:root {
    --ds-font-sans: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --ds-primary-100: #dbeafe;
    --ds-primary-200: #bfdbfe;
    --ds-primary-300: #60a5fa;
    --ds-primary-400: #3b82f6;
    --ds-primary-500: #2563eb;
    --ds-primary-600: #1d4ed8;
    --ds-primary-700: #1e40af;

    --ds-purple-100: #f3e8ff;
    --ds-purple-300: #c084fc;
    --ds-purple-400: #a855f7;
    --ds-purple-500: #9333ea;
    --ds-purple-600: #7e22ce;

    --ds-gray-100: #f8fafc;
    --ds-gray-200: #f1f5f9;
    --ds-gray-300: #e2e8f0;
    --ds-gray-400: #cbd5e1;
    --ds-gray-500: #94a3b8;
    --ds-gray-600: #55657b;
    --ds-gray-700: #475569;
    --ds-gray-800: #334155;
    --ds-gray-900: #0f172a;

    --ds-success-100: #dcfce7;
    --ds-success-200: #bbf7d0;
    --ds-success-500: #22c55e;
    --ds-success-700: #166534;
    --ds-warning-100: #fffbeb;
    --ds-warning-200: #fde68a;
    --ds-warning-700: #92400e;
    --ds-danger-100: #fee2e2;
    --ds-danger-200: #fca5a5;
    --ds-danger-500: #ef4444;
    --ds-danger-700: #b91c1c;

    --ds-bg: #eef3fb;
    --ds-bg-alt: #e6edf9;
    --ds-surface: #f7faff;
    --ds-surface-elevated: #ffffff;
    --ds-surface-soft: #eaf2ff;
    --ds-border: #c8d7ee;
    --ds-border-strong: #aebfd9;
    --ds-text: var(--ds-gray-900);
    --ds-text-muted: var(--ds-gray-600);

    --ds-radius-sm: 0.5rem;
    --ds-radius-md: 0.75rem;
    --ds-radius-lg: 0.9rem;
    --ds-radius-pill: 999px;

    --ds-shadow-sm: 0 8px 20px rgba(15, 23, 42, 0.08);
    --ds-shadow-md: 0 16px 30px rgba(15, 23, 42, 0.14);
    --ds-gradient-primary: linear-gradient(120deg, var(--ds-primary-500) 0%, var(--ds-primary-400) 100%);
    --ds-gradient-brand: linear-gradient(120deg, var(--ds-primary-500) 0%, var(--ds-purple-500) 100%);

    --bs-font-sans-serif: var(--ds-font-sans);
    --bs-body-font-family: var(--ds-font-sans);
}

html,
body {
    font-family: var(--ds-font-sans);
    background:
        radial-gradient(1200px 600px at 0% -10%, rgba(59, 130, 246, 0.16), transparent 60%),
        radial-gradient(900px 500px at 100% 0%, rgba(168, 85, 247, 0.11), transparent 56%),
        linear-gradient(180deg, var(--ds-bg) 0%, var(--ds-bg-alt) 100%);
    background-attachment: fixed;
    color: var(--ds-text);
    line-height: 1.45;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--ds-text);
    letter-spacing: -0.01em;
}

h1,
.h1 {
    font-weight: 800;
}

h2,
.h2,
h3,
.h3 {
    font-weight: 700;
}

a,
.btn-link {
    color: var(--ds-primary-500);
}

a:hover,
.btn-link:hover {
    color: var(--ds-primary-600);
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.card {
    border-radius: var(--ds-radius-lg);
    border: 1px solid var(--ds-border);
    box-shadow: var(--ds-shadow-sm);
    background: var(--ds-surface-elevated);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

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

.card-header {
    border-bottom: 1px solid var(--ds-border);
    background: var(--ds-surface-soft);
}

.btn {
    border-radius: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    min-height: 2.35rem;
    padding: 0.42rem 0.9rem;
}

.btn-sm {
    min-height: 1.9rem;
    padding: 0.25rem 0.62rem;
}

.btn-primary {
    color: #fff;
    border: none;
    background: var(--ds-gradient-brand);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.24);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    color: #fff;
    filter: brightness(1.03);
}

.btn-outline-primary {
    border-color: var(--ds-primary-200);
    color: var(--ds-primary-500);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus-visible {
    background: #eef2ff;
    border-color: var(--ds-primary-300);
    color: var(--ds-primary-600);
}

.btn-outline-secondary {
    border-color: var(--ds-border-strong);
    color: var(--ds-gray-800);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus-visible {
    background: var(--ds-surface-soft);
    color: #0f172a;
}

.btn-outline-warning {
    border-color: #e7be53;
    color: #8c440d;
}

.btn-outline-warning:hover,
.btn-outline-warning:focus-visible {
    background: #fff7df;
    border-color: #d9a41b;
    color: #6e3308;
}

.btn-outline-danger {
    border-color: var(--ds-danger-200);
    color: var(--ds-danger-700);
}

.btn-outline-danger:hover,
.btn-outline-danger:focus-visible {
    background: #fff1f1;
    border-color: #ef8d8d;
    color: #942020;
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(37, 99, 235, 0.2);
}

.form-control,
.form-select,
textarea.form-control {
    border-radius: var(--ds-radius-md);
    border-color: var(--ds-border);
    min-height: 2.45rem;
    background: var(--ds-surface);
    color: var(--ds-text);
}

.form-control::placeholder,
textarea.form-control::placeholder {
    color: var(--ds-gray-500);
}

.form-label {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--ds-gray-800);
}

.form-text,
.text-muted {
    color: var(--ds-text-muted) !important;
}

.badge {
    border-radius: var(--ds-radius-pill);
    font-weight: 600;
}

.text-bg-primary {
    background-color: var(--ds-primary-100) !important;
    color: var(--ds-primary-600) !important;
}

.text-bg-success {
    background-color: var(--ds-success-100) !important;
    color: var(--ds-success-700) !important;
}

.alert {
    border-radius: var(--ds-radius-md);
    border: 1px solid transparent;
}

.alert-info {
    background: #ecf3ff;
    border-color: var(--ds-primary-200);
    color: var(--ds-primary-700);
}

.alert-warning {
    background: #fff8e6;
    border-color: #f4d58a;
    color: #7f3a0a;
}

.result-surface {
    background: #f0f6ff;
    border-color: var(--ds-border) !important;
    border-radius: var(--ds-radius-md) !important;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--ds-success-500);
}

.invalid {
    outline: 1px solid var(--ds-danger-500);
}

.validation-message {
    color: var(--ds-danger-500);
}

.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;
}

.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;
}