/* 카페 재고관리 시스템 - 모던 CSS */

/* 컬러 테마 정의 - 더 부드럽고 현대적인 색상 */
:root {
    --primary-brown: #6B4423;
    --light-brown: #8B6F47;
    --cream: #FEFCF3;
    --warm-white: #FFFFFF;
    --dark-text: #2D1810;
    --medium-text: #5D4E37;
    --light-text: #8B7355;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --accent: #D97706;
    --border-light: #E5E7EB;
    --border-medium: #D1D5DB;
    --shadow-light: rgba(0, 0, 0, 0.05);
    --shadow-medium: rgba(0, 0, 0, 0.1);
    --shadow-strong: rgba(0, 0, 0, 0.15);
}

/* Tailwind 커스텀 클래스 */
.bg-coffee-brown { background-color: var(--primary-brown); }
.bg-light-brown { background-color: var(--light-brown); }
.bg-chocolate { background-color: var(--accent); }
.bg-beige { background-color: var(--cream); }
.bg-dark-brown { background-color: var(--dark-text); }
.bg-forest-green { background-color: var(--success); }
.bg-tomato-red { background-color: var(--error); }
.bg-dark-coffee { background-color: var(--primary-brown); }

.text-coffee-brown { color: var(--primary-brown); }
.text-chocolate { color: var(--accent); }
.text-beige { color: var(--cream); }
.text-dark-brown { color: var(--dark-text); }
.text-medium-brown { color: var(--medium-text); }
.text-light-brown { color: var(--light-text); }
.text-forest-green { color: var(--success); }
.text-tomato-red { color: var(--error); }

.border-coffee-brown { border-color: var(--primary-brown); }
.border-chocolate { border-color: var(--accent); }
.border-light { border-color: var(--border-light); }

/* 폰트 설정 - 더 읽기 쉬운 폰트 설정 */
.font-cafe {
    font-family: 'Noto Sans KR', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 400;
    line-height: 1.6;
}

/* 베이스 스타일 개선 */
body {
    background: linear-gradient(135deg, var(--cream) 0%, #FAF8F1 100%);
    color: var(--dark-text);
    font-size: 14px;
}

/* 사이드바 오버레이 (모바일) */
.sidebar-overlay {
    display: none;
}

@media (max-width: 1024px) {
    .sidebar-overlay.active {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 40;
    }
}

/* 모던 사이드바 스타일 */
.modern-sidebar {
    background: linear-gradient(180deg, var(--primary-brown) 0%, #5A3A22 100%);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

/* 네비게이션 링크 개선 */
.nav-link {
    border-radius: 12px;
    margin: 4px 12px;
    padding: 12px 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border-left: 4px solid var(--accent);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

/* 테이블 행 호버 효과 */
.table-row:hover {
    background-color: rgb(249 250 251); /* gray-50 */
}

/* 모던 상태 배지 */
.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.status-normal {
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.status-low {
    background: linear-gradient(135deg, #FEF2F2 0%, #FECACA 100%);
    color: #991B1B;
    border: 1px solid #FCA5A5;
}

.status-out {
    background: linear-gradient(135deg, #F9FAFB 0%, #E5E7EB 100%);
    color: #374151;
    border: 1px solid #D1D5DB;
}

/* 테이블 개선 */
.modern-table {
    background: var(--warm-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px var(--shadow-light);
}

.table-header {
    background: linear-gradient(135deg, var(--cream) 0%, #F9F7F0 100%);
    border-bottom: 2px solid var(--border-light);
}

.table-row {
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--border-light);
}

.table-row:hover {
    background: linear-gradient(135deg, #FFFBF5 0%, var(--cream) 100%);
    transform: scale(1.01);
}

/* 애니메이션 */
.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 로딩 스피너 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 차트 컨테이너 반응형 */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

@media (min-width: 768px) {
    .chart-container {
        height: 400px;
    }
}

/* 알림 카드 */
.alert-card {
    border-left: 4px solid;
    transition: all 0.2s ease-in-out;
}

.alert-card:hover {
    transform: translateX(2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.alert-low {
    border-color: rgb(239 68 68); /* red-500 */
    background-color: rgb(254 242 242); /* red-50 */
}

.alert-out {
    border-color: rgb(107 114 128); /* gray-500 */
    background-color: rgb(249 250 251); /* gray-50 */
}

