/*
 * Signup page — scoped, page-specific styles.
 * Only the white form column is styled here; the blue brand column
 * continues to use the shared .auth-brand-col rules in app.css untouched.
 * Server-side validation lives in App\Controllers\Auth::register();
 * this file is presentation only.
 */

.su-card {
    max-width: 720px;
    width: 100%;
    box-sizing: border-box;
    padding: 32px 36px 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.su-header {
    margin: 0 0 22px;
}

.su-header h1 {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    margin-bottom: 8px;
}

.su-header p {
    font-family: var(--font-body);
    font-size: 0.97rem;
}

.su-form {
    width: 100%;
    max-width: 648px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 18px;
    align-items: start;
}

.su-field {
    width: 100%;
    min-width: 0;
    margin-bottom: 0;
}

.su-wide {
    grid-column: 1 / -1;
}

.su-field label {
    display: block;
    margin-bottom: 6px;
    font-family: var(--font-body);
}

.su-field input,
.su-field select {
    width: 100%;
    max-width: none;
    display: block;
    box-sizing: border-box;
    font-family: var(--font-body);
    min-width: 0;
}

.su-field select {
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid #dce3ed;
    border-radius: 10px;
    background: #fff;
    color: #172033;
    font-size: 0.9rem;
}

.su-field input:focus-visible,
.su-field select:focus-visible,
.su-submit-btn:focus-visible {
    outline: 2px solid #16a34a;
    outline-offset: 2px;
}

.su-optional,
.su-field-note {
    color: #536176;
    font-size: 0.82rem;
}

.su-field-note {
    margin: 8px 0 0;
    line-height: 1.5;
}

.su-field input::placeholder {
    font-family: var(--font-body);
}

.su-field-error {
    display: block;
    min-height: 18px;
    margin: 6px 0 0;
    font-size: 0.84rem;
    color: #dc2626;
}

.su-strength {
    display: block;
    min-height: 16px;
    margin: 6px 0 0;
    font-size: 0.82rem;
    font-weight: 600;
}

.su-field-error:empty,
.su-strength:empty {
    display: none;
}

.su-field .password-wrap {
    width: 100%;
}

.su-field .password-wrap input {
    padding-right: 44px;
}

.su-strength.weak {
    color: #dc2626;
}

.su-strength.medium {
    color: #d97706;
}

.su-strength.strong {
    color: #16a34a;
}

.su-terms {
    width: 100%;
    min-width: 0;
    margin: 0;
}

.su-submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-width: 0;
    margin-top: 6px;
    background: #22c55e;
    border-color: #22c55e;
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease, background 0.15s ease;
    box-shadow: 0 10px 22px rgba(34, 197, 94, 0.25);
}

.su-submit-btn:hover:not(:disabled) {
    background: #16a34a;
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(34, 197, 94, 0.32);
}

.su-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.su-btn-spinner {
    display: none;
    width: 15px;
    height: 15px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: su-spin 0.7s linear infinite;
}

.su-submit-btn.is-loading .su-btn-spinner {
    display: inline-block;
}

@keyframes su-spin {
    to {
        transform: rotate(360deg);
    }
}

.su-footer {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid #eef1f6;
    text-align: center;
}

@media (max-width: 860px) {
    .su-card {
        padding: 32px 26px 28px;
    }

    @media (max-width: 580px) {
        .su-form {
            grid-template-columns: minmax(0, 1fr);
        }

        .su-card {
            padding: 26px 20px;
        }
    }
}