/* ===========================================
   請求書/見積書ジェネレーター - スタイルシート
   =========================================== */

/* CSS Variables */
:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-secondary: #64748b;
  --color-danger: #dc2626;
  --color-success: #16a34a;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Base */
html {
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* App Container */
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Action Bar */
.action-bar {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.app-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text);
}

.action-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

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

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

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

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

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

.btn-danger:hover {
  background-color: #b91c1c;
}

.btn-small {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

.btn-add-item {
  width: 100%;
  margin-top: 0.5rem;
}

/* Main Content */
.main-content {
  display: flex;
  flex: 1;
  gap: 0;
}

/* Form Panel */
.form-panel {
  width: 50%;
  max-width: 600px;
  padding: 1.5rem;
  overflow-y: auto;
  background-color: var(--color-surface);
  border-right: 1px solid var(--color-border);
}

/* Form Sections */
.form-section {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.form-section:last-of-type {
  border-bottom: none;
}

.section-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Form Groups */
.form-group {
  margin-bottom: 0.75rem;
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.required {
  color: var(--color-danger);
}

.form-row {
  display: flex;
  gap: 1rem;
}

.form-row .form-group {
  flex: 1;
}

/* Form Inputs */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="number"],
input[type="file"],
select,
textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: var(--font-size-base);
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

input.error,
select.error,
textarea.error {
  border-color: var(--color-danger);
}

input[type="file"] {
  padding: 0.25rem;
}

textarea {
  resize: vertical;
  min-height: 60px;
}

/* Client Select */
.client-select {
  font-size: var(--font-size-sm);
  padding: 0.25rem 0.5rem;
  max-width: 200px;
}

/* Bank Details */
.bank-details {
  margin-top: 0.75rem;
  padding: 0.75rem;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
}

.bank-details summary {
  cursor: pointer;
  font-weight: 500;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.bank-details[open] summary {
  margin-bottom: 0.75rem;
}

/* Logo Preview */
.logo-preview {
  margin-top: 0.5rem;
}

.logo-preview img {
  max-width: 150px;
  max-height: 80px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

/* Items (明細) */
.items-header {
  display: grid;
  grid-template-columns: 1fr 100px 70px 100px 40px;
  gap: 0.5rem;
  padding: 0.5rem 0;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-light);
  border-bottom: 1px solid var(--color-border);
}

.items-container {
  margin-top: 0.5rem;
}

.item-row {
  display: grid;
  grid-template-columns: 1fr 100px 70px 100px 40px;
  gap: 0.5rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
}

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

.item-row input {
  padding: 0.375rem 0.5rem;
  font-size: var(--font-size-sm);
}

.item-amount {
  font-weight: 500;
  text-align: right;
  font-size: var(--font-size-sm);
}

.btn-remove-item {
  background: none;
  border: none;
  color: var(--color-danger);
  cursor: pointer;
  font-size: 1.25rem;
  padding: 0.25rem;
  opacity: 0.7;
  transition: opacity 0.15s ease;
}

.btn-remove-item:hover {
  opacity: 1;
}

/* Totals Section */
.totals-section {
  background-color: var(--color-bg);
  padding: 1rem;
  border-radius: var(--radius-md);
}

.totals-grid {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.totals-grid .form-group {
  flex: 1;
  margin-bottom: 0;
}

.discount-row {
  display: flex;
  gap: 0.5rem;
}

.discount-row select {
  width: 100px;
}

.discount-row input {
  flex: 1;
}

.totals-display {
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

.total-row {
  display: flex;
  justify-content: space-between;
  padding: 0.375rem 0;
  font-size: var(--font-size-sm);
}

.total-grand {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  border-top: 2px solid var(--color-border);
  margin-top: 0.5rem;
  padding-top: 0.75rem;
}

/* Privacy Notice */
.privacy-notice {
  margin-top: 2rem;
  padding: 1rem;
  background-color: #fef3c7;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  color: #92400e;
}

.privacy-notice p {
  margin-bottom: 0.5rem;
}

/* Preview Panel */
.preview-panel {
  flex: 1;
  background-color: var(--color-bg);
  padding: 2rem;
  overflow-y: auto;
  display: flex;
  justify-content: center;
}

.preview-container {
  width: 100%;
  max-width: 210mm;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.preview-content {
  padding: 15mm;
  min-height: 297mm;
  font-size: 10pt;
  line-height: 1.5;
}

/* Preview Styles */
.preview-header {
  text-align: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 3px double var(--color-text);
}

.preview-doc-type {
  font-size: 24pt;
  font-weight: 700;
  letter-spacing: 0.5em;
  margin-bottom: 0.5rem;
}

.preview-doc-no {
  font-size: 10pt;
  color: var(--color-text-light);
}

.preview-dates {
  text-align: right;
  font-size: 10pt;
  margin-bottom: 1.5rem;
}

.preview-parties {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
  gap: 2rem;
}

.preview-client {
  flex: 1;
}

.preview-client-name {
  font-size: 14pt;
  font-weight: 600;
  margin-bottom: 0.5rem;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--color-text);
}

