:root {
    --aa-primary: #0d6efd;
    --aa-primary-dark: #0a58ca;
    --aa-radius: 1rem;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

.card {
    border-radius: var(--aa-radius);
    transition: transform .15s ease, box-shadow .15s ease;
}

.btn {
    border-radius: .6rem;
}

.rounded-4 {
    border-radius: var(--aa-radius) !important;
}

/* ============================================================
   Shared auth UX helpers (register/login modal + standalone
   auth pages). Kept in app.css since both layouts load it.
   ============================================================ */

/* ---- Loading spinner shown inside a disabled submit button ---- */
.auth-spinner {
    display: inline-block;
    width: 0.9em;
    height: 0.9em;
    margin-right: 0.5em;
    vertical-align: -0.15em;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: auth-spin 0.7s linear infinite;
}

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

button[disabled] {
    cursor: not-allowed;
    opacity: 0.85;
}

/* ---- Alerts: allow the bulleted, multi-line friendly messages
   AuthController now sends back (e.g. password requirements list) ---- */
.auth-modal-alert,
.auth-alert {
    white-space: pre-line;
}

/* ---- Required-field marker ---- */
.auth-modal-required {
    color: #c0392b;
}

/* ---- Live per-field availability status ("Checking email...", etc.) ---- */
.auth-field-status {
    display: block;
    font-size: 0.775rem;
    margin-top: 0.3rem;
    min-height: 1em;
}

.auth-field-status.is-checking { color: #94a3b8; }
.auth-field-status.is-available { color: #1e7e34; }
.auth-field-status.is-taken { color: #c0392b; }

/* ---- Per-field validation error text ---- */
.auth-field-error {
    font-size: 0.775rem;
    color: #c0392b;
    margin-top: 0.3rem;
    white-space: pre-line;
}

.auth-field-error:empty { display: none; }

/* ---- Password requirements checklist ---- */
.auth-password-requirements {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.2rem 0.75rem;
}

.auth-password-requirements li {
    font-size: 0.75rem;
    color: #94a3b8;
    position: relative;
    padding-left: 1.1rem;
}

.auth-password-requirements li::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 0.05rem;
    font-size: 0.65rem;
    color: #cbd5e1;
}

.auth-password-requirements li.is-met {
    color: #1e7e34;
}

.auth-password-requirements li.is-met::before {
    color: #1e7e34;
}

/* ---- Accessibility: visible focus outline for keyboard users on
   interactive auth elements (buttons, checkboxes, links) beyond the
   input :focus box-shadow already defined per layout ---- */
.auth-modal-btn:focus-visible,
.auth-btn:focus-visible,
.auth-modal-toggle-pw:focus-visible,
.form-check-input:focus-visible {
    outline: 3px solid rgba(30, 77, 140, 0.5);
    outline-offset: 2px;
}

/* ---- Larger touch targets on small screens ---- */
@media (max-width: 480px) {
    .auth-modal-btn,
    .auth-btn,
    .auth-modal-input,
    .auth-input,
    input.form-check-input {
        min-height: 44px;
    }

    input.form-check-input {
        width: 1.15em;
        height: 1.15em;
    }
}