/* Load via <link> in the HTML head:
   Playfair Display, Inter — fonts.googleapis.com
   JetBrains Mono          — fonts.googleapis.com or fonts.bunny.net */

/* ─── Design tokens ──────────────────────────────────────────────── */
:root {
    /* Palette */
    --color-deep-ocean:     #1B2C3E;
    --color-chart-white:    #F5F1EC;
    --color-fog-grey:       #C8D4DC;
    --color-hull-green:     #6CAB8B; /* RAL 6027 ≈ */
    --color-buoy-orange:    #C47240;
    --color-pale-seafoam:   #C5DDD4;
    --color-pale-amber:     #F0D4A6;
    --color-pale-sky:       #D2E2EC;
    --color-text-primary:   #1C2830;
    --color-text-secondary: #5A6E7C;
    --color-text-inverse:   #EEE9E2;
    --color-link:           #3B7AC0;
    --color-code-surface:   #0F1D2B;

    /* Font stacks */
    --font-display: "Playfair Display", Georgia, serif;
    --font-body:    "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
    --font-mono:    "JetBrains Mono", "Fira Code", monospace;

    /* Layout & spacing */
    --width-content:  72rem;
    --width-prose:    68ch;
    --width-card:     22rem;
    --space-section:  clamp(3rem, 8vw, 6.5rem);
    --space-block:    clamp(1.5rem, 4vw, 3rem);
    --space-edge:     clamp(1.25rem, 4vw, 2rem);
    --space-element:     clamp(1.5rem, 4vw, 2rem);

    /* Type scale */
    --type-display:   clamp(2rem, 5vw, 3.5rem);
    --type-h2:        clamp(1.5rem, 3.5vw, 2.25rem);
    --type-h3:        clamp(1.125rem, 2.5vw, 1.5rem);
    --type-body:      clamp(1rem, 1.2vw, 1.0625rem);
    --type-small:     0.8125rem;

    /* Semantic tokens — light mode */
    --surface-page:    var(--color-chart-white);
    --surface-card:    #ffffff;
    --surface-sidebar: var(--color-deep-ocean);
    --surface-code:    var(--color-code-surface);
    --surface-modal:   #ffffff;
    --text-body:       var(--color-text-primary);
    --text-muted:      var(--color-text-secondary);
    --text-on-dark:    var(--color-text-inverse);
    --border-ui:       var(--color-fog-grey);
    --accent-brand:    var(--color-hull-green);
    --accent-action:   var(--color-buoy-orange);
}

/* Dark mode — system preference */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-hull-green:  #8FC9A8;
        --color-buoy-orange: #D4895C;
        --color-fog-grey:    #2A3D50;

        --surface-page:   #0E1C29;
        --surface-card:   #243648;
        --surface-code:   #243648;
        --surface-modal:  #2E4255;
        --text-body:      #E2DDD6;
        --text-muted:     #7A8E9C;
        --border-ui:      #2A3D50;
        --accent-brand:   #8FC9A8;
        --accent-action:  #D4895C;
    }
}

/* Dark mode — manual toggle */
:root[data-theme="dark"] {
    --color-hull-green:  #8FC9A8;
    --color-buoy-orange: #D4895C;
    --color-fog-grey:    #2A3D50;

    --surface-page:   #0E1C29;
    --surface-card:   #243648;
    --surface-code:   #243648;
    --surface-modal:  #2E4255;
    --text-body:      #E2DDD6;
    --text-muted:     #7A8E9C;
    --border-ui:      #2A3D50;
    --accent-brand:   #8FC9A8;
    --accent-action:  #D4895C;
}

/* ─── Base ───────────────────────────────────────────────────────── */
html, body {
    font-family: var(--font-body);
    background-color: var(--surface-page);
    color: var(--text-body);
}

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

.btn-primary {
    color: var(--color-chart-white);
    background-color: var(--accent-action);
    border-color: var(--accent-action);
}

.btn-primary:hover {
    filter: brightness(0.88);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem var(--surface-page), 0 0 0 0.25rem var(--accent-brand);
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

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

.invalid {
    outline: 1px solid #c0392b;
}

.validation-message {
    color: #c0392b;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #8B2020;
    padding: 1rem 1rem 1rem 3.7rem;
    color: var(--color-chart-white);
}

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

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

.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;
}