/* =============================================
   在庫管理システム - Stock Management System
   Toyo Holdings - Responsive Enterprise CSS
   ============================================= */

:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --primary-light: #e8f0fe;
    --secondary: #5f6368;
    --success: #34a853;
    --warning: #fbbc04;
    --danger: #ea4335;
    --info: #4285f4;
    --dark: #202124;
    --light: #f8f9fa;
    --white: #ffffff;
    --border: #dadce0;
    --shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-lg: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
    --radius: 8px;
    --radius-lg: 12px;
    --sidebar-width: 260px;
    --header-height: 64px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f5f5f5;
    color: var(--dark);
    line-height: 1.6;
    font-size: 14px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    margin-bottom: 0.5em;
}

h1 { font-size: 24px; }
h2 { font-size: 20px; }
h3 { font-size: 18px; }
h4 { font-size: 16px; }

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--dark);
    color: var(--white);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-logo {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
}

.sidebar-title {
    font-size: 16px;
    font-weight: 500;
}

.sidebar-subtitle {
    font-size: 11px;
    color: rgba(255,255,255,0.6);
}

.sidebar-nav {
    padding: 16px 0;
}

.nav-section {
    margin-bottom: 8px;
}

.nav-section-title {
    padding: 8px 20px;
    font-size: 11px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.5px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    gap: 12px;
}

.nav-item:hover, .nav-item.active {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

.nav-item.active {
    border-left: 3px solid var(--primary);
    background: rgba(26, 115, 232, 0.2);
}

.nav-item i {
    width: 20px;
    text-align: center;
}

.nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: var(--white);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    min-width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    transition: var(--transition);
}

/* Header */
.header {
    height: var(--header-height);
    background: var(--white);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    gap: 16px;
}

.header-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--secondary);
}

.header-search {
    flex: 1;
    max-width: 400px;
}

.header-search input {
    width: 100%;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: var(--light);
    font-size: 14px;
    transition: var(--transition);
}

.header-search input:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-left: auto;
}

.header-stats {
    display: flex;
    gap: 24px;
}

.header-stat {
    text-align: center;
}

.header-stat-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
}

.header-stat-label {
    font-size: 11px;
    color: var(--secondary);
}

.header-user {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.header-user:hover {
    background: var(--light);
}

.header-user-avatar {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 500;
}

/* Page Content */
.page-content {
    padding: 24px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-title {
    font-size: 24px;
    font-weight: 500;
}

.page-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 24px;
}

.card-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 16px;
    font-weight: 500;
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    background: var(--light);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Dashboard Cards */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 16px;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.blue { background: var(--primary-light); color: var(--primary); }
.stat-icon.green { background: #e6f4ea; color: var(--success); }
.stat-icon.yellow { background: #fef7e0; color: var(--warning); }
.stat-icon.red { background: #fce8e6; color: var(--danger); }

.stat-info h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 4px;
}

.stat-info p {
    color: var(--secondary);
    font-size: 13px;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: var(--light);
    font-weight: 500;
    color: var(--secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover {
    background: var(--light);
}

.table-thumbnail {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: var(--radius);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--light);
    color: var(--dark);
    border: 1px solid var(--border);
}

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

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

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

.btn-warning {
    background: var(--warning);
    color: var(--dark);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control:disabled {
    background: var(--light);
    cursor: not-allowed;
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235f6368' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-hint {
    font-size: 12px;
    color: var(--secondary);
    margin-top: 4px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: #e6f4ea; color: var(--success); }
.badge-warning { background: #fef7e0; color: #b06000; }
.badge-danger { background: #fce8e6; color: var(--danger); }
.badge-secondary { background: var(--light); color: var(--secondary); }
.badge-info { background: #e3f2fd; color: #1565c0; }

/* Shipping QR Badge */
.shipping-qr-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.shipping-qr-badge:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.shipping-qr-badge i {
    font-size: 12px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(-20px);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-lg { max-width: 900px; }
.modal-xl { max-width: 1200px; }

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 18px;
    font-weight: 500;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--secondary);
    line-height: 1;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Image Upload */
.image-upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.image-upload-area:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.image-upload-area i {
    font-size: 48px;
    color: var(--secondary);
    margin-bottom: 16px;
}

.image-preview-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.image-preview-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius);
    overflow: hidden;
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-item .remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: var(--danger);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
}

/* Barcode */
.barcode-container {
    text-align: center;
    padding: 20px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.barcode-container svg {
    max-width: 100%;
}

