:root {
    --bg: #f7f8fa;
    --bg-soft: #fbfbf9;
    --surface: #ffffff;
    --surface-muted: #f2f4f7;

    --text: #101217;
    --text-soft: #4b5563;
    --text-muted: #7a8190;

    --border: #e5e7eb;
    --border-soft: #eef0f3;

    --primary: #155eef;
    --primary-hover: #004eeb;
    --primary-soft: #eaf1ff;

    --success: #0f9f6e;
    --warning: #f59e0b;
    --danger: #ef4444;

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --shadow-sm: 0 1px 2px rgba(16, 18, 23, 0.06);
    --shadow-md: 0 12px 30px rgba(16, 18, 23, 0.08);
    --shadow-lg: 0 28px 80px rgba(16, 18, 23, 0.12);

    /* Legacy aliases (scoped components + landing) */
    --toquely-navy: var(--text);
    --toquely-blue: var(--primary);
    --toquely-teal: #11c6a4;
    --toquely-green: #0f9f6e;
    --color-bg: var(--bg);
    --color-surface: var(--surface);
    --color-border: var(--border);
    --color-text: var(--text);
    --color-muted: var(--text-muted);
    --color-primary: var(--primary);
    --color-secondary: var(--toquely-teal);
    --color-success: var(--success);
    --color-warning: var(--warning);
    --color-danger: var(--danger);
    --shadow-soft: var(--shadow-sm);
    --shadow-card: var(--shadow-md);
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;

    /* Responsive breakpoints (reference values) */
    --bp-desktop: 1024px;
    --bp-tablet: 768px;
    --bp-mobile: 640px;
    --touch-target-min: 2.75rem;
    --btn-radius: var(--radius-sm);
    --btn-height: 2.5rem;
    --btn-height-lg: 2.75rem;

    /* Bootstrap alignment */
    --bs-body-bg: var(--bg);
    --bs-body-color: var(--text);
    --bs-primary: var(--primary);
    --bs-primary-rgb: 21, 94, 239;
    --bs-secondary-color: var(--text-muted);
    --bs-border-color: var(--border);
    --bs-border-radius: var(--radius-sm);
    --bs-border-radius-lg: var(--radius-md);
    --bs-border-radius-xl: var(--radius-lg);
    --bs-link-color: var(--primary);
    --bs-link-hover-color: var(--primary-hover);
}

html,
body {
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: clip;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

a,
.btn-link {
    color: var(--primary);
    text-decoration: none;
}

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

h1,
h2,
h3,
h4 {
    color: var(--text);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(1.5rem, 2.2vw, 2rem);
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: clamp(1.15rem, 1.6vw, 1.35rem);
    font-weight: 650;
    line-height: 1.3;
}

h3 {
    font-size: 1.05rem;
    font-weight: 650;
}

p,
.text-muted {
    color: var(--text-soft);
}

small,
.small {
    color: var(--text-muted);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    border-radius: var(--btn-radius);
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    line-height: 1.2;
    min-height: var(--btn-height);
    transition:
        background-color 0.15s ease,
        border-color 0.15s ease,
        color 0.15s ease,
        box-shadow 0.15s ease;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8125rem;
    min-height: 2rem;
}

.btn-lg {
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    min-height: var(--btn-height-lg);
}

.btn-primary {
    color: #fff;
    background-color: var(--primary);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

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

.btn-outline-primary {
    color: var(--primary);
    border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
    background: var(--surface);
}

.btn-outline-primary:hover {
    color: var(--primary-hover);
    background: var(--primary-soft);
    border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
}

.btn-outline-secondary {
    color: var(--text-soft);
    border-color: var(--border);
    background: var(--surface);
}

.btn-outline-secondary:hover {
    color: var(--text);
    background: var(--surface-muted);
    border-color: color-mix(in srgb, var(--text-muted) 40%, var(--border));
}

.btn-outline-danger {
    color: var(--danger);
    border-color: color-mix(in srgb, var(--danger) 35%, var(--border));
    background: var(--surface);
}

.btn-outline-danger:hover {
    background: color-mix(in srgb, var(--danger) 8%, white);
}

.btn:focus-visible,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 22%, transparent);
    border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
}

.card,
.table,
.alert,
.list-group-item {
    border-color: var(--border-soft) !important;
}

.card {
    background: var(--surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-soft);
}

.card-body {
    padding: 1.25rem;
}

.table {
    background: var(--surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-sm);
    margin-bottom: 0;
}

.table > :not(caption) > * > * {
    padding: 0.85rem 1rem;
    border-bottom-color: var(--border-soft);
    color: var(--text);
}

.table thead th {
    background: var(--surface-muted);
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 650;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: color-mix(in srgb, var(--bg) 55%, var(--surface));
}

.table-hover > tbody > tr:hover > * {
    background-color: var(--primary-soft);
}

.alert {
    border-radius: var(--radius-md);
    border-width: 1px;
    box-shadow: var(--shadow-sm);
}

.alert-info {
    background: var(--primary-soft);
    border-color: color-mix(in srgb, var(--primary) 25%, var(--border));
    color: color-mix(in srgb, var(--primary-hover) 85%, var(--text));
}

.alert-success {
    background: color-mix(in srgb, var(--success) 10%, white);
    border-color: color-mix(in srgb, var(--success) 30%, var(--border));
    color: color-mix(in srgb, var(--success) 70%, var(--text));
}

.alert-warning {
    background: color-mix(in srgb, var(--warning) 12%, white);
    border-color: color-mix(in srgb, var(--warning) 35%, var(--border));
    color: color-mix(in srgb, var(--warning) 65%, var(--text));
}

.alert-danger {
    background: color-mix(in srgb, var(--danger) 8%, white);
    border-color: color-mix(in srgb, var(--danger) 30%, var(--border));
    color: color-mix(in srgb, var(--danger) 70%, var(--text));
}

.form-control,
.form-select,
.input-group-text {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    padding: 0.55rem 0.85rem;
    font-size: 0.9375rem;
    min-height: 2.75rem;
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--text-soft);
    margin-bottom: 0.35rem;
}

.form-check-input {
    border-color: var(--border);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.list-group-item {
    background: var(--surface);
    padding: 0.85rem 1rem;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--text-muted) 45%, var(--border));
    border-radius: 999px;
    border: 2px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--primary) 35%, transparent);
    outline-offset: 2px;
}

h1:focus {
    outline: none;
}

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

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

.validation-message {
    color: var(--danger);
    font-size: 0.8125rem;
}

.blazor-error-boundary {
    background: var(--danger);
    border-radius: var(--radius-md);
    padding: 1rem;
    color: white;
    box-shadow: var(--shadow-md);
}

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

.darker-border-checkbox.form-check-input {
    border-color: var(--text-muted);
}

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

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

.external-login-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.external-login-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.external-login-button:hover {
    border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.external-login-button:active {
    transform: translateY(0);
}

.external-login-button__logo {
    display: block;
    width: 1.5rem;
    height: 1.5rem;
}

.external-login-button__fallback {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
}

/* App shell pages — forms & actions on small screens */
@media (max-width: 640px) {
    .app-shell__body .btn:not(.btn-sm):not(.btn-link) {
        min-height: var(--touch-target-min);
    }

    .app-shell__body .d-flex.gap-2,
    .app-shell__body .d-flex.gap-3 {
        flex-wrap: wrap;
    }

    .app-shell__body .page-header-actions {
        width: 100%;
        flex-direction: column;
    }

    .app-shell__body .page-header-actions .btn {
        width: 100%;
    }

    .account-page {
        padding-inline: 0.25rem;
    }
}