/* Базовые стили для HTML и Body */
html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    min-height: 100vh;
    background: #111111;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden; /* Предотвращаем горизонтальный скролл */
    box-sizing: border-box;
}

/* Стили для контейнера авторизации */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    width: 100%;
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.9) 0%, rgba(33, 33, 33, 0.9) 100%);
    padding: 20px;
    margin: 0;
    position: relative;
    box-sizing: border-box;
}

/* Эффект свечения фона */
.auth-container::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 150, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
    overflow: hidden;
}

/* Стили для карточки авторизации */
.auth-card {
    background: rgba(25, 25, 25, 0.95);
    border-radius: 20px;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5),
                0 0 20px rgba(0, 150, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform-style: preserve-3d;
    transform: perspective(1000px) rotateX(5deg);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.auth-card:hover {
    transform: perspective(1000px) rotateX(0deg) translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6),
                0 0 30px rgba(0, 150, 255, 0.2);
}

/* Заголовок */
.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-logo {
    max-width: 130px;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 10px rgba(0, 150, 255, 0.5));
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.auth-header h1 {
    font-size: 2rem;
    color: #fff;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(0, 150, 255, 0.3);
    font-weight: 600;
}

.auth-header p {
    color: #a0a0a0;
    font-size: 1.1rem;
}

/* Информация о системе */
.system-info {
    background: linear-gradient(145deg, rgba(30, 30, 30, 0.9), rgba(20, 20, 20, 0.9));
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.2);
}

.datetime {
    color: #00bcd4;
    font-size: 0.95em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 10px;
    margin-bottom: 10px;
}

.user-login {
    color: #4CAF50;
    font-weight: 500;
    font-size: 0.95em;
}

/* Поля ввода */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.7rem;
    color: #fff;
    font-weight: 500;
    font-size: 0.95rem;
}

.input-with-icon {
    position: relative;
}

.input-with-icon i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #4CAF50;
    font-size: 1.1rem;
}

.input-with-icon input {
    width: 100%;
    padding: 10px 12px 10px 38px;
    box-sizing: border-box;
    color: #ffffff;
    max-width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-with-icon input:focus {
    border-color: #4CAF50;
    box-shadow: 0 0 15px rgba(76, 175, 80, 0.3);
    outline: none;
    background: rgba(255, 255, 255, 0.08);
}

/* Чекбокс */
.checkbox-container {
    display: flex;
    align-items: center;
    color: #a0a0a0;
    cursor: pointer;
    user-select: none;
}

.checkbox-container input[type="checkbox"] {
    margin-right: 10px;
    accent-color: #4CAF50;
}

/* Кнопка входа */
.btn-primary {
    width: 100%;
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    padding: 14px;
    border-radius: 8px;
    border: none;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(76, 175, 80, 0.4);
    background: linear-gradient(45deg, #45a049, #4CAF50);
}

.btn-primary i {
    transition: transform 0.3s ease;
}

.btn-primary:hover i {
    transform: translateX(5px);
}

/* Футер */
.auth-footer {
    text-align: center;
    margin-top: 2rem;
    color: #a0a0a0;
}

.auth-footer a {
    color: #4CAF50;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.auth-footer a:hover {
    color: #45a049;
    text-decoration: underline;
}

/* Алерты */
.alert {
    padding: 15px;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    font-size: 0.95rem;
    border: 1px solid transparent;
    background: rgba(0, 0, 0, 0.2);
}

.alert-success {
    background-color: rgba(76, 175, 80, 0.1);
    border-color: rgba(76, 175, 80, 0.3);
    color: #4CAF50;
}

.alert-danger {
    background-color: rgba(244, 67, 54, 0.1);
    border-color: rgba(244, 67, 54, 0.3);
    color: #f44336;
}

/* Анимация появления */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Адаптивные стили для больших мониторов (1400px и выше) */
@media (min-width: 1400px) {
    .auth-container {
        padding: 40px;
    }

    .auth-card {
        max-width: 480px;
        padding: 3rem;
    }

    .auth-header h1 {
        font-size: 2.5rem;
    }

    .auth-header p {
        font-size: 1.3rem;
    }

    .btn-primary {
        padding: 16px;
        font-size: 1.2rem;
    }
}

/* Средние экраны и ноутбуки (1200px и ниже) */
@media (max-width: 1200px) {
    .auth-card {
        max-width: 400px;
        padding: 2rem;
    }

    .auth-header h1 {
        font-size: 1.8rem;
    }

    .auth-header p {
        font-size: 1rem;
    }

    .btn-primary {
        padding: 12px;
        font-size: 1rem;
    }
}

/* Планшеты (альбомная ориентация, 992px и ниже) */
@media (max-width: 992px) {
    .auth-container {
        padding: 15px;
    }

