/* Authentication Layout Styles */

@font-face {
    font-family: 'Nexa Bold';
    src: url('/fonts/NexaBold.woff2') format('woff2'),
         url('/fonts/NexaBold.woff') format('woff');
    font-style: normal;
    font-weight: 700;
    font-display: swap;
}

:root {
    --font-helvetica-stack: 'Helvetica Neue', Helvetica, Arial, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-nexa-stack: 'Nexa Bold', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body {
    font-family: var(--font-helvetica-stack);
    background: radial-gradient(
        circle at top,
        var(--color-bg-gradient-start, #f3f4f6),
        var(--color-bg-gradient-end, #e5e7eb)
    );
    min-height: 100vh;
    color: var(--color-text-primary, #1f2937);
}

h1, h2, h3, h4, h5, h6,
.auth-heading {
    font-family: var(--font-nexa-stack);
    font-weight: 700;
}

.letter-spacing-1 {
    letter-spacing: 0.08em;
}

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

.auth-card {
    background: var(--color-card-bg, #ffffff);
    border-radius: 1.15rem;
    box-shadow:
        0 20px 45px var(--color-card-shadow-strong, rgba(15, 23, 42, 0.25)),
        0 2px 8px var(--color-card-shadow-soft, rgba(15, 23, 42, 0.08));
    width: 100%;
    max-width: 450px;
    overflow: hidden;
    position: relative;
}

.auth-card__header {
    padding: 2.5rem 2.5rem 1rem;
    text-align: center;
}

.auth-card__body {
    padding: 0 2.5rem 2rem;
}

.auth-card__footer {
    padding: 1.25rem 2.5rem 2.5rem;
    background: var(--color-card-footer-bg, #f9fafb);
    font-size: 0.95rem;
    text-align: center;
}

@keyframes spin {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
    cursor: not-allowed;
    opacity: 0.7;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.25rem;
    height: 1.25rem;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: block;
}

@media (max-width: 576px) {
    .auth-card {
        border-radius: 0.75rem;
    }
    .auth-card__header,
    .auth-card__body,
    .auth-card__footer {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}