/* صفحه احراز هویت - ورود و ثبت‌نام */

.auth-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-card {
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    width: 100%;
    overflow: hidden;
}

/* تب‌های ورود/ثبت‌نام */
.auth-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
}

.auth-tab {
    flex: 1;
    padding: 1.25rem;
    background: transparent;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.auth-tab:hover {
    color: var(--text-color);
    background: var(--hover-bg);
}

.auth-tab.active {
    color: var(--primary-color);
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

/* فرم‌ها */
.auth-form {
    display: none;
    padding: 2.5rem;
    animation: fadeIn 0.3s ease;
}

.auth-form.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-form h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

/* فیلدهای فرم */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="password"] {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--input-bg);
    color: var(--text-color);
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(240, 0, 0, 0.1);
}

.form-group small {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* چک‌باکس */
.checkbox-group {
    margin-bottom: 1.75rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
}

.checkbox-group input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    margin-left: 0.625rem;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* دکمه‌ها */
.btn-primary,
.btn-secondary {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    margin-bottom: 1rem;
}

.btn-primary:hover {
    background: #d90000;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(240, 0, 0, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* پیام‌ها */
.auth-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.95rem;
    display: none;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-message.show {
    display: block;
}

.auth-message.success {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.auth-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* نمایش شماره تلفن */
#verifyPhoneDisplay {
    font-weight: 700;
    color: var(--primary-color);
}

/* حالت تاریک */
[data-theme="dark"] .auth-card {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .form-group input {
    background: var(--card-bg-darker);
}

/* موبایل */
@media (max-width: 576px) {
    .auth-card {
        border-radius: 12px;
        margin: 1rem;
    }

    .auth-form {
        padding: 1.5rem;
    }

    .auth-form h2 {
        font-size: 1.5rem;
    }

    .auth-tab {
        padding: 1rem;
        font-size: 1rem;
    }
}