/* Reset + базовые стили */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    background: linear-gradient(120deg, #0f2027, #203a43, #2c5364);
    display: flex;
    justify-content: center;
    align-items: center;
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    color: #fff;
    overflow: hidden;
}

/* Анимация фона */
@keyframes gradientBG {
    0% {background-position: 0% 50%;}
    50% {background-position: 100% 50%;}
    100% {background-position: 0% 50%;}
}

/* Контейнер формы */
.login-container input[type="submit"] {
    background: linear-gradient(to right, #43e97b, #38f9d7);
    color: #000;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    font-weight: bold;
    width: 100%;
    margin-top: 10px;
    transition: all 0.2s ease;
    display: block;
}

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

.login-container h2 {
    text-align: center;
    margin-bottom: 25px;
    font-weight: 300;
    font-size: 24px;
}

/* Инпуты */
.login-container input[type="text"],
.login-container input[type="password"] {
    padding: 14px;
    margin-bottom: 20px;
    border: none;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

.login-container input[type="text"]::placeholder,
.login-container input[type="password"]::placeholder {
    color: #ccc;
}

.login-container input[type="text"]:focus,
.login-container input[type="password"]:focus {
    background-color: rgba(255, 255, 255, 0.3);
    outline: none;
}

/* Кнопка входа */
.login-container input[type="submit"] {
    background: #4facfe;
    background: linear-gradient(to right, #43e97b, #38f9d7);
    color: #000;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    font-weight: bold;
    transition: transform 0.2s ease;
}

.login-container input[type="submit"]:hover {
    transform: scale(1.05);
}

/* Ошибка */
.error-message {
    color: #ff4d4d;
    background-color: rgba(255, 0, 0, 0.1);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 15px;
    text-align: center;
    font-weight: bold;
}

/* Для мобилок */
@media (max-width: 480px) {
    .login-container {
        padding: 30px 20px;
    }
}

.main-footer {
    background-color: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px;
    text-align: center;
    font-size: 14px;
    color: #ccc;
    margin-top: 40px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.footer-content {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: #1e1e2f;
    color: #eee;
}

.main-header {
    background: rgba(30, 30, 47, 0.95);
    border-bottom: 1px solid #333;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-area h1 {
    margin: 0;
    font-size: 24px;
    color: #fff;
}

.sub-title {
    font-size: 14px;
    color: #aaa;
    display: block;
}

.user-area {
    font-size: 14px;
    color: #ccc;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logout-link {
    color: #ff6b6b;
    text-decoration: none;
    font-weight: bold;
    padding: 6px 12px;
    border: 1px solid #ff6b6b;
    border-radius: 4px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.logout-link:hover {
    background-color: #ff6b6b;
    color: #1e1e2f;
}