:root {
    --mocco-espresso: #4E342E;
    --mocco-milk: #FDF5E6;
    --mocco-latte: #D7CCC8;
    --mocco-caramel: #C19A6B;
    --mocco-shadow: rgba(78, 52, 46, 0.12);
}

body {
    background-color: var(--mocco-milk);
    color: var(--mocco-espresso);
    font-family: 'Inter', sans-serif;
    margin: 0; padding: 0;
    padding-bottom: 90px;
}

.container { padding: 20px; max-width: 600px; margin: auto; }

/* Поиск и табы */
.search-form {
    margin-bottom: 20px;
}

.search-box {
    position: relative;
}

.search-form .search-input {
    margin-bottom: 0;
    padding-right: 56px;
}

.search-btn {
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 19px;
    background: var(--mocco-espresso);
    color: var(--mocco-milk);
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.search-input {
    width: 100%; padding: 15px; border-radius: 25px;
    border: 2px solid var(--mocco-latte); margin-bottom: 20px;
    box-sizing: border-box; font-size: 16px;
}

.status-tabs {
    display: flex; overflow-x: auto; gap: 8px; margin-bottom: 20px; padding-bottom: 5px;
}

.tab {
    white-space: nowrap; padding: 8px 16px; background: var(--mocco-latte);
    border-radius: 20px; text-decoration: none; color: var(--mocco-espresso); font-size: 14px;
}

.tab.active { background: var(--mocco-caramel); color: white; }

/* Сетка книг */
.book-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

.book-card {
    background: white; border-radius: 20px; padding: 10px;
    box-shadow: 0 8px 15px var(--mocco-shadow); position: relative;
}

.book-card img { width: 100%; height: 180px; object-fit: cover; border-radius: 15px; }

.location-badge {
    position: absolute; top: 15px; left: 15px; display: flex; gap: 4px;
}

.location-badge a {
    background: rgba(78, 52, 46, 0.8); color: white; padding: 2px 6px;
    border-radius: 6px; font-size: 10px; text-decoration: none;
}

.book-title { font-weight: bold; font-size: 14px; margin-top: 8px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.book-author { font-size: 12px; color: #8D6E63; }
.read-by-tag { font-size: 10px; color: #2E7D32; background: #E8F5E9; padding: 2px 6px; border-radius: 5px; margin-top: 5px; display: inline-block; }

/* Формы */
input, select, textarea {
    width: 100%; padding: 14px; margin-bottom: 12px;
    border-radius: 15px; border: 1px solid var(--mocco-latte); box-sizing: border-box;
}

.btn-save {
    background: var(--mocco-espresso); color: white; padding: 16px;
    border-radius: 15px; border: none; width: 100%; font-weight: bold; font-size: 16px;
}

/* Нижняя панель */
.nav-bar {
    position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
    background: var(--mocco-espresso); display: flex; gap: 25px;
    padding: 12px 30px; border-radius: 40px; box-shadow: 0 10px 25px rgba(0,0,0,0.3); z-index: 100;
}

.nav-bar a { color: var(--mocco-milk); text-decoration: none; font-size: 20px; }

.btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    background-color: transparent;
    color: var(--mocco-espresso);
    border: 2px solid var(--mocco-latte);
    border-radius: 15px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: 0.3s;
}

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

.form-container {
    max-width: 400px;
    margin: auto;
    background: white;
    padding: 30px;
    border-radius: 30px;
    box-shadow: 0 10px 30px var(--mocco-shadow);
}

.flash-list {
    margin: 0 0 16px;
}

.flash-item {
    background: #fff3cd;
    border: 1px solid #ffeeba;
    color: #856404;
    border-radius: 12px;
    padding: 10px 12px;
    margin-bottom: 10px;
    font-size: 14px;
}

.isbn-help {
    font-size: 12px;
    color: #8D6E63;
    margin: 8px 0 12px;
}

.field-label {
    font-size: 12px;
    color: #8D6E63;
}

.hidden {
    display: none;
}

.cover-preview {
    width: 120px;
    height: 170px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--mocco-latte);
    margin-bottom: 12px;
    background: #f4ede7;
}



.btn-save i,
.btn-secondary i,
.back-link i,
a i.bi {
    margin-right: 6px;
}