/* ── Tokens ── */
:root {
    /* Surchargé via config (primary_color) */
    --color-primary: #2563eb;
    --color-primary-light: color-mix(in srgb, var(--color-primary) 8%, white);
    --color-primary-soft: color-mix(in srgb, var(--color-primary) 16%, white);
    --color-primary-hover: color-mix(in srgb, var(--color-primary) 88%, black);
    --color-primary-focus: color-mix(in srgb, var(--color-primary) 70%, white);

    --color-text: #0f172a;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;
    --color-text-subtle: #94a3b8;

    --color-bg: #f1f5f9;
    --color-surface: #ffffff;

    --color-border: #e2e8f0;
    --color-input-bg: #f8fafc;

    --color-required: #dc2626;
    --color-error: #dc2626;
    --color-error-bg: #fef2f2;
    --color-error-border: #fecaca;

    --color-success: #15803d;
    --color-success-bg: #f0fdf4;
    --color-success-border: #bbf7d0;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.04), 0 12px 40px rgba(15, 23, 42, 0.08);
    --shadow-btn: 0 2px 8px color-mix(in srgb, var(--color-primary) 30%, transparent);
    --shadow-btn-hover: 0 4px 16px color-mix(in srgb, var(--color-primary) 38%, transparent);
    --shadow-focus: 0 0 0 3px color-mix(in srgb, var(--color-primary) 22%, transparent);

    --transition: 0.2s ease;
}

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

body {
    margin: 0;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

.page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

/* ── Card ── */
.card {
    width: 100%;
    max-width: 620px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.card__hero {
    padding: 2rem 2rem 1.75rem;
    text-align: center;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.card__body {
    padding: 2rem;
}

/* ── Header ── */
.header {
    margin: 0;
}

.logo-link {
    display: inline-block;
    margin-bottom: 1.25rem;
}

.logo-link:hover .logo {
    opacity: 0.85;
}

.logo {
    max-width: 180px;
    max-height: 64px;
    object-fit: contain;
    transition: opacity var(--transition);
}

.header h1 {
    margin: 0 0 0.375rem;
    font-size: 1.625rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--color-text);
}

.header__subtitle {
    margin: 0;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

/* ── Info ── */
.info {
    display: flex;
    gap: 0.875rem;
    margin-bottom: 1.75rem;
    padding: 1rem 1.125rem;
    background: var(--color-primary-light);
    border: 1px solid var(--color-primary-soft);
    border-radius: var(--radius-md);
}

.info__icon {
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    padding-top: 0.125rem;
    color: var(--color-primary);
}

.info__content {
    font-size: 0.9375rem;
    line-height: 1.65;
    color: var(--color-text-secondary);
}

/* ── Alerts ── */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.alert__icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.375rem;
    height: 1.375rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 1;
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.alert-success .alert__icon {
    background: var(--color-success);
    color: #fff;
}

.alert-error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid var(--color-error-border);
}

.alert-error .alert__icon {
    background: var(--color-error);
    color: #fff;
}

.alert-error ul {
    margin: 0;
    padding-left: 1.125rem;
}

/* ── Honeypot ── */
.hp-field {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ── Form sections ── */
.form {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.form-section {
    margin: 0;
    padding: 0;
    border: none;
    min-width: 0;
}

.form-section__title {
    display: block;
    width: 100%;
    margin: 0 0 1rem;
    padding: 0 0 0.625rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary-soft);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.875rem;
    margin-bottom: 0.875rem;
}

.form-row .field {
    margin-bottom: 0;
}

.form .field {
    margin-bottom: 0.875rem;
}

.form .field:last-child {
    margin-bottom: 0;
}

.form label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.required {
    color: var(--color-required);
}

.optional {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--color-text-muted);
}

.field--checkbox {
    margin-bottom: 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0;
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    margin: 0.125rem 0 0;
    flex-shrink: 0;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.field--error .checkbox-label input[type="checkbox"] {
    outline: 2px solid var(--color-required);
    outline-offset: 1px;
}

.form input[type="text"],
.form input[type="email"],
.form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-text);
    background: var(--color-input-bg);
    transition:
        border-color var(--transition),
        box-shadow var(--transition),
        background-color var(--transition);
}

.form input::placeholder,
.form textarea::placeholder {
    color: var(--color-text-subtle);
}

.form input:hover:not(:focus),
.form textarea:hover:not(:focus) {
    background: #f1f5f9;
}

.form input:focus,
.form textarea:focus {
    outline: none;
    background: var(--color-surface);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.field--error input,
.field--error textarea {
    border-color: var(--color-error);
    background: var(--color-error-bg);
}

.field--error input:focus,
.field--error textarea:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.field-error {
    margin: 0.375rem 0 0;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-error);
}

.form textarea {
    resize: vertical;
    min-height: 148px;
    line-height: 1.55;
}

/* ── Form actions ── */
.form-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
    padding-top: 0.25rem;
}

.hint {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.9375rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    color: #fff;
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    box-shadow: var(--shadow-btn);
    transition:
        transform 0.15s ease,
        background-color var(--transition),
        box-shadow var(--transition);
}

.btn__icon {
    transition: transform var(--transition);
}

.btn:hover {
    background: var(--color-primary-hover);
    box-shadow: var(--shadow-btn-hover);
}

.btn:hover .btn__icon {
    transform: translate(3px, -3px);
}

.btn:active {
    transform: scale(0.985);
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus), var(--shadow-btn);
}

/* ── Footer ── */
.footer {
    margin-top: 1.75rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition);
}

.back-link:hover {
    color: var(--color-primary-hover);
}

.back-link svg {
    transition: transform var(--transition);
}

.back-link:hover svg {
    transform: translateX(-3px);
}

/* ── Responsive ── */
@media (max-width: 540px) {
    .page {
        padding: 0;
        align-items: stretch;
    }

    .card {
        max-width: none;
        min-height: 100vh;
        border-radius: 0;
        border-left: none;
        border-right: none;
        box-shadow: none;
    }

    .card__hero {
        padding: 1.75rem 1.25rem 1.5rem;
    }

    .card__body {
        padding: 1.5rem 1.25rem 2rem;
    }

    .header h1 {
        font-size: 1.375rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
        margin-bottom: 0;
    }

    .form-row .field {
        margin-bottom: 0.875rem;
    }
}