/* ===================================
   Utility Styles
   - Memo Container & Filters
   - Pagination
   - Loading States
   - AI Icon
   =================================== */

/* ==================== Memo Container ==================== */

.memo-container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin: 2rem 0;
}

/* ==================== Memo Filter Bar ==================== */

.memo-filter-bar {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.filter-item label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.filter-item select {
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: white;
    font-size: 0.95rem;
    min-width: 150px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-item select:hover {
    border-color: var(--primary-color);
}

.filter-item select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.filter-item input[type="date"] {
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: white;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-item input[type="date"]:hover {
    border-color: var(--primary-color);
}

.filter-item input[type="date"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.date-range-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.date-range-separator {
    color: var(--text-secondary);
    font-weight: 500;
}

.filter-search {
    flex: 1;
    min-width: 250px;
}

.search-input-group {
    display: flex;
    gap: 0.5rem;
}

.search-input-group input {
    flex: 1;
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.search-input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    min-width: 44px;
}

.search-btn:hover {
    background: var(--primary-hover);
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}

.search-btn .material-icons {
    font-size: 20px;
}

.memo-filter-bar .btn-primary {
    margin-left: auto;
    white-space: nowrap;
}

.btn-add-memo {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-add-memo:hover {
    background: #357ae8;
    transform: scale(1.1);
}

/* ==================== AI Icon ==================== */

.ai-icon {
    display: inline-flex;
    align-items: center;
    margin-right: 0.25rem;
    color: #9e9e9e;
    font-size: 0.85rem;
    vertical-align: middle;
}

/* ==================== Memo List ==================== */

.memo-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    min-height: 200px;
}

/* ==================== Pagination ==================== */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.page-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

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

.page-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.page-ellipsis {
    padding: 0.5rem;
    color: var(--text-secondary);
}

/* ==================== Loading & Messages ==================== */

.loading,
.error-message,
.empty-message {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.error-message {
    color: #dc3545;
}

/* ==================== Responsive ==================== */

@media (max-width: 768px) {
    .memo-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-item {
        width: 100%;
    }

    .filter-item select {
        width: 100%;
    }

    .filter-search {
        width: 100%;
        min-width: unset;
    }

    .memo-filter-bar .btn-primary {
        margin-left: 0;
        width: 100%;
    }

    .memo-filters {
        justify-content: center;
    }

    .pagination {
        font-size: 0.9rem;
    }

    .page-btn {
        padding: 0.4rem 0.8rem;
    }
}