.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 24px;
    background: var(--bg);
    background-image: linear-gradient(135deg, var(--bg) 0%, rgba(79, 70, 229, 0.03) 100%);
    position: relative;
    overflow: hidden;
    z-index: 0;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    padding: 48px;
    border-radius: 28px;
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-l3);
    animation: authIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    z-index: 1;
}

[data-theme="dark"] .auth-card {
    background: var(--card);
}

@keyframes authIn {
    from { opacity: 0; transform: scale(0.9) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.auth-header {
    text-align: center;
    margin-bottom: 40px;
}

.auth-header h1 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    padding-left: 2px;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    box-sizing: border-box;
    font-family: inherit;
    font-size: 14px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-group input::placeholder, .form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--card);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.auth-footer {
    text-align: center;
    margin-top: 32px;
    font-size: 14px;
    opacity: 0.8;
}

.auth-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
}

.auth-footer a:hover {
    text-decoration: underline;
    opacity: 1;
}