:root {
    --page-bg: color-mix(in srgb, var(--navbar-bg) 30%, white 70%);
    --card-bg: var(--navbar-bg);
    --text-color: var(--navbar-text);
    --accent-color: var(--navbar-button);

    --accent-hover: color-mix(
        in srgb,
        var(--accent-color) 85%,
        white 15%
    );

    --accent-active: color-mix(
        in srgb,
        var(--accent-color) 85%,
        black 15%
    );
}

body {
    background: var(--page-bg);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    color: var(--text-color);
}

.login-hero {
    position: fixed;
    inset: 0;
    z-index: -1;
}

.login-hero-bg {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: brightness(0.65);
}

.auth-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 40px;
    width: 100%;
    max-width: 460px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.25);
}

.auth-header {
    text-align: center;
    margin-bottom: 28px;
}

.auth-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 12px;
}

.auth-logo-img {
    max-width: 220px;
    max-height: 80px;
    object-fit: contain;
}

.auth-logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-color);
}

#authSubtitle {
    color: color-mix(in srgb, var(--text-color) 75%, transparent);
}

.text-muted,
.small,
.x-small {
    color: color-mix(in srgb, var(--text-color) 70%, transparent) !important;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: color-mix(in srgb, var(--text-color) 80%, transparent);
}

.form-control {
    background: white;
    border: 1px solid color-mix(in srgb, var(--text-color) 20%, transparent);
    border-radius: 12px;
    color: var(--text-color) !important;
    padding: 12px 15px;
}

.form-control::placeholder {
    color: color-mix(in srgb, black 60%, transparent);
}

.form-control:focus {
    background: color-mix(in srgb, var(--card-bg) 5%, white);
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px color-mix(
        in srgb,
        var(--accent-color) 35%,
        transparent
    );
}

.btn-auth {
    background: color-mix(in srgb, var(--accent-color) 95%, black);
    color: var(--text-color);
    border: none;
    border-radius: 14px;
    padding: 12px;
    font-weight: 600;
    width: 100%;
    margin-top: 20px;
    transition: background-color 0.2s ease, transform 0.2s ease;
    box-shadow: 0 6px 18px color-mix(
        in srgb,
        var(--text-color); 35%,
        transparent
    );
}

.btn-auth:hover {
    background: color-mix(in srgb, var(--accent-color) 90%, black 10%);
}

.divider {
    display: flex;
    align-items: center;
    margin: 28px 0;
    color: color-mix(in srgb, var(--text-color) 60%, transparent);
}

.divider::before,
.divider::after {
    content: "";
    flex: 1;
    border-bottom: 1px solid color-mix(
        in srgb,
        var(--text-color) 30%,
        transparent
    );
}

.divider span {
    padding: 0 12px;
    font-size: 0.8rem;
}

.guest-btn {
    color: var(--text-color) !important;
}

.toggle-link {
    color: var(--text-color) !important;
    font-weight: 600;
    text-decoration: none;
}

.toggle-link:hover {
    text-decoration: underline;
    filter: brightness(1.1);
}