/* ==========================================================================
   TRUE STUDIO — CLOUD FILE EXPLORER & IDE EDITOR STYLES (RESPONSIVE)
   ========================================================================== */

:root {
  --fe-header-h: 70px;
  --fe-footer-h: 34px;
  --fe-bg-dark: #121717;
  --fe-bg-editor: #161C1C;
  --fe-editor-gutter: #1A2222;
  --fe-editor-border: rgba(255, 255, 255, 0.08);
}

.hidden {
  display: none !important;
}

#fe-browser-view.hidden,
#fe-editor-view.hidden {
  display: none !important;
}

.fe-standalone-body {
  background: var(--bg-base);
  color: var(--text-dark);
  font-family: var(--font-unified);
  margin: 0;
  padding: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ================= TOP HEADER ================= */
.fe-app-header {
  background: #FFFFFF;
  border-bottom: 1px solid rgba(26, 33, 33, 0.08);
  display: flex;
  flex-direction: column;
  padding: 10px 20px 8px 20px;
  flex-shrink: 0;
  gap: 8px;
  z-index: 10;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
}

.fe-header-main-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.fe-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fe-back-dashboard-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-inner);
  border: 1px solid rgba(26, 33, 33, 0.1);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-dark);
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.fe-back-dashboard-btn:hover {
  background: var(--color-coral-dim);
  border-color: var(--color-coral);
  color: var(--color-coral);
  transform: translateX(-2px);
}

.fe-brand-divider {
  width: 1px;
  height: 22px;
  background: rgba(26, 33, 33, 0.1);
}

.fe-brand-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.fe-brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-coral-dim);
  color: var(--color-coral);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}

.fe-brand-title h2 {
  font-size: 14.5px;
  font-weight: 800;
  margin: 0;
  color: var(--text-dark);
  line-height: 1.2;
  white-space: nowrap;
}

.fe-server-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.fe-header-shortcuts {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.fe-header-shortcuts::-webkit-scrollbar {
  display: none;
}

.fe-sc-chip {
  background: var(--bg-inner);
  border: 1px solid rgba(26, 33, 33, 0.08);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.15s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.fe-sc-chip:hover {
  border-color: var(--color-coral);
  color: var(--color-coral);
  background: #FFFFFF;
}

.fe-header-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.fe-tool-btn {
  background: #FFFFFF;
  border: 1px solid rgba(26, 33, 33, 0.12);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.fe-tool-btn:hover {
  background: var(--color-coral-dim);
  border-color: var(--color-coral);
  color: var(--color-coral);
}

/* ================= WORKSPACE ================= */
.fe-workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 12px 16px;
  gap: 10px;
  overflow: hidden;
}

/* Breadcrumbs & Filter Bar */
.fe-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: #FFFFFF;
  border: 1px solid rgba(26, 33, 33, 0.08);
  border-radius: var(--radius-md);
  padding: 6px 12px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.fe-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  scrollbar-width: none;
}

.fe-breadcrumbs::-webkit-scrollbar {
  display: none;
}

.fe-crumb {
  color: var(--text-muted);
  cursor: pointer;
  padding: 3px 6px;
  border-radius: 6px;
  transition: all 0.15s ease;
  font-weight: 600;
  white-space: nowrap;
}

.fe-crumb:hover {
  background: var(--bg-inner);
  color: var(--color-coral);
}

.fe-crumb.active {
  color: var(--text-dark);
  font-weight: 800;
}

.fe-crumb-sep {
  color: rgba(26, 33, 33, 0.3);
  font-size: 11px;
}

.fe-nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fe-filter-box {
  display: flex;
  align-items: center;
  background: var(--bg-inner);
  border: 1px solid rgba(26, 33, 33, 0.08);
  border-radius: var(--radius-full);
  padding: 4px 10px;
  gap: 6px;
  width: 180px;
}

.fe-filter-box input {
  border: none;
  background: transparent;
  font-size: 11.5px;
  font-family: inherit;
  color: var(--text-dark);
  width: 100%;
  outline: none;
}

.fe-nav-action-btn {
  background: var(--bg-inner);
  border: 1px solid rgba(26, 33, 33, 0.1);
  padding: 5px 10px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
}

.fe-nav-action-btn:hover {
  background: #FFFFFF;
  border-color: var(--color-coral);
  color: var(--color-coral);
}

/* ================= VIEW 1: BROWSER CARD ================= */
.fe-view-card {
  flex: 1;
  height: 100%;
  background: #FFFFFF;
  border: 1px solid rgba(26, 33, 33, 0.08);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.fe-table-container {
  flex: 1;
  height: 100%;
  overflow-y: auto;
}

.fe-files-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.fe-files-table th {
  background: #FAFBFB;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid rgba(26, 33, 33, 0.08);
  position: sticky;
  top: 0;
  z-index: 2;
}

.fe-files-table td {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(26, 33, 33, 0.04);
  font-size: 13px;
  vertical-align: middle;
}

