:root {
    --primary-color: #7abaff;
    --secondary-color: #ffb74d;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #333333;
    --success-color: #81c784;
    --error-color: #e57373;
    --border-radius: 12px;
    --spacing: 16px;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding-bottom: 60px;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing);
}

.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: var(--spacing);
    margin-bottom: var(--spacing);
    box-shadow: var(--shadow);
}

/* ОБЩИЕ СТИЛИ ДЛЯ КРУПНОГО ТЕКСТА И ПОЛЕЙ */
input, select, textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1.2rem;
    font-family: inherit;
    background-color: #fff;
    margin-top: 5px;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(122, 186, 255, 0.2);
}

label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    padding: 15px 24px;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    font-weight: bold;
    text-align: center;
    font-size: 1.2rem;
    transition: transform 0.1s, opacity 0.2s;
    width: 100%;
    margin-bottom: 5px;
}

.btn:active {
    transform: scale(0.98);
    opacity: 0.9;
}

.btn-primary { background-color: var(--primary-color); color: white; }
.btn-secondary { background-color: var(--secondary-color); color: white; }
.btn-success { background-color: var(--success-color); color: white; }
.btn-danger { background-color: var(--error-color); color: white; }
.btn-sm { padding: 8px 12px; font-size: 0.9rem; }

/* ДИЗАЙН ИСТОРИИ */
.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid #eee;
}

.history-item:last-child {
    border-bottom: none;
}

.text-success { color: #2e7d32; }
.text-danger { color: #d32f2f; }

/* Навигация (Админка) */
.admin-nav {
    display: flex;
    overflow-x: auto;
    gap: 10px;
    padding: 10px 0;
    margin-bottom: 20px;
    border-bottom: 1px solid #ddd;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    position: sticky;
    top: 0;
    background: var(--bg-color);
    z-index: 100;
}

.admin-nav::-webkit-scrollbar {
    display: none;
}

.nav-link {
    background: white;
    padding: 8px 15px;
    border-radius: 20px;
    white-space: nowrap;
    border: 1px solid #ddd;
    font-size: 0.9rem;
    font-weight: bold;
    color: #666;
    text-decoration: none;
    flex-shrink: 0;
}

.nav-link:hover, .nav-link:active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* АДАПТИВНОСТЬ */
@media (max-width: 600px) {
    .container {
        padding: 10px;
    }
    
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
}