/**
 * Clopy24 Invoice System - Mobile Optimized CSS
 * 모바일 우선 반응형 디자인
 */

/* ==========================================
   전역 설정
========================================== */
:root {
    --primary-color: #0066cc;
    --secondary-color: #ff6600;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --dark-color: #333333;
    --gray-color: #666666;
    --light-gray: #f8f9fa;
    --border-color: #dee2e6;
    
    --touch-target: 48px; /* 터치 최소 크기 */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Noto Sans KR', 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

/* ==========================================
   컨테이너
========================================== */
.clopy24-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

@media (max-width: 768px) {
    .clopy24-container {
        padding: var(--spacing-sm);
    }
}

/* ==========================================
   헤더
========================================== */
.clopy24-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: var(--spacing-lg) var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.clopy24-header h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
}

@media (max-width: 768px) {
    .clopy24-header h1 {
        font-size: 20px;
    }
}

/* ==========================================
   폼 요소 (모바일 최적화)
========================================== */
.clopy24-form-group {
    margin-bottom: var(--spacing-md);
}

.clopy24-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    font-size: 15px;
    color: var(--dark-color);
}

.clopy24-label.required::after {
    content: ' *';
    color: var(--danger-color);
}

.clopy24-input,
.clopy24-select,
.clopy24-textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px; /* iOS 줌 방지 */
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: white;
    transition: all 0.3s ease;
    -webkit-appearance: none;
    appearance: none;
}

.clopy24-input:focus,
.clopy24-select:focus,
.clopy24-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.clopy24-textarea {
    min-height: 100px;
    resize: vertical;
}

/* 터치 친화적 체크박스 */
.clopy24-checkbox-group {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background: var(--light-gray);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.clopy24-checkbox-group:active {
    background: #e9ecef;
}

.clopy24-checkbox {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
}

.clopy24-checkbox-label {
    flex: 1;
    font-size: 16px;
    cursor: pointer;
    user-select: none;
}

/* ==========================================
   버튼 (최소 48px 터치 영역)
========================================== */
.clopy24-btn {
    display: inline-block;
    min-height: var(--touch-target);
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    -webkit-appearance: none;
    appearance: none;
}

.clopy24-btn-primary {
    background: var(--primary-color);
    color: white;
}

.clopy24-btn-primary:hover,
.clopy24-btn-primary:active {
    background: #0052a3;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.clopy24-btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.clopy24-btn-secondary:hover,
.clopy24-btn-secondary:active {
    background: #e55a00;
}

.clopy24-btn-success {
    background: var(--success-color);
    color: white;
}

.clopy24-btn-block {
    display: block;
    width: 100%;
}

.clopy24-btn-lg {
    min-height: 56px;
    font-size: 18px;
    padding: 16px 32px;
}

.clopy24-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==========================================
   카드
========================================== */
.clopy24-card {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .clopy24-card {
        padding: var(--spacing-md);
        border-radius: 8px;
    }
}

.clopy24-card-title {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 var(--spacing-md) 0;
    color: var(--dark-color);
}

/* ==========================================
   품목 선택 (터치 최적화)
========================================== */
.clopy24-item-list {
    display: grid;
    gap: var(--spacing-sm);
}

.clopy24-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.clopy24-item:active {
    background: var(--light-gray);
    transform: scale(0.98);
}

.clopy24-item.selected {
    border-color: var(--primary-color);
    background: rgba(0, 102, 204, 0.05);
}

.clopy24-item-checkbox {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-md);
}

.clopy24-item-info {
    flex: 1;
}

.clopy24-item-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.clopy24-item-price {
    font-size: 14px;
    color: var(--gray-color);
}

.clopy24-item-quantity {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: var(--spacing-sm);
}

.clopy24-qty-btn {
    width: 40px;
    height: 40px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 6px;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
}

.clopy24-qty-btn:active {
    background: var(--light-gray);
    transform: scale(0.95);
}

.clopy24-qty-input {
    width: 60px;
    height: 40px;
    text-align: center;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
}

/* ==========================================
   금액 표시
========================================== */
.clopy24-summary {
    background: var(--light-gray);
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.clopy24-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.clopy24-summary-row:last-child {
    border-bottom: none;
}

.clopy24-summary-label {
    font-size: 15px;
    color: var(--gray-color);
}

.clopy24-summary-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark-color);
}

.clopy24-summary-total {
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.clopy24-summary-total .clopy24-summary-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
}

.clopy24-summary-total .clopy24-summary-value {
    color: white;
    font-size: 24px;
    font-weight: 700;
}

/* ==========================================
   알림/메시지
========================================== */
.clopy24-alert {
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
}

.clopy24-alert-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.clopy24-alert-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.clopy24-alert-warning {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
}

/* ==========================================
   로딩 스피너
========================================== */
.clopy24-loading {
    text-align: center;
    padding: var(--spacing-xl);
}

.clopy24-spinner {
    border: 4px solid var(--light-gray);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==========================================
   모달
========================================== */
.clopy24-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    overflow-y: auto;
}

.clopy24-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.clopy24-modal-content {
    background: white;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

@media (max-width: 768px) {
    .clopy24-modal-content {
        width: 95%;
        padding: var(--spacing-md);
    }
}

/* ==========================================
   간판 실시간 견적 (특별 디자인)
========================================== */
.clopy24-signage-quote {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
}

.clopy24-signage-pending {
    background: var(--warning-color);
    color: var(--dark-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 6px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

/* ==========================================
   대시보드 통계
========================================== */
.clopy24-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
    .clopy24-stats-grid {
        grid-template-columns: 1fr;
    }
}

.clopy24-stat-card {
    background: white;
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--primary-color);
}

.clopy24-stat-label {
    font-size: 14px;
    color: var(--gray-color);
    margin-bottom: var(--spacing-xs);
}

.clopy24-stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark-color);
}

/* ==========================================
   반응형 테이블
========================================== */
@media (max-width: 768px) {
    .clopy24-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .clopy24-table table {
        min-width: 600px;
    }
}

/* ==========================================
   유틸리티 클래스
========================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.d-none { display: none; }
.d-block { display: block; }

@media (max-width: 768px) {
    .mobile-hidden { display: none !important; }
}

/* ==========================================
   iOS Safari 터치 개선
========================================== */
input,
textarea,
select,
button {
    -webkit-appearance: none;
    appearance: none;
}

input[type="checkbox"] {
    -webkit-appearance: checkbox;
    appearance: checkbox;
}

/* ==========================================
   PWA 앱 느낌
========================================== */
@media (display-mode: standalone) {
    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* ==========================================
   프린트 스타일
========================================== */
@media print {
    .clopy24-header,
    .clopy24-btn,
    .no-print {
        display: none !important;
    }
    
    .clopy24-card {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}