body.page-auth-register {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--bg-primary) 88%, var(--color-deep-navy) 12%),
        color-mix(in srgb, var(--color-deep-navy) 88%, var(--accent-info) 12%)
    );
}

.auth-container {
    max-width: 480px;
    width: 100%;
    background: color-mix(in srgb, var(--glass-bg) 88%, var(--bg-card) 12%);
    border: 1px solid color-mix(in srgb, var(--glass-border) 88%, transparent);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo img {
    width: 120px;
    height: auto;
    margin-bottom: 1rem;
}

.auth-logo h1 {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-info));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.auth-logo p,
.auth-links,
.pw-rules li,
.form-control::placeholder {
    color: var(--text-secondary);
}

.form-group { margin-bottom: 1.5rem; }

.form-group label {
    display: block;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 1rem;
    background: color-mix(in srgb, var(--bg-secondary) 34%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent-primary) 24%, transparent);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: color-mix(in srgb, var(--accent-info) 44%, transparent);
    background: color-mix(in srgb, var(--bg-secondary) 46%, transparent);
    box-shadow: 0 0 20px color-mix(in srgb, var(--accent-info) 18%, transparent);
}

.password-toggle {
    position: relative;
}

.password-toggle button {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--accent-primary);
    cursor: pointer;
    font-size: 1.1rem;
    transition: color var(--transition-base);
}

.password-toggle button:hover { color: var(--accent-info); }

.password-strength {
    margin-top: 0.5rem;
    height: 4px;
    background: color-mix(in srgb, var(--bg-secondary) 45%, transparent);
    border-radius: 2px;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    width: 0%;
    transition: all var(--transition-base);
}

.password-strength-weak { width: 33%; background: var(--accent-warning); }
.password-strength-medium { width: 66%; background: var(--accent-primary); }
.password-strength-strong { width: 100%; background: var(--accent-info); }

.terms {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.terms input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    margin-top: 2px;
    accent-color: var(--accent-primary);
}

.terms a,
.auth-links a,
.field-feedback.is-ok,
.pw-rules li.pass {
    color: var(--accent-info);
}

.terms a:hover,
.auth-links a:hover { color: var(--accent-primary); }

.btn-register {
    width: 100%;
    padding: 1.2rem;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-warning));
    border: none;
    border-radius: 12px;
    color: var(--bg-primary);
    font-family: var(--font-subheading);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px color-mix(in srgb, var(--accent-primary) 26%, transparent);
}

.btn-register:active { transform: translateY(0); }
.btn-register:disabled { opacity: 0.5; cursor: not-allowed; }

.divider {
    display: flex;
    align-items: center;
    margin: 2rem 0;
    color: var(--text-secondary);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent-primary) 32%, transparent), transparent);
}

.divider span {
    padding: 0 1rem;
    font-size: 0.9rem;
}

.auth-links {
    text-align: center;
}

.auth-links a {
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-base);
}

.alert {
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    display: none;
}

.alert.is-visible { display: block; }

.alert-error,
.field-feedback.is-err,
.terms.has-error span {
    color: var(--accent-warning);
}

.alert-error {
    background: color-mix(in srgb, var(--accent-warning) 18%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent-warning) 36%, transparent);
}

.alert-success {
    background: color-mix(in srgb, var(--accent-info) 18%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent-info) 36%, transparent);
    color: var(--accent-info);
}

.field-feedback {
    font-size: 0.8rem;
    margin-top: 0.35rem;
    min-height: 1.1em;
    transition: color var(--transition-base);
}

.form-control.valid { border-color: color-mix(in srgb, var(--accent-info) 48%, transparent); }
.form-control.invalid { border-color: color-mix(in srgb, var(--accent-warning) 48%, transparent); }

.pw-rules {
    list-style: none;
    margin-top: 0.5rem;
    padding: 0;
}

.pw-rules li {
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    line-height: 1.7;
    transition: color var(--transition-base);
}

.pw-rules li .icon {
    width: 14px;
    text-align: center;
}

[data-theme="light"] body.page-auth-register {
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--bg-primary) 88%, var(--bg-secondary) 12%),
        color-mix(in srgb, var(--bg-secondary) 82%, var(--accent-primary) 18%)
    );
}

@media (max-width: 568px) {
    .auth-container { padding: 2rem 1.5rem; }
    .auth-logo h1 { font-size: 2rem; }
}