin-top: var(--space-4);
}

.language-option {
    width: 100%;
}

/* Tables, forms */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--space-3);
}

th, td {
    border-bottom: 1px solid var(--color-gray-200);
    padding: 0.75rem;
    text-align: left;
    vertical-align: top;
}

th {
    background: var(--color-gray-50);
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.form-field {
    margin-bottom: var(--space-3);
}

.form-field label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
    font-size: 0.875rem;
}

.form-field input,
.form-field select {
    width: 100%;
    max-width: 420px;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
}

.password-field {
    position: relative;
    max-width: 420px;
}

.password-field input {
    width: 100%;
    max-width: none;
    padding-right: 2.75rem;
}

/* Hide browser-native reveal / clear / credentials decorations so only the BPA eye shows.
   Edge/IE: ::-ms-reveal / ::-ms-clear
   Safari/WebKit: credentials + contacts autofill buttons (visual only; autofill still works).
   Safari may inject UA !important display toggles — collapse size/opacity as a reliable fallback. */
.password-field input::-ms-reveal,
.password-field input::-ms-clear {
    display: none;
}

.password-field input::-webkit-credentials-auto-fill-button,
.password-field input::-webkit-contacts-auto-fill-button {
    visibility: hidden;
    pointer-events: none;
    position: absolute;
    right: 0;
    width: 0;
    height: 0;
    margin: 0;
    padding: 0;
    opacity: 0;
    display: none !important;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 0.55rem;
    z-index: 2;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    margin: 0;
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: var(--color-gray-500);
    cursor: pointer;
    line-height: 0;
    appearance: none;
    -webkit-appearance: none;
    transition: color 0.15s ease;
}

.password-toggle:hover {
    color: var(--color-navy-800);
    background: transparent;
}

.password-toggle:focus {
    outline: none;
    background: transparent;
}

.password-toggle:focus-visible {
    outline: 2px solid var(--color-navy-800);
    outline-offset: 2px;
    color: var(--color-navy-800);
    background: transparent;
}

.password-toggle svg {
    width: 1.125rem;
    height: 1.125rem;
    display: block;
    pointer-events: none;
}

/* Hidden → outline eye; visible → eye-off */
.password-toggle[aria-pressed="true"] .password-icon-show,
.password-toggle[aria-pressed="false"] .password-icon-hide {
    display: none;
}

.breadcrumbs { margin-bottom: var(--space-3); }
.breadcrumb-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}
.breadcrumb-item:not(:last-child)::after {
    content: "/";
    margin-left: 0.35rem;
    color: var(--color-gray-300);
}
.breadcrumb-item a { color: var(--color-blue-600); text-decoration: none; }
.breadcrumb-item span[aria-current="page"] { color: var(--color-gray-700); font-weight: 600; }

.empty-hero {
    background: white;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6) var(--space-5);
    text-align: center;
    box-shadow: var(--shadow-xs);
}

@media (max-width: 768px) {
    .page-hero-inner {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    .hero-health {
        text-align: center;
        width: 100%;
        max-width: 280px;
        justify-self: start;
    }
    .app-header-top {
        flex-direction: column;
        align-items: flex-start;
    }
}