/* ============================================================================
   AUTH PAGES - UNIFIED STYLES
   Цветовая схема: Черный (#000000), Оранжевый (#FF6B35), Серый (#6C757D)
   ============================================================================ */

/* CSS Variables для единообразия */
:root {
    --color-black: #000000;
    --color-orange: #FF6B35;
    --color-orange-hover: #E55A2B;
    --color-gray: #6C757D;
    --color-gray-light: #F8F9FA;
    --color-gray-border: #DEE2E6;
    --color-white: #FFFFFF;
    --color-error: #DC3545;
    --color-success: #28A745;
    
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --border-radius: 12px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

/* ============================================================================
   ОСНОВНЫЕ СТИЛИ СТРАНИЦЫ
   ============================================================================ */

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, var(--color-gray-light) 0%, #E9ECEF 100%);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* ============================================================================
   КОНТЕЙНЕР АУТЕНТИФИКАЦИИ
   ============================================================================ */

.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-wrapper {
    width: 100%;
    max-width: 450px;
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2.5rem 2rem;
    position: relative;
}

/* ============================================================================
   ЛОГОТИП И ЗАГОЛОВКИ
   ============================================================================ */

.auth-logo {
    max-width: 80px;
    height: auto;
    margin: 0 auto 1.5rem;
    display: block;
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-black);
    text-align: center;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.auth-title .brand {
    color: var(--color-black);
    font-weight: 700;
}

.auth-title .by {
    color: var(--color-gray);
    font-weight: 400;
    font-size: 0.9em;
}

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

/* ============================================================================
   ФОРМЫ И ПОЛЯ ВВОДА
   ============================================================================ */

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

.form-label {
    color: var(--color-black);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.form-control {
    border: 2px solid var(--color-gray-border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--color-white);
}

.form-control:focus {
    border-color: var(--color-orange);
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
    outline: none;
}

.form-control::placeholder {
    color: var(--color-gray);
    opacity: 0.7;
}

/* ============================================================================
   КНОПКИ
   ============================================================================ */

.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--color-orange-hover);
    border-color: var(--color-orange-hover);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

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

.btn-outline:hover {
    background: var(--color-orange);
    color: var(--color-white);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: #5A6268;
    border-color: #5A6268;
    color: var(--color-white);
}

.btn-block {
    width: 100%;
    display: block;
}

/* ============================================================================
   СОЦИАЛЬНЫЕ КНОПКИ
   ============================================================================ */

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    margin-bottom: 0.75rem;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: var(--transition);
    text-decoration: none;
}

.btn-social i {
    font-size: 1.25rem;
    margin-right: 0.75rem;
}

/* Google кнопка */
.btn-google {
    background-color: transparent !important;
    color: #000000 !important;
    border: 2px solid #4285f4 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    width: 100%;
    margin-bottom: 10px;
}

.btn-google:hover {
    background-color: rgba(66, 133, 244, 0.1) !important;
    color: #000000 !important;
    border-color: #3367d6 !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(66, 133, 244, 0.2);
}

/* Google иконка */
.google-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.google-icon path:nth-child(1) {
    fill: #4285f4;
}

.google-icon path:nth-child(2) {
    fill: #34a853;
}

.google-icon path:nth-child(3) {
    fill: #fbbc05;
}

.google-icon path:nth-child(4) {
    fill: #ea4335;
}

/* Telegram кнопка */
.btn-telegram {
    background-color: transparent !important;
    color: #000000 !important;
    border: 2px solid #FF6B35 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    width: 100%;
    margin-bottom: 10px;
}

.btn-telegram:hover {
    background-color: rgba(255, 107, 53, 0.1) !important;
    color: #000000 !important;
    border-color: #E55A2B !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(255, 107, 53, 0.2);
}

/* Telegram иконка */
.telegram-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.telegram-icon path {
    fill: #0088cc;
}

.btn-telegram.disabled {
    background: #A0D4E8;
    border-color: #A0D4E8;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ============================================================================
   РАЗДЕЛИТЕЛИ И ДОПОЛНИТЕЛЬНЫЕ ЭЛЕМЕНТЫ
   ============================================================================ */

.auth-divider {
    text-align: center;
    margin: 1.5rem 0;
    font-size: 0.875rem;
    color: var(--color-gray);
    position: relative;
}

.auth-divider span {
    background: var(--color-white);
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--color-gray-border);
    z-index: 0;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--color-gray);
}

.auth-footer a {
    color: var(--color-orange);
    text-decoration: none;
    font-weight: 600;
}

.auth-footer a:hover {
    color: var(--color-orange-hover);
    text-decoration: underline;
}

/* ============================================================================
   ЧЕКБОКСЫ И ДОПОЛНИТЕЛЬНЫЕ ЭЛЕМЕНТЫ
   ============================================================================ */

.form-check-input:checked {
    background-color: var(--color-orange);
    border-color: var(--color-orange);
}

.form-check-input:focus {
    border-color: var(--color-orange);
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.25);
}

.form-check-label {
    color: var(--color-gray);
    font-size: 0.9rem;
}

.form-check-label a {
    color: var(--color-orange);
    text-decoration: none;
}

