/* ====== AUTHENTICATION STYLES ====== */

.nav__auth {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

.nav__signin-btn,
.nav__signup-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius-base);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav__signin-btn {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.nav__signin-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.nav__signup-btn {
    background: var(--color-primary);
    color: var(--color-white);
}

.nav__signup-btn:hover {
    background: var(--color-primary-hover);
}

.nav__user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav__user-email {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.nav__logout-btn {
    padding: 0.5rem 1rem;
    background: var(--color-error);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-base);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav__logout-btn:hover {
    background: var(--color-red-400);
    transform: translateY(-2px);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal__content {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    animation: slideUp 0.3s ease;
    position: relative;
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
}

.modal__close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: color 0.3s ease;
}

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

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    font-family: inherit;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(33, 128, 141, 0.1);
}

.form-group input.valid {
    border-color: var(--color-success);
}

.form-group input.error {
    border-color: var(--color-error);
}

.error-message {
    color: var(--color-error);
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.form-group--checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.form-group--checkbox input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
    cursor: pointer;
}

.form-group--checkbox label {
    margin: 0;
    font-size: 0.8rem;
    cursor: pointer;
}

.form-group--checkbox a {
    color: var(--color-primary);
    text-decoration: none;
}

.form-group--checkbox a:hover {
    text-decoration: underline;
}

.modal__submit {
    width: 100%;
    padding: 0.75rem;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.modal__submit:hover {
    background: var(--color-primary-hover);
    transform: translateY(-2px);
}

.modal__submit:active {
    transform: translateY(0);
}

.modal__toggle-text {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.modal__toggle-link {
    color: var(--color-primary);
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.modal__toggle-link:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* Password visibility toggle */
.password-group {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    font-size: 1rem;
}

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

/* Notification Styles */
.notification {
    position: fixed;
    top: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-base);
    background: var(--color-info);
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 2000;
    opacity: 0;
    animation: slideInRight 0.3s ease forwards;
    max-width: 300px;
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification.show {
    animation: slideInRight 0.3s ease forwards;
}

.notification--success {
    background: var(--color-success);
}

.notification--error {
    background: var(--color-error);
}

.notification--warning {
    background: var(--color-warning);
}

.notification__message {
    margin: 0;
    font-weight: 500;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav__auth {
        gap: 0.5rem;
    }

    .nav__signin-btn,
    .nav__signup-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }

    .nav__user-email {
        font-size: 0.75rem;
    }

    .modal__content {
        max-width: 90%;
        padding: 1.5rem;
    }

    .modal__title {
        font-size: 1.25rem;
    }

    .notification {
        right: 1rem;
        left: 1rem;
        top: auto;
        bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .nav__user-info {
        flex-direction: column;
        gap: 0.5rem;
    }

    .nav__user-email {
        font-size: 0.7rem;
    }

    .modal__content {
        padding: 1.25rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.65rem;
        font-size: 16px;
    }
}