/**
 * ambulance/assets/css/auth.css
 *
 * Phase 10 — Staff login page styles. Extends the shared auth shell from
 * layout.css with the top bar, error banner, password field control and
 * submit spinner. Uses only theme tokens so light/dark both work.
 */

.amb-auth {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: var(--space-24);
    padding: var(--space-24);
}

.amb-auth__top {
    width: min(960px, 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-16);
}

.amb-auth__brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-12);
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 600;
}

.amb-auth__logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-8);
    object-fit: cover;
}

.amb-auth__logo--fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-100);
    color: var(--color-primary-text);
}

.amb-auth__brand-name { font-size: 16px; }

.amb-auth__tools {
    display: inline-flex;
    align-items: center;
    gap: var(--space-8);
}

.amb-auth__main {
    width: min(440px, 100%);
    margin-top: clamp(24px, 8vh, 96px);
}

.amb-auth__title {
    margin: 0 0 var(--space-8);
    font-size: 24px;
    line-height: 1.25;
}

.amb-auth__subtitle {
    margin: 0 0 var(--space-24);
    color: var(--color-text-secondary);
    font-size: 14px;
}

.amb-auth-banner {
    display: flex;
    align-items: flex-start;
    gap: var(--space-8);
    padding: var(--space-12) var(--space-16);
    margin-bottom: var(--space-16);
    border: 1px solid var(--color-error-500);
    background: var(--color-error-100);
    border-radius: var(--radius-8);
    color: var(--color-error-text, var(--color-error-500));
    font-size: 14px;
}

.amb-field__control {
    position: relative;
    display: flex;
    align-items: center;
}

.amb-field__control .amb-input { width: 100%; padding-right: 44px; }

.amb-field__toggle {
    position: absolute;
    right: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 0;
    border-radius: var(--radius-8);
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.amb-field__toggle:hover { background: var(--color-bg-subtle); }

.amb-auth__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.amb-spinner {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: #fff;
    animation: amb-spin 0.7s linear infinite;
}

.amb-spinner[hidden] { display: none; }

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

.amb-auth__back {
    display: inline-block;
    margin-top: var(--space-24);
    color: var(--color-text-secondary);
    font-size: 13px;
    text-decoration: none;
}

.amb-auth__back:hover { color: var(--color-link); }

@media (prefers-reduced-motion: reduce) {
    .amb-spinner { animation-duration: 1.6s; }
}

.amb-auth-progress {
    display: flex;
    justify-content: center;
    padding: var(--space-16) 0;
}

.amb-auth-progress .amb-spinner {
    width: 28px;
    height: 28px;
    border-color: var(--color-border-soft);
    border-top-color: var(--color-primary-500);
}