/* 입력 필드 포커스 스타일 */
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: rgb(217 119 6); /* amber-600 */
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.1);
}

/* 모던 버튼 스타일 */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-brown) 0%, var(--light-brown) 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    border: none;
    box-shadow: 0 4px 12px rgba(107, 68, 35, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--light-brown) 0%, var(--accent) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(107, 68, 35, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(107, 68, 35, 0.3);
}

/* 모던 인풋 필드 */
.modern-input {
    background: var(--warm-white);
    border: 2px solid var(--border-light);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px var(--shadow-light);
}

.modern-input:focus {
    border-color: var(--primary-brown);
    box-shadow: 0 0 0 4px rgba(107, 68, 35, 0.1);
    outline: none;
    background: var(--warm-white);
}

.modern-select {
    background: var(--warm-white);
    border: 2px solid var(--border-light);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px var(--shadow-light);
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
}

.modern-select:focus {
    border-color: var(--primary-brown);
    box-shadow: 0 0 0 4px rgba(107, 68, 35, 0.1);
    outline: none;
}

/* 반응형 테이블 */
@media (max-width: 768px) {
    .responsive-table {
        font-size: 0.875rem;
    }
    
    .responsive-table th,
    .responsive-table td {
        padding: 0.5rem;
    }
}

/* 모던 카드 스타일 */
.card-shadow {
    background: var(--warm-white);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    box-shadow: 0 2px 8px var(--shadow-light);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.card-shadow:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-medium);
    border-color: var(--border-medium);
}

/* 통계 카드 특별 스타일 */
.stat-card {
    background: linear-gradient(145deg, var(--warm-white) 0%, #FEFCF8 100%);
    border-radius: 20px;
    padding: 24px;
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-brown), var(--accent));
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px var(--shadow-medium);
}

/* 모바일 메뉴 토글 애니메이션 */
.menu-toggle {
    transition: transform 0.2s ease-in-out;
}

.menu-toggle:hover {
    transform: scale(1.1);
}

/* 통계 카드 애니메이션 */
.stat-card {
    transition: all 0.2s ease-in-out;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* 사용자 정의 스크롤바 */
.custom-scrollbar {
    scrollbar-width: thin;
    scrollbar-color: rgb(217 119 6) rgb(243 244 246);
}

.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: rgb(243 244 246);
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgb(217 119 6);
    border-radius: 3px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgb(180 83 9);
}

/* 모던 모달 스타일 */
.modern-modal {
    backdrop-filter: blur(8px);
    background: rgba(0, 0, 0, 0.4);
}

.modal-content {
    background: var(--warm-white);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-light);
    overflow: hidden;
    max-width: 500px;
    width: 100%;
    margin: 20px;
}

.modal-header {
    background: linear-gradient(135deg, var(--cream) 0%, #F9F7F0 100%);
    padding: 24px 32px;
    border-bottom: 2px solid var(--border-light);
}

.modal-body {
    padding: 32px;
}

.modal-footer {
    background: var(--cream);
    padding: 20px 32px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* 취소 버튼 */
.btn-secondary {
    background: var(--warm-white);
    color: var(--medium-text);
    border: 2px solid var(--border-medium);
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--cream);
    border-color: var(--primary-brown);
    color: var(--primary-brown);
}

/* 토스트 알림 개선 */
.toast {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 1000;
    padding: 16px 24px;
    border-radius: 16px;
    color: white;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    animation: slideInToast 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 300px;
    display: flex;
    align-items: center;
    gap: 12px;
}

@keyframes slideInToast {
    from {
        transform: translateX(100%) translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0) translateY(0);
        opacity: 1;
    }
}

.toast-success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    border: 1px solid #047857;
}

.toast-error {
    background: linear-gradient(135deg, var(--error) 0%, #DC2626 100%);
    border: 1px solid #B91C1C;
}

.toast-info {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    border: 1px solid #1D4ED8;
}

/* 알림 카드 개선 */
.alert-card {
    background: var(--warm-white);
    border-radius: 16px;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.alert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--error), #DC2626);
}

.alert-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-medium);
}

/* 로딩 상태 */
.loading-state {
    opacity: 0.6;
    pointer-events: none;
}

/* 빈 상태 메시지 */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: rgb(107 114 128); /* gray-500 */
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}