/* ================================================
   Surveys App — Global Styles
   ================================================ */
:root {
    --primary: #4f46e5;
    --primary-dark: #312e81;
    --primary-mid: #3730a3;
    --primary-light: #818cf8;
    --primary-bg: #eef2ff;
    --surface: #ffffff;
    --surface-alt: #f1f5f9;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --success-bg: #d1fae5;
    --success-text: #065f46;
    --warning-bg: #fef3c7;
    --warning-text: #92400e;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --danger-text: #991b1b;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.08);
    --shadow: 0 2px 4px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.08);
    --shadow-lg: 0 4px 8px rgba(0,0,0,.08), 0 12px 24px rgba(0,0,0,.12);
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--surface-alt);
    color: var(--text);
    min-height: 100vh;
}

h1:focus { outline: none; }

/* ================================================
   Navbar
   ================================================ */
.app-navbar {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    box-shadow: 0 2px 12px rgba(79, 70, 229, 0.35);
    padding: 0.55rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.app-navbar .navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
    color: white;
}

.app-navbar .navbar-brand:hover { color: rgba(255,255,255,0.9); }

.app-navbar .nav-link {
    color: rgba(255,255,255,0.82) !important;
    font-weight: 500;
    padding: 0.4rem 0.85rem !important;
    border-radius: var(--radius-sm);
    transition: background-color 0.15s ease, color 0.15s ease;
    font-size: 0.9rem;
}

.app-navbar .nav-link:hover {
    color: white !important;
    background-color: rgba(255,255,255,0.15);
}

.app-navbar .nav-link.active {
    color: white !important;
    background-color: rgba(255,255,255,0.2);
}

.app-navbar .admin-link {
    background-color: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.18);
}

.app-navbar .admin-link:hover {
    background-color: rgba(255,255,255,0.22);
}

/* ================================================
   Layout
   ================================================ */
.main-content { min-height: calc(100vh - 58px); }

/* ================================================
   Page headings
   ================================================ */
.page-title {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.025em;
    margin-bottom: 0.2rem;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ================================================
   Cards
   ================================================ */
.card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    background: var(--surface);
    transition: box-shadow 0.2s ease;
}

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

/* ================================================
   Status badges
   ================================================ */
.badge-active {
    background-color: var(--success-bg);
    color: var(--success-text);
    font-weight: 600;
    padding: 0.28em 0.7em;
    border-radius: 50rem;
    font-size: 0.7rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.badge-inactive {
    background-color: var(--danger-bg);
    color: var(--danger-text);
    font-weight: 600;
    padding: 0.28em 0.7em;
    border-radius: 50rem;
    font-size: 0.7rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.badge-datatype {
    background-color: var(--primary-bg);
    color: var(--primary-mid);
    font-weight: 600;
    padding: 0.22em 0.6em;
    border-radius: 6px;
    font-size: 0.7rem;
}

.badge-conditional {
    background-color: var(--warning-bg);
    color: var(--warning-text);
    font-weight: 600;
    padding: 0.22em 0.6em;
    border-radius: 6px;
    font-size: 0.7rem;
}

.badge-required {
    background-color: var(--danger-bg);
    color: var(--danger-text);
    font-weight: 600;
    padding: 0.22em 0.6em;
    border-radius: 6px;
    font-size: 0.7rem;
}

.badge-group {
    background-color: #ede9fe;
    color: #5b21b6;
    font-weight: 600;
    padding: 0.22em 0.6em;
    border-radius: 6px;
    font-size: 0.7rem;
}

/* ================================================
   Survey group/section fieldsets — fill page
   ================================================ */
.survey-group-fieldset {
    border: 1.5px solid #c7d2fe;
    border-radius: var(--radius);
    padding: 1rem 1rem 0.25rem;
    margin-bottom: 1.25rem;
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.survey-group-none {
    border: none;
    padding: 0;
    margin: 0;
    background: transparent;
    min-inline-size: auto;
}

.survey-group-legend {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary-mid);
    padding: 0.2rem 0.625rem;
    background: var(--surface);
    border: 1px solid #c7d2fe;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0.5rem;
}

/* ================================================
   Empty state
   ================================================ */
.empty-state {
    text-align: center;
    padding: 4.5rem 2rem;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 3.5rem;
    margin-bottom: 1.25rem;
    opacity: 0.28;
    display: block;
}

.empty-state h3 {
    font-weight: 600;
    color: var(--text);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

/* ================================================
   Form sections
   ================================================ */
.form-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.form-section-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1.25rem;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-label {
    font-weight: 500;
    color: var(--text);
    font-size: 0.875rem;
}

.form-control,
.form-select {
    border-radius: var(--radius-sm);
    border-color: var(--border);
    font-size: 0.9rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

/* ================================================
   Buttons
   ================================================ */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.15s ease;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background: var(--primary-mid);
    border-color: var(--primary-mid);
}

.btn-sm { font-size: 0.78rem; }

/* ================================================
   Admin question list items
   ================================================ */
.question-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    padding: 1rem 1.25rem;
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.question-item:hover {
    box-shadow: var(--shadow);
    border-color: #c7d2fe;
}

.question-number {
    width: 30px;
    height: 30px;
    min-width: 30px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
}

/* ================================================
   Survey fill — user-facing question cards
   ================================================ */
.survey-question-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.survey-question-card:focus-within {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.08), var(--shadow-sm);
}

.question-label {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 0.875rem;
    line-height: 1.45;
}

.required-star { color: var(--danger); margin-left: 3px; }

/* ================================================
   Home hero
   ================================================ */
.hero-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
    color: white;
    padding: 3.5rem 2rem;
    border-radius: 16px;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-lg);
}

.hero-section h1 {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.875rem;
    color: white;
}

.hero-section p {
    font-size: 1.05rem;
    opacity: 0.88;
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ================================================
   Survey browse cards — user-facing
   ================================================ */
.survey-browse-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.survey-browse-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: #c7d2fe;
}

.survey-browse-card .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* ================================================
   Confirm modal
   ================================================ */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(2px);
}

.confirm-box {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 2rem;
    max-width: 420px;
    width: calc(100% - 2rem);
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    animation: popIn 0.15s ease;
}

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

/* ================================================
   Blazor validation (keep originals)
   ================================================ */
.valid.modified:not([type=checkbox]) { outline: 1px solid #26b050; }
.invalid { outline: 1px solid #e50000; }
.validation-message { color: #e50000; }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after { content: "An error has occurred."; }
.darker-border-checkbox.form-check-input { border-color: #929292; }


    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}