.fe-files-table tbody tr {
  cursor: pointer;
  transition: background 0.15s ease;
}

.fe-files-table tbody tr:hover {
  background: rgba(255, 95, 86, 0.035);
}

.fe-name-col {
  display: flex;
  align-items: center;
  gap: 10px;
}

.fe-type-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.fe-item-title-wrap {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.fe-item-title-wrap strong {
  font-size: 13px;
  font-weight: 700;
  word-break: break-word;
}

.fe-item-meta-sub {
  display: none;
  font-size: 10.5px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 1px;
}

.fe-icon-folder { color: #FFAA2C; }
.fe-icon-js { color: #F7DF1E; }
.fe-icon-json { color: #2ECC71; }
.fe-icon-env { color: #E74C3C; }
.fe-icon-sh { color: #9B59B6; }
.fe-icon-file { color: var(--text-muted); }
.fe-icon-img { color: #3498DB; }

.fe-row-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.fe-row-btn {
  background: var(--bg-inner);
  border: 1px solid rgba(26, 33, 33, 0.08);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  transition: all 0.15s ease;
}

.fe-row-btn:hover {
  background: #FFFFFF;
  border-color: var(--color-coral);
  color: var(--color-coral);
}

.fe-row-btn.text-pink:hover {
  border-color: #FF5F56;
  color: #FF5F56;
}

/* ================= VIEW 2: FULL-SCREEN CLOUD IDE EDITOR ================= */
.fe-editor-card {
  flex: 1;
  height: 100%;
  background: var(--fe-bg-editor);
  border: 1px solid var(--fe-editor-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.25);
}

.fe-ide-top-bar {
  background: var(--fe-bg-dark);
  border-bottom: 1px solid var(--fe-editor-border);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.fe-ide-file-tab {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fe-ide-file-icon {
  font-size: 15px;
}

.fe-ide-file-tab strong {
  font-size: 13.5px;
  color: #FFFFFF;
  font-weight: 800;
}

.fe-ide-filepath {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
}

.fe-ide-status-badge {
  background: rgba(46, 204, 113, 0.15);
  color: #2ECC71;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.fe-ide-status-badge.unsaved {
  background: rgba(255, 95, 86, 0.15);
  color: var(--color-coral);
}

.fe-ide-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fe-ide-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
}

.fe-ide-editor-container {
  flex: 1;
  height: 100%;
  display: flex;
  background: var(--fe-bg-editor);
  overflow: hidden;
  position: relative;
}

.fe-ide-line-numbers {
  width: 44px;
  background: var(--fe-editor-gutter);
  color: rgba(255, 255, 255, 0.25);
  font-family: 'Fira Code', Consolas, Monaco, monospace;
  font-size: 13px;
  line-height: 1.6;
  text-align: right;
  padding: 14px 8px;
  user-select: none;
  overflow: hidden;
  border-right: 1px solid var(--fe-editor-border);
}

.fe-ide-textarea {
  flex: 1;
  height: 100%;
  background: transparent;
  color: #E8F0F0;
  font-family: 'Fira Code', Consolas, Monaco, monospace;
  font-size: 13.5px;
  line-height: 1.6;
  padding: 14px 16px;
  border: none;
  outline: none;
  resize: none;
  tab-size: 2;
  white-space: pre;
  overflow-y: auto;
  overflow-x: auto;
}

/* ================= STATUS BAR ================= */
.fe-status-bar {
  height: var(--fe-footer-h);
  background: #FFFFFF;
  border-top: 1px solid rgba(26, 33, 33, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.fe-sb-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fe-sb-divider {
  color: rgba(26, 33, 33, 0.2);
}

/* ================= MOBILE RESPONSIVENESS (< 640px) ================= */
@media (max-width: 640px) {
  .fe-workspace {
    padding: 8px 10px;
    gap: 8px;
  }

  .fe-app-header {
    padding: 8px 12px 6px 12px;
  }

  .fe-header-main-row {
    gap: 8px;
  }

  .fe-brand-title h2 {
    display: none;
  }

  .fe-tool-btn span {
    display: none;
  }

  .fe-tool-btn {
    padding: 6px 10px;
  }

  .fe-nav-bar {
    padding: 6px 8px;
    gap: 6px;
  }

  .fe-filter-box {
    width: 130px;
  }

  .fe-col-size,
  .fe-col-date {
    display: none !important;
  }

  .fe-item-meta-sub {
    display: block;
  }

  .fe-files-table td,
  .fe-files-table th {
    padding: 8px 10px;
  }

  .fe-row-btn span {
    display: none;
  }

  .fe-ide-meta,
  .fe-ide-filepath {
    display: none;
  }

  .fe-ide-line-numbers {
    width: 32px;
    font-size: 11px;
    padding: 12px 4px;
  }

  .fe-ide-textarea {
    font-size: 12.5px;
    padding: 12px 10px;
  }

  .fe-status-bar {
    font-size: 10px;
    padding: 0 10px;
  }
}