/* ====== Общие базовые стили ====== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e67e22;
    --light: #f4f6f8;
    --dark: #2c3e50;
    --success: #2ecc71;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --radius: 10px;
}

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: linear-gradient(120deg, #eef2f3 0%, #dfe9f3 100%);
    min-height: 100vh;
}

/* ====== Шапка ====== */
.header {
    background: var(--primary);
    color: white;
    padding: 1.2rem 0;
    box-shadow: var(--shadow);
}

.header-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--accent);
}

/* ====== Контейнер ====== */
.container {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

/* ====== Навигация ====== */
.nav {
    background: white;
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.nav a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 600;
    margin-right: 1.5rem;
    transition: var(--transition);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius);
}

.nav a:hover,
.nav a.active {
    background: var(--secondary);
    color: white;
}

/* ====== Карточка ====== */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    background: linear-gradient(to right, var(--secondary), var(--primary));
    color: white;
    padding: 1.2rem 1.5rem;
}

.card-title {
    font-size: 1.6rem;
    font-weight: 600;
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

/* ====== Таблица ====== */
.styled-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    font-size: 0.95rem;
}

.styled-table thead {
    background: var(--secondary);
    color: white;
}

.styled-table th,
.styled-table td {
    padding: 0.9rem 1rem;
    text-align: left;
}

.styled-table tbody tr:nth-child(even) {
    background: #f8f9fa;
}

.styled-table tbody tr:hover {
    background: #ecf0f1;
}

/* ====== Кнопки ====== */
.btn {
    background: var(--secondary);
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 0.7rem 1.4rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.btn:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.btn-accent {
    background: var(--accent);
}

.btn-accent:hover {
    background: #d35400;
}

.actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 1rem;
}

/* ====== Текст ====== */
p {
    color: var(--dark);
    margin-bottom: 1rem;
}

/* ====== Адаптив ====== */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .nav {
        text-align: center;
    }

    .nav a {
        display: inline-block;
        margin: 0.4rem;
    }

    .btn {
        width: 100%;
    }

    .styled-table th,
    .styled-table td {
        padding: 0.6rem;
    }
}