.preview-client-name::after {
  content: " 御中";
  font-weight: normal;
}

.preview-client-details {
  font-size: 9pt;
  color: var(--color-text-light);
}

.preview-sender {
  text-align: right;
  flex: 1;
}

.preview-sender-logo {
  max-width: 100px;
  max-height: 50px;
  margin-bottom: 0.5rem;
}

.preview-sender-name {
  font-size: 12pt;
  font-weight: 600;
}

.preview-sender-details {
  font-size: 9pt;
  color: var(--color-text-light);
  white-space: pre-line;
}

.preview-total-box {
  background-color: var(--color-bg);
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.preview-total-label {
  font-size: 12pt;
  font-weight: 500;
}

.preview-total-amount {
  font-size: 20pt;
  font-weight: 700;
  color: var(--color-primary);
}

.preview-items-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 9pt;
}

.preview-items-table th {
  background-color: var(--color-bg);
  padding: 0.5rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--color-text);
}

.preview-items-table th:nth-child(2),
.preview-items-table th:nth-child(3),
.preview-items-table th:nth-child(4) {
  text-align: right;
  width: 80px;
}

.preview-items-table td {
  padding: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.preview-items-table td:nth-child(2),
.preview-items-table td:nth-child(3),
.preview-items-table td:nth-child(4) {
  text-align: right;
}

.preview-summary {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 2rem;
}

.preview-summary-table {
  width: 250px;
  font-size: 10pt;
}

.preview-summary-row {
  display: flex;
  justify-content: space-between;
  padding: 0.375rem 0;
  border-bottom: 1px solid var(--color-border);
}

.preview-summary-row.total {
  font-size: 12pt;
  font-weight: 700;
  border-bottom: 2px solid var(--color-text);
  border-top: 2px solid var(--color-text);
  padding: 0.5rem 0;
}

.preview-bank {
  background-color: var(--color-bg);
  padding: 1rem;
  margin-bottom: 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 9pt;
}

.preview-bank-title {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.preview-note {
  font-size: 9pt;
  color: var(--color-text-light);
  white-space: pre-line;
  padding: 1rem;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
}

.preview-note-title {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal[hidden] {
  display: none;
}

.modal-content {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  width: 90%;
  max-width: 500px;
  max-height: 80vh;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-light);
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  max-height: calc(80vh - 120px);
}

.modal-actions {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.modal-actions-secondary {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 0.5rem;
}

.btn-import {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Client List in Modal */
.client-list {
  margin-bottom: 1rem;
}

.client-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.client-list-item:hover {
  background-color: var(--color-bg);
}

.client-list-item-name {
  font-weight: 500;
}

.client-list-item-actions {
  display: flex;
  gap: 0.5rem;
}

.client-list-empty {
  text-align: center;
  color: var(--color-text-light);
  padding: 2rem;
}

/* Error Toast */
.error-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-danger);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 1100;
}

.error-toast[hidden] {
  display: none;
}

.toast-close {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 1.25rem;
  opacity: 0.8;
}

.toast-close:hover {
  opacity: 1;
}

/* Responsive */
@media (max-width: 1024px) {
  .main-content {
    flex-direction: column;
  }

  .form-panel {
    width: 100%;
    max-width: none;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .preview-panel {
    padding: 1rem;
  }

  .preview-container {
    max-width: 100%;
  }

  .preview-content {
    min-height: auto;
    padding: 10mm;
  }
}

@media (max-width: 640px) {
  .action-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .action-buttons {
    justify-content: center;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .items-header {
    display: none;
  }

  .item-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 1rem 0;
  }

  .item-row input::placeholder {
    font-size: var(--font-size-sm);
  }

  .totals-grid {
    flex-direction: column;
  }

  .preview-parties {
    flex-direction: column;
  }

  .preview-sender {
    text-align: left;
  }
}

/* ===========================================
   印刷用スタイル
   =========================================== */
@media print {
  /* 基本設定 */
  @page {
    size: A4;
    margin: 10mm;
  }

  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  body {
    background: white;
    font-size: 10pt;
  }

  /* 非表示にする要素 */
  .action-bar,
  .form-panel,
  .modal,
  .error-toast,
  .privacy-notice {
    display: none !important;
  }

  /* プレビューパネルを全画面に */
  .app-container,
  .main-content,
  .preview-panel {
    display: block;
    width: 100%;
    height: auto;
    padding: 0;
    margin: 0;
    background: white;
    overflow: visible;
  }

  .preview-container {
    box-shadow: none;
    border-radius: 0;
    max-width: none;
    width: 100%;
  }

  .preview-content {
    padding: 0;
    min-height: auto;
  }

  /* 色の調整 */
  .preview-header {
    border-bottom-color: #000;
  }

  .preview-total-box,
  .preview-bank,
  .preview-note {
    background-color: #f5f5f5;
  }

  .preview-items-table th {
    background-color: #f5f5f5;
    border-bottom-color: #000;
  }

  .preview-summary-row.total {
    border-color: #000;
  }

  /* 改ページ制御 */
  .preview-header,
  .preview-total-box {
    page-break-inside: avoid;
  }

  .preview-items-table {
    page-break-inside: auto;
  }

  .preview-items-table tr {
    page-break-inside: avoid;
  }
}