.auth-container {
    min-height: calc(100vh - 150px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    margin-top: 60px;
}

.auth-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.auth-box h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.auth-subtitle {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.auth-form {
    text-align: left;
}

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

.form-group.horizontal {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 1rem;
    color: var(--text-light);
}

.input-group input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 2px solid #e5e7eb;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: all 0.2s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.toggle-password {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 0;
}

.toggle-password:hover {
    color: var(--text-color);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 0.5rem;
    cursor: pointer;
}

.checkbox-text {
    color: var(--text-color);
    font-size: 0.9rem;
}

.forgot-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

.forgot-link:hover {
    text-decoration: underline;
}

.auth-button {
    width: 100%;
    padding: 0.875rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.auth-button:hover {
    background: var(--primary-dark);
}

.auth-separator {
    position: relative;
    text-align: center;
    margin: 1.5rem 0;
}

.auth-separator::before,
.auth-separator::after {
    content: "";
    position: absolute;
    top: 50%;
    width: calc(50% - 1rem);
    height: 1px;
    background: #e5e7eb;
}

.auth-separator::before {
    left: 0;
}

.auth-separator::after {
    right: 0;
}

.auth-separator span {
    background: var(--white);
    padding: 0 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.auth-alternate {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
}

.auth-alternate span {
    color: var(--primary-color);
    font-weight: 500;
}

.auth-alternate:hover span {
    text-decoration: underline;
}

.flash-message {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem 2rem;
    border-radius: var(--radius-sm);
    background: var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    animation: slideDown 0.3s ease-out;
}

.flash-message.error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid #dc2626;
}

.flash-message.success {
    background: #dcfce7;
    color: #166534;
    border-left: 4px solid #16a34a;
}

@keyframes slideDown {
    from {
        transform: translate(-50%, -100%);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

@media (max-width: 640px) {
    .auth-container {
        padding: 1rem;
    }

    .auth-box {
        padding: 1.5rem;
    }

    .form-group.horizontal {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}