    .auth-card {
        max-width: 360px;
        padding: 1.8rem;
    }

    .auth-header h1 {
        font-size: 1.6rem;
    }

    .auth-header p {
        font-size: 0.95rem;
    }

    .form-group label {
        font-size: 0.9rem;
    }

    .input-with-icon input {
        padding: 8px 10px 8px 35px;
        font-size: 0.95rem;
    }

    .btn-primary {
        padding: 12px;
        font-size: 0.95rem;
    }
}

/* Планшеты (портретная ориентация, 768px и ниже) */
@media (max-width: 768px) {
    .auth-container {
        padding: 10px;
    }

    .auth-card {
        max-width: 340px;
        padding: 1.5rem;
        border-radius: 15px;
        transform: none; /* Убираем 3D-эффект для экономии ресурсов */
    }

    .auth-card:hover {
        transform: translateY(-3px);
    }

    .auth-header {
        margin-bottom: 2rem;
    }

    .auth-logo {
        max-width: 110px;
    }

    .auth-header h1 {
        font-size: 1.4rem;
    }

    .auth-header p {
        font-size: 0.9rem;
    }

    .system-info {
        padding: 15px;
    }

    .datetime, .user-login {
        font-size: 0.85em;
    }

    .form-group {
        margin-bottom: 1.2rem;
    }

    .input-with-icon i {
        font-size: 1rem;
        left: 12px;
    }

    .input-with-icon input {
        padding: 8px 10px 8px 32px;
        font-size: 0.9rem;
    }

    .btn-primary {
        padding: 10px;
        font-size: 0.9rem;
    }

    .auth-footer {
        margin-top: 1.5rem;
    }
}

/* Мобильные устройства (альбомная ориентация, 767px и ниже) */
@media (max-width: 767px) and (orientation: landscape) {
    .auth-container {
        padding: 10px;
    }

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

    .auth-header h1 {
        font-size: 1.3rem;
    }

    .auth-header p {
        font-size: 0.85rem;
    }

    .input-with-icon input {
        font-size: 0.9rem;
    }

    .btn-primary {
        padding: 10px;
        font-size: 0.9rem;
    }
}

/* Мобильные устройства (портретная ориентация, 576px и ниже) */
@media (max-width: 576px) {
    .auth-container {
        padding: 5px;
    }

    .auth-card {
        max-width: 95%;
        padding: 1.2rem;
        border-radius: 12px;
    }

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

    .auth-logo {
        max-width: 100px;
    }

    .auth-header h1 {
        font-size: 1.2rem;
    }

    .auth-header p {
        font-size: 0.85rem;
    }

    .system-info {
        padding: 12px;
        margin-bottom: 15px;
    }

    .datetime, .user-login {
        font-size: 0.8em;
    }

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

    .form-group label {
        font-size: 0.85rem;
    }

    .input-with-icon i {
        font-size: 0.9rem;
        left: 10px;
    }

    .input-with-icon input {
        padding: 7px 9px 7px 30px;
        font-size: 0.85rem;
    }

    .btn-primary {
        padding: 9px;
        font-size: 0.85rem;
    }

    .auth-footer {
        margin-top: 1.2rem;
        font-size: 0.9rem;
    }

    .alert {
        padding: 10px;
        font-size: 0.85rem;
    }
}

/* Очень маленькие мобильные устройства (400px и ниже) */
@media (max-width: 400px) {
    .auth-card {
        padding: 1rem;
    }

    .auth-logo {
        max-width: 90px;
    }

    .auth-header h1 {
        font-size: 1.1rem;
    }

    .auth-header p {
        font-size: 0.8rem;
    }

    .system-info {
        padding: 10px;
    }

    .datetime, .user-login {
        font-size: 0.75em;
    }

    .form-group label {
        font-size: 0.8rem;
    }

    .input-with-icon input {
        padding: 6px 8px 6px 28px;
        font-size: 0.8rem;
    }

    .btn-primary {
        padding: 8px;
        font-size: 0.8rem;
    }
}

/* Очень маленькие устройства (320px и ниже) */
@media (max-width: 320px) {
    .auth-card {
        padding: 0.8rem;
    }

    .auth-header h1 {
        font-size: 1rem;
    }

    .auth-header p {
        font-size: 0.75rem;
    }

    .input-with-icon input {
        padding: 5px 7px 5px 25px;
        font-size: 0.75rem;
    }

    .btn-primary {
        padding: 7px;
        font-size: 0.75rem;
    }
}

/* Поддержка устройств с notch (например, iPhone) */
@supports (padding-top: env(safe-area-inset-top)) {
    .auth-container {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }
}

/* Оптимизация для тач-устройств */
@media (hover: none) {
    .auth-card:hover {
        transform: none; /* Отключаем эффект при наведении на тач-устройствах */
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5),
                    0 0 20px rgba(0, 150, 255, 0.1);
    }

    .btn-primary:hover {
        transform: none; /* Отключаем эффект поднятия */
        box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
    }

    .btn-primary:hover i {
        transform: none; /* Отключаем движение иконки */
    }
}