/* Zone Cards */
.zone-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.zone-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.zone-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.zone-card.selected {
    border-color: var(--primary);
    background: var(--primary-light);
}

.zone-code {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary);
}

.zone-name {
    color: var(--secondary);
    margin: 8px 0;
}

.zone-count {
    font-size: 18px;
    font-weight: 500;
}

/* Channel Cards */
.channel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.channel-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
}

.channel-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.channel-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.channel-accounts {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.channel-account {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.tab {
    padding: 12px 24px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: var(--secondary);
    transition: var(--transition);
}

.tab:hover {
    color: var(--primary);
}

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-btn {
    padding: 12px 20px;
    cursor: pointer;
    border: none;
    background: var(--light);
    color: var(--secondary);
    transition: var(--transition);
    border-radius: var(--radius) var(--radius) 0 0;
    margin-right: 4px;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.tab-btn:hover {
    background: var(--border);
    color: var(--dark);
}

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

.tab-btn .badge {
    font-size: 11px;
    padding: 2px 8px;
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: #e6f4ea;
    color: var(--success);
}

.alert-danger {
    background: #fce8e6;
    color: var(--danger);
}

.alert-warning {
    background: #fef7e0;
    color: #b06000;
}

.alert-info {
    background: var(--primary-light);
    color: var(--primary);
}

/* Loading */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.login-card {
    background: var(--white);
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo i {
    font-size: 64px;
    color: var(--primary);
}

.login-title {
    text-align: center;
    font-size: 24px;
    margin-bottom: 8px;
}

.login-subtitle {
    text-align: center;
    color: var(--secondary);
    margin-bottom: 32px;
}

/* Responsive */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .header-toggle {
        display: block;
    }

    .header-stats {
        display: none;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .image-preview-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

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

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-actions {
        width: 100%;
    }

    .page-actions .btn {
        flex: 1;
    }

    .card-body {
        padding: 16px;
    }

    th, td {
        padding: 8px 12px;
    }

    .modal {
        margin: 16px;
        max-height: calc(100vh - 32px);
    }

    .login-card {
        margin: 16px;
        padding: 32px 24px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0 16px;
    }

    .header-search {
        display: none;
    }

    .page-content {
        padding: 16px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-icon {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }

    .stat-info h3 {
        font-size: 24px;
    }

    .image-preview-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .zone-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Print styles */
@media print {
    .sidebar, .header, .page-actions {
        display: none !important;
    }

    .main-content {
        margin-left: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid var(--border);
    }
}

/* Smart Search & Filter Tags */
.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group .input-icon {
    position: absolute;
    left: 12px;
    color: var(--secondary);
    pointer-events: none;
    z-index: 1;
}

.input-group input {
    padding-left: 36px;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.filter-tag button {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    padding: 0 2px;
    opacity: 0.7;
    transition: var(--transition);
}

.filter-tag button:hover {
    opacity: 1;
    color: var(--danger);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--secondary);
}

.btn-outline:hover {
    background: var(--light);
    border-color: var(--secondary);
    color: var(--dark);
}

/* Listing Buttons - for 未掲載商品 and 掲載削除待ち pages */
.listing-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    font-size: 11px;
    border-radius: 4px;
    transition: all 0.2s ease;
    min-width: 70px;
    justify-content: center;
}

.listing-btn .listing-btn-label {
    white-space: nowrap;
}

/* Not listed - RED button (needs action) */
.btn-not-listed {
    background: var(--danger);
    border: 1px solid var(--danger);
    color: white;
}

.btn-not-listed:hover {
    background: #c82333;
    border-color: #c82333;
    color: white;
}

/* Listed - MUTED/GRAY button (already done) */
.btn-listed {
    background: var(--light);
    border: 1px solid var(--border);
    color: var(--secondary);
    opacity: 0.7;
}

.btn-listed:hover {
    background: #e9ecef;
    opacity: 1;
}

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

/* Pending delete item styles */
.pending-delete-item.all-deleted {
    background: #f8fff8;
}

.listing-item, .pending-delete-item {
    transition: background 0.2s ease;
}

.listing-item:hover, .pending-delete-item:hover {
    background: #fafafa;
}

/* Action buttons - fixed size for 詳細 and 出荷 buttons */
.action-btn {
    width: 36px;
    height: 36px;
    min-width: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.action-btn i {
    font-size: 14px;
}

.flex-wrap {
    flex-wrap: wrap;
}

.justify-end {
    justify-content: flex-end;
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--secondary); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }

.hidden { display: none !important; }