/* ==========================================================================
   Python Lab - Light Theme & Custom Component Styles
   ========================================================================== */

:root {
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --primary-500: #6366f1;
  --primary-600: #4f46e5;
  --primary-700: #4338ca;
  --success-50: #f0fdf4;
  --success-500: #22c55e;
  --success-600: #16a34a;
  --danger-50: #fef2f2;
  --danger-500: #ef4444;
  --danger-600: #dc2626;
  --warning-500: #f59e0b;
}

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans KR', sans-serif;
  background-color: #f1f5f9;
  color: #1e293b;
  -webkit-font-smoothing: antialiased;
}

/* 탭 버튼 커스텀 스타일 (폴더 탭 일체형 디자인) */
.main-tab-btn {
  position: relative;
  transition: all 0.2s ease-in-out;
  border-top-left-radius: 0.75rem;
  border-top-right-radius: 0.75rem;
}

.main-tab-btn.tab-active {
  background-color: #ffffff !important;
  color: #4338ca !important;
  border-top: 3px solid #4f46e5 !important;
  border-left: 1px solid #cbd5e1 !important;
  border-right: 1px solid #cbd5e1 !important;
  border-bottom: 1px solid #ffffff !important;
  font-weight: 700 !important;
  box-shadow: 0 -2px 6px -1px rgba(0, 0, 0, 0.05);
  z-index: 10;
  margin-bottom: -1px;
}

.main-tab-btn.tab-inactive {
  background-color: #e2e8f0 !important;
  color: #64748b !important;
  border-top: 3px solid transparent !important;
  border-left: 1px solid transparent !important;
  border-right: 1px solid transparent !important;
  border-bottom: 1px solid #cbd5e1 !important;
  font-weight: 600 !important;
}

.main-tab-btn.tab-inactive:hover {
  background-color: #f1f5f9 !important;
  color: #334155 !important;
}

/* CodeMirror 커스텀 밝은 테마 */
.CodeMirror {
  font-family: 'Fira Code', 'Cascadia Code', 'JetBrains Mono', Consolas, Monaco, monospace !important;
  font-size: 14px !important;
  line-height: 1.6 !important;
  height: 100% !important;
  background-color: #ffffff !important;
  color: #1e293b !important;
  border: none !important;
}

.CodeMirror-gutters {
  background-color: #f8fafc !important;
  border-right: 1px solid #e2e8f0 !important;
  color: #94a3b8 !important;
}

.CodeMirror-linenumber {
  color: #94a3b8 !important;
  padding: 0 8px 0 4px !important;
}

.CodeMirror-cursor {
  border-left: 2px solid #4f46e5 !important;
}

.CodeMirror-selected {
  background: #e0e7ff !important;
}

.CodeMirror-focused .CodeMirror-selected {
  background: #c7d2fe !important;
}

/* 문법 강조 라이트 테마 */
.cm-s-default .cm-keyword { color: #8b5cf6; font-weight: 600; }
.cm-s-default .cm-atom { color: #ec4899; }
.cm-s-default .cm-number { color: #0284c7; }
.cm-s-default .cm-def { color: #2563eb; font-weight: 600; }
.cm-s-default .cm-variable { color: #1e293b; }
.cm-s-default .cm-variable-2 { color: #0891b2; }
.cm-s-default .cm-operator { color: #d97706; }
.cm-s-default .cm-comment { color: #64748b; font-style: italic; }
.cm-s-default .cm-string { color: #16a34a; }
.cm-s-default .cm-string-2 { color: #059669; }
.cm-s-default .cm-builtin { color: #4f46e5; }
.cm-s-default .cm-bracket { color: #64748b; }

/* REPL 터미널 창 스타일 */
.repl-container {
  font-family: 'Fira Code', 'Cascadia Code', Consolas, monospace;
  background-color: #0f172a;
  color: #f8fafc;
  border-radius: 0.75rem;
  overflow-y: auto;
  box-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
}

.repl-prompt {
  color: #38bdf8;
  font-weight: bold;
}

.repl-input {
  background: transparent;
  border: none;
  outline: none;
  color: #f8fafc;
  font-family: inherit;
  font-size: inherit;
  width: 100%;
  caret-color: #38bdf8;
}

.repl-output-stdout {
  color: #a7f3d0;
  white-space: pre-wrap;
  word-break: break-all;
}

.repl-output-stderr {
  color: #fca5a5;
  white-space: pre-wrap;
  word-break: break-all;
}

.repl-output-return {
  color: #fed7aa;
  white-space: pre-wrap;
  word-break: break-all;
}

/* 터미널 출력창 스타일 (에디터 하단) */
.console-output {
  font-family: 'Fira Code', Consolas, monospace;
  font-size: 13.5px;
  line-height: 1.5;
  background-color: #0f172a;
  color: #e2e8f0;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* 바둑판 (Matrix Grid) 스타일 */
.matrix-table {
  border-collapse: separate;
  border-spacing: 6px;
}

.matrix-cell {
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  min-width: 68px;
  height: 48px;
}

.matrix-cell:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* 셀 상태별 디자인 */
.cell-success {
  background-color: #dcfce7;
  color: #15803d;
  border: 1.5px solid #86efac;
}

.cell-incomplete {
  background-color: #fee2e2;
  color: #b91c1c;
  border: 1.5px solid #fca5a5;
}

.cell-modified {
  position: relative;
}

.cell-modified::after {
  content: '수정';
  position: absolute;
  top: -4px;
  right: -4px;
  background-color: #f59e0b;
  color: #ffffff;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 9999px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

.cell-none {
  background-color: #f1f5f9;
  color: #94a3b8;
  border: 1px dashed #cbd5e1;
}

/* 토스트 알림 애니메이션 */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translate(-50%, -20px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.toast-message {
  animation: slideDown 0.3s ease-out forwards;
}

/* 스크롤바 모던 커스텀 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}