@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #311042 100%);
  --panel-bg: rgba(30, 41, 59, 0.7);
  --panel-border: rgba(255, 255, 255, 0.08);
  
  --primary: #818cf8;
  --primary-hover: #6366f1;
  --success: #34d399;
  --error: #f87171;
  --warning: #fbbf24;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-col: column;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ガラスモーフィズムパネル */
.glass-panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.6);
}

/* コンテナ */
.container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ヘッダー */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

h1 {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(to right, #ffffff, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

/* ナビゲーション */
.nav-links {
  display: flex;
  gap: 12px;
}

/* ボタン */
.btn {
  font-family: var(--font-sans);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
  color: white;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.4);
}

.btn-primary:disabled {
  background: #334155;
  color: var(--text-muted);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--error);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.2);
}

/* ドロップゾーン */
.dropzone {
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-smooth);
  background: rgba(255, 255, 255, 0.02);
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.04);
}

.dropzone-icon {
  width: 56px;
  height: 56px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--primary);
  transition: var(--transition-smooth);
}

.dropzone:hover .dropzone-icon {
  transform: scale(1.05);
}

.dropzone-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 6px;
}

.dropzone-desc {
  font-size: 14px;
  color: var(--text-secondary);
}

/* タスク・ファイルリスト */
.file-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.file-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  animation: fadeIn 0.3s ease-out;
}

.file-icon {
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-info {
  flex: 1;
  min-width: 0;
}

.file-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-status {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.status-badge {
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
}

.status-processing {
  background: rgba(251, 191, 36, 0.1);
  color: var(--warning);
}

.status-success {
  background: rgba(52, 211, 153, 0.1);
  color: var(--success);
}

.status-failed {
  background: rgba(248, 113, 113, 0.1);
  color: var(--error);
}

/* フォーム要素 */
.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.input-control {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  transition: var(--transition-smooth);
}

.input-control:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

/* トグルスイッチ */
.switch-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.1);
  transition: .3s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--primary);
}

input:checked + .slider:before {
  transform: translateX(20px);
}

/* ログイン画面専用 */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  width: 100%;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 40px;
}

.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-header h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.auth-header p {
  color: var(--text-secondary);
  font-size: 14px;
}

.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 24px 0;
  color: var(--text-muted);
  font-size: 12px;
}

.divider::before, .divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.divider:not(:empty)::before {
  margin-right: .5em;
}

.divider:not(:empty)::after {
  margin-left: .5em;
}

/* ローディングスピナー */
.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* トースト通知 */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: white;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 10px;
}

.toast-success { background: #10b981; }
.toast-error { background: #ef4444; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* 設定画面 */
.settings-section {
  padding: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.settings-section:last-child {
  border-bottom: none;
}

.settings-section-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.settings-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.settings-row-info {
  flex: 1;
}

.settings-row-title {
  font-size: 14px;
  font-weight: 500;
}

.settings-row-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* アラートボックス */
.alert {
  padding: 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  margin-bottom: 20px;
  border: 1px solid transparent;
}

.alert-warning {
  background: rgba(251, 191, 36, 0.08);
  border-color: rgba(251, 191, 36, 0.2);
  color: var(--warning);
}

/* 2カラム ドロップゾーンコンテナ */
.dropzone-container {
  display: flex;
  gap: 20px;
}

.dropzone-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.dropzone-label {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  text-align: center;
  color: var(--text-secondary);
}

#dropzone-expense:hover, #dropzone-expense.dragover {
  border-color: var(--success);
  background: rgba(52, 211, 153, 0.04);
}

@media (max-width: 600px) {
  .dropzone-container {
    flex-direction: column;
  }
}

/* 種別バッジ */
.type-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  margin-right: 8px;
  vertical-align: middle;
}
.badge-purchase {
  background: rgba(129, 140, 248, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(129, 140, 248, 0.3);
}
.badge-expense {
  background: rgba(52, 211, 153, 0.15);
  color: #6ee7b7;
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.dummy {
  display: none;
  
  margin-bottom: 24px;
}

/* 新規登録モード（グリーンベース） */
body.signup-mode {
  --primary: #34d399;
  --primary-hover: #10b981;
  --bg-gradient: linear-gradient(135deg, #022c22 0%, #064e3b 50%, #0f172a 100%);
}

body.signup-mode .btn-primary {
  background: linear-gradient(135deg, #34d399 0%, #059669 100%);
  box-shadow: 0 4px 12px rgba(52, 211, 153, 0.3);
}

body.signup-mode .btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(52, 211, 153, 0.4);
}

body.signup-mode #link-toggle-auth,
body.signup-mode #link-forgot-password {
  color: var(--primary);
}

body.signup-mode .input-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.15);
}