.form-check-label a:hover {
    text-decoration: underline;
}

/* ============================================================================
   ССЫЛКИ И ТЕКСТ
   ============================================================================ */

.auth-link {
    color: var(--color-orange);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.auth-link:hover {
    color: var(--color-orange-hover);
    text-decoration: underline;
}

.text-muted {
    color: var(--color-gray) !important;
}

/* ============================================================================
   АДАПТИВНОСТЬ
   ============================================================================ */

@media (max-width: 576px) {
    .auth-wrapper {
        padding: 2rem 1.5rem;
        margin: 10px;
    }
    
    .auth-title {
        font-size: 1.5rem;
    }
    
    .auth-logo {
        max-width: 60px;
    }
}

/* ============================================================================
   АНИМАЦИИ И ЭФФЕКТЫ
   ============================================================================ */

.auth-wrapper {
    animation: fadeInUp 0.6s ease-out;
}

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

/* ============================================================================
   СООБЩЕНИЯ ОБ ОШИБКАХ И УСПЕХЕ
   ============================================================================ */

.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--color-error);
    border-left: 4px solid var(--color-error);
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--color-success);
    border-left: 4px solid var(--color-success);
}

/* ============================================================================
   СТИЛИ ДЛЯ МОДАЛЬНОГО ОКНА ВЫБОРА ЯЗЫКОВ
   ============================================================================ */

/* Отключение backdrop для модального окна */
.modal-backdrop {
    display: none !important;
}

/* Отключение стандартного backdrop Bootstrap */
.modal-backdrop.show {
    opacity: 0 !important;
    background: transparent !important;
}

/* Стили для кнопок в модальном окне языков */
.modal .btn-outline-primary {
    border: 1px solid #ff7a29 !important;
    color: #0d6efd !important;
    background: transparent !important;
    transition: all 0.3s ease !important;
}

.modal .btn-outline-primary:hover {
    background: #ff7a29 !important;
    color: white !important;
    border-color: #ff7a29 !important;
}

.modal .btn-outline-primary:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 122, 41, 0.25) !important;
}

/* Стили для кнопок языков в модальном окне */
.modal .btn-outline-primary.btn-sm {
    padding: 0.5rem 0.75rem !important;
    font-size: 0.875rem !important;
    border-radius: 0.375rem !important;
}

/* Стили для флагов в модальном окне */
.modal .btn-outline-primary .mb-1 {
    font-size: 1.2rem !important;
    line-height: 1 !important;
}

.modal .btn-outline-primary .small {
    font-size: 0.75rem !important;
    line-height: 1.2 !important;
    margin-top: 0.25rem !important;
}

/* Стили для заголовка модального окна */
.modal .modal-title {
    color: #1a1a1a !important;
    font-weight: 600 !important;
    font-size: 1.25rem !important;
}

/* Стили для кнопки закрытия модального окна */
.modal .btn-close {
    background-color: transparent !important;
    border: none !important;
    opacity: 0.7 !important;
}

.modal .btn-close:hover {
    opacity: 1 !important;
}

/* Стили для контейнера кнопок языков */
.modal .row.g-2 {
    margin: 0 -0.25rem !important;
}

.modal .col-4,
.modal .col-sm-3,
.modal .col-md-2 {
    padding: 0.25rem !important;
}

/* ============================================================================
   ЗАПРЕТ ИЗМЕНЕНИЯ СТИЛЕЙ (ЗАЩИТА ОТ ПЕРЕЗАПИСИ)
   ============================================================================ */

/* !important для критически важных стилей */
.auth-wrapper {
    background: var(--color-white) !important;
    border-radius: var(--border-radius) !important;
    box-shadow: var(--box-shadow) !important;
}

.btn-primary {
    background: var(--color-orange) !important;
    color: var(--color-white) !important;
    border-color: var(--color-orange) !important;
}

.auth-title {
    color: var(--color-black) !important;
    font-weight: 700 !important;
}

.btn-gray-border {
    background-color: #FF6B35 !important; /* оранжевый фон */
    color: #fff !important; /* белый текст */
    border: 2px solid #B0B0B0 !important; /* светло-серая граница, как на логотипе */
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s;
    box-shadow: none;
}

.btn-gray-border:hover, .btn-gray-border:focus {
    background-color: #E55A2B !important; /* темно-оранжевый при наведении */
    color: #fff !important;
    border-color: #888 !important;
    box-shadow: 0 2px 8px rgba(176,176,176,0.15);
}

/* ============================================================================
   ОБЯЗАТЕЛЬНЫЕ ПОЛЯ И ДОСТУПНОСТЬ
   ============================================================================ */

.form-label.required::after {
    content: " *";
    color: var(--color-error);
    font-weight: 700;
}

.form-label.required {
    position: relative;
}

/* ARIA атрибуты для доступности */
[aria-required="true"] {
    border-left: 3px solid var(--color-orange);
}

[aria-required="true"]:focus {
    border-left-color: var(--color-orange);
}

/* Улучшенные стили фокуса для доступности */
.form-control:focus,
.btn:focus,
.form-check-input:focus {
    outline: 2px solid var(--color-orange);
    outline-offset: 2px;
}

/* Стили для экранных читалок */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}