/* ===============================
   RESET
================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --color-primary: #0a2f6d;
    --color-secondary: #0d47a1;
    --color-accent: #ffc107;

    --color-bg: #f4f6f8;
    --color-card: #ffffff;

    --color-text-main: #222222;
    --color-text-muted: #666666;

    --color-success: #2e7d32;
    --color-warning: #ed6c02;
    --color-error: #d32f2f;
}
.sidebar {
    border: 2px solid red;
}
body {
    color: var(--color-text-main);
    background-color: var(--color-bg);
}

header {
    background-color: var(--color-primary);
}

.top-nav a {
    color: var(--color-card);
}

.top-nav a:hover {
    color: var(--color-accent);
}

.card {
    background-color: var(--color-card);
}

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

.btn:hover {
    background-color: var(--color-primary);
}
/* ===============================
   BODY / BACKGROUND
================================ */
body {
    background: red;
}
body { background: green; }

body {
    font-family: "Segoe UI", Arial, sans-serif;
    color: #222;

    /* фон */
    background-color: #f4f6f8; /* запасной цвет */
    background-image: url("../img/bg-main.jpg");
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-attachment: fixed;
}
}
/* ===============================
   HEADER
================================ */
header {
    background-color: #0a2f6d; /* тёмно-синий фон */
    padding: 10px 30px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    position: relative;
    z-index: 10; /* чтобы навигация была над всем */
}

/* Ссылки в навигации */
header nav a {
    text-decoration: none;
    color: #ffffff; /* белый текст */
    font-weight: 600;
    margin-right: 15px;
    transition: color 0.3s;
}

/* Эффект при наведении */
header nav a:hover {
    color: #ffc107; /* например, желтый при наведении */
}
/* ===============================
   MAIN CONTAINER
================================ */
.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 30px;

    background: rgba(255, 255, 255, 0.88); /* полупрозрачный фон для читаемости */
    border-radius: 18px;
}

/* ===============================
   HEADINGS
================================ */
h1 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 10px;
    letter-spacing: 1px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

p {
    line-height: 1.6;
}

h2 {
    margin: 40px 0 20px;
    font-size: 26px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

/* ===============================
   LINKS
================================ */
a {
    text-decoration: none;
}

.link {
    display: inline-block;
    margin-top: 10px;
    color: #0a58ca;
    font-weight: 600;
}

.link:hover {
    text-decoration: underline;
}

/* ===============================
   CARDS GRID
================================ */
.cards-grid,
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* ===============================
   CARD / NEWS ITEM
================================ */
.card,
.news-item {
    background: rgba(255, 255, 255, 0.95); /* полупрозрачный белый фон */
    padding: 20px;
    border-radius: 14px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover,
.news-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.15);
}

.card h3,
.news-item h3 {
    margin-bottom: 10px;
    font-size: 18px;
}
/*======================
=======================*/
.narrow {
    max-width: 800px;
}
.top-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-dropdown {
    position: relative;
}

.admin-login {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    padding: 10px;
    border: 1px solid #ccc;
    z-index: 1000;
    white-space: nowrap;
}

.admin-login input {
    width: 140px;
    margin-bottom: 5px;
    display: block;
}

.admin-login button {
    width: 100%;
}

/* ===============================
   TABLETS
================================ */
@media (max-width: 992px) {
    .cards-grid,
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    h1 {
        font-size: 30px;
    }

    h2 {
        font-size: 22px;
    }
}

/* ===============================
   MOBILE
================================ */
@media (max-width: 600px) {
    body {
        background-attachment: scroll; /* на мобильных фиксированный фон иногда не нужен */
    }
.container {
    max-width: 1000px;
    margin: auto;
}

.grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.card {
    flex: 1 1 220px;
    max-width: 260px;
}

    .container {
        margin: 10px;
        padding: 20px;
        border-radius: 12px;
    }
	.card {
    max-width: 600px;
    margin: 15px auto;
    padding: 15px;
}
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    justify-items: center;
}

    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 20px;
    }

    p {
        font-size: 15px;
    }
}body {
    margin: 0;
    font-family: Arial;
    background: #f2f4f7;
}

header {
    background: #003366;
    padding: 10px;
}

nav a {
    color: white;
    margin-right: 15px;
    text-decoration: none;
}

.container {
    padding: 20px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
    gap: 20px;
}

.card {
    background: white;
    padding: 15px;
    border-radius: 8px;
}

.card img {
    max-width: 100%;
    height: 150px;
    object-fit: cover;
}
/* ====== БЛОКИ ВХОДА СПРАВА ====== */

.login-wrapper {
    display: flex;
    gap: 20px;
    max-width: 520px;
    margin: 60px 60px 0 auto; /* прижать вправо */
}

.login-box {
    background: #ffffff;
    padding: 15px;
    width: 250px; /* в 2 раза меньше */
    border-radius: 8px;
    box-shadow: 0 0 8px rgba(0,0,0,0.15);
}

.login-box h3 {
    text-align: center;
    font-size: 16px;
    margin-bottom: 10px;
}

.login-box label {
    display: block;
    margin-top: 8px;
    font-size: 13px;
    font-weight: bold;
}

.login-box input {
    width: 100%;
    padding: 7px;
    margin-top: 4px;
    font-size: 13px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.login-box button {
    width: 100%;
    margin-top: 10px;
    padding: 8px;
    background: #4CAF50;
    color: #fff;
    border: none;
    font-size: 14px;
    cursor: pointer;
    border-radius: 4px;
}

.login-box button:hover {
    background: #43a047;
}

.login-box .error {
    color: red;
    text-align: center;
    font-size: 13px;
    margin-bottom: 8px;
}
/* ===== Контейнер для входа ===== */
.login-container {
    display: flex;
    flex-direction: column;  /* блоки один под другим */
    align-items: flex-end;   /* прижать к правому краю */
    gap: 20px;
    max-width: 520px;
    margin: 60px auto 0 auto;
}

/* ===== Окна входа ===== */
.login-box {
    background: #ffffff;
    padding: 15px;
    width: 250px;            /* в 2 раза меньше */
    border-radius: 8px;
    box-shadow: 0 0 8px rgba(0,0,0,0.15);
}

.login-box h3 {
    text-align: center;
    margin-bottom: 10px;
    font-size: 16px;
}

.login-box label {
    display: block;
    margin-top: 8px;
    font-weight: bold;
    font-size: 13px;
}

.login-box input {
    width: 100%;
    padding: 7px;
    margin-top: 4px;
    font-size: 13px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.login-box button {
    width: 100%;
    margin-top: 10px;
    padding: 8px;
    background: #4CAF50;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 14px;
    border-radius: 4px;
}

.login-box button:hover {
    background: #43a047;
}

.login-box .error {
    color: red;
    text-align: center;
    margin-bottom: 8px;
    font-size: 13px;
}