:root {
  --bg-color: #070d09;
  --panel-bg: rgba(10, 22, 14, 0.88);
  --primary: #33ff66;
  --dim: #1c8c3b;
  --accent: #a6ffbe;
  --danger: #ff4455;
  --font-main: 'JetBrains Mono', monospace;
  --font-size: 16px;
  --term-width: 92%;
  --grid-gap: 14px;
  --glow-radius: 6px;
}

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

html, body {
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-color);
  color: var(--primary);
  font-family: var(--font-main);
  font-size: var(--font-size);
  line-height: 1.45;
  overflow-x: hidden;
}

::selection {
  background: var(--primary);
  color: var(--bg-color);
}

#matrix-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.22;
}

.terminal-container {
  position: relative;
  z-index: 2;
  width: var(--term-width);
  max-width: 1600px;
  min-height: 94vh;
  margin: 2vh auto;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--primary);
  background: var(--panel-bg);
  box-shadow: 0 0 calc(var(--glow-radius) * 1.8) rgba(0, 0, 0, 0.85),
              inset 0 0 calc(var(--glow-radius) * 0.8) rgba(51, 255, 102, 0.08);
  padding: 1rem;
  gap: 1rem;
}

/* Header & Navigation */
.tui-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--dim);
}

.header-left, .header-actions, .view-switcher {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.prompt-badge {
  background: var(--primary);
  color: var(--bg-color);
  padding: 0.15rem 0.5rem;
  font-weight: 700;
}

.sys-stat {
  color: var(--accent);
  text-shadow: 0 0 var(--glow-radius) var(--primary);
}

/* Buttons */
.tui-btn {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--dim);
  padding: 0.3rem 0.65rem;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.12s ease;
  text-shadow: 0 0 var(--glow-radius) var(--primary);
}

.tui-btn:hover, .tui-btn.active {
  background: var(--primary);
  color: var(--bg-color);
  border-color: var(--primary);
  text-shadow: none;
  box-shadow: 0 0 var(--glow-radius) var(--primary);
}

.btn-accent {
  border-color: var(--primary);
  font-weight: 700;
}

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

.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

/* Filter & Search Bar */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.category-tabs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.cat-tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--dim);
  padding: 0.2rem 0.55rem;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

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

.cat-tab.active {
  color: var(--bg-color);
  background: var(--primary);
  font-weight: 700;
}

.search-box {
  display: flex;
  align-items: center;
  border: 1px solid var(--dim);
  padding: 0.2rem 0.5rem;
  background: rgba(0, 0, 0, 0.35);
}

.search-prefix, .search-suffix {
  color: var(--dim);
  font-size: 0.85rem;
}

#search-input {
  background: transparent;
  border: none;
  color: var(--primary);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  width: 170px;
}

/* Apps Grid & Views */
#apps-viewport {
  flex: 1;
}

.apps-grid.view-box {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--grid-gap);
  align-content: start;
}

.apps-grid.view-compact {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: calc(var(--grid-gap) * 0.75);
  align-content: start;
}

.apps-grid.view-table {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* App Card (Box Mode) */
.app-card {
  position: relative;
  border: 1px solid var(--dim);
  background: rgba(0, 0, 0, 0.35);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.5rem;
  transition: transform 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.app-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 var(--glow-radius) var(--primary);
  transform: translateY(-2px);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dotted var(--dim);
  padding-bottom: 0.4rem;
}

.app-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}

.app-icon {
  display: inline-block;
  padding: 0.1rem 0.35rem;
  border: 1px solid var(--primary);
  font-size: 0.85rem;
}

.app-cmd-badge {
  font-size: 0.78rem;
  color: var(--bg-color);
  background: var(--primary);
  padding: 0.05rem 0.35rem;
  font-weight: 700;
}

.app-desc {
  font-size: 0.85rem;
  color: var(--accent);
  opacity: 0.85;
  min-height: 1.3em;
}

.card-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--dim);
  padding-top: 0.3rem;
}

.card-actions {
  display: flex;
  gap: 0.35rem;
}

.card-action-btn {
  background: transparent;
  border: none;
  color: var(--dim);
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}

.card-action-btn:hover {
  color: var(--primary);
  text-decoration: underline;
}

/* Compact Mode Adjustments */
.view-compact .app-desc,
.view-compact .card-bottom {
  display: none;
}

.view-compact .card-top {
  border-bottom: none;
  padding-bottom: 0;
}

/* UNIX Table Mode (ls -l) */
.table-row {
  display: grid;
  grid-template-columns: 95px 80px 70px 1.2fr 2fr 90px;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.6rem;
  border-bottom: 1px dotted rgba(255, 255, 255, 0.08);
  font-size: 0.9rem;
  cursor: pointer;
}

.table-row:hover {
  background: rgba(255, 255, 255, 0.06);
}

.table-header {
  font-weight: 700;
  border-bottom: 1px solid var(--primary);
  color: var(--accent);
  cursor: default;
}

/* CLI Section */
.cli-section {
  border-top: 1px solid var(--primary);
  padding-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cli-output {
  max-height: 135px;
  overflow-y: auto;
  font-size: 0.88rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-right: 0.5rem;
}

.cli-line.muted { color: var(--dim); }
.cli-line .hl { color: var(--accent); font-weight: 700; }

.cli-input-row {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--dim);
  padding: 0.45rem 0.65rem;
}

.cli-input-row:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 var(--glow-radius) var(--primary);
}

.cli-prompt {
  font-weight: 700;
  white-space: nowrap;
}

.cli-input-wrapper {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

#cli-input {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--primary);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  caret-color: var(--primary);
}

/* Footer */
.tui-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  font-size: 0.78rem;
  color: var(--dim);
  border-top: 1px dashed var(--dim);
  padding-top: 0.5rem;
}

.right-stat {
  margin-left: auto;
  color: var(--primary);
}

/* Modals */
.tui-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.tui-modal.hidden {
  display: none;
}

.tui-modal-window {
  width: 100%;
  max-width: 540px;
  background: var(--bg-color);
  border: 2px solid var(--primary);
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.95);
  max-height: 90vh;
  overflow-y: auto;
}

.tui-modal-window.modal-large {
  max-width: 780px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--primary);
  color: var(--bg-color);
  padding: 0.5rem 0.8rem;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--bg-color);
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
}

.modal-body {
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1rem;
}

.tui-fieldset {
  border: 1px solid var(--dim);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.tui-fieldset legend {
  padding: 0 0.4rem;
  font-weight: 700;
  color: var(--accent);
}

.form-row, .form-Row-inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-group label {
  font-size: 0.83rem;
  color: var(--accent);
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group select {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--dim);
  color: var(--primary);
  padding: 0.45rem;
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--primary);
}

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

.color-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.8rem;
}

.color-item input[type="color"] {
  width: 55px;
  height: 32px;
  border: 1px solid var(--primary);
  background: transparent;
  cursor: pointer;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.88rem;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.modal-actions, .backup-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  flex-wrap: wrap;
  padding: 0.75rem 1.1rem;
  border-top: 1px dashed var(--dim);
}

.backup-actions {
  justify-content: flex-start;
  padding: 0.2rem 0 0 0;
  border-top: none;
}

.muted-small {
  font-size: 0.8rem;
  color: var(--dim);
}

@media (max-width: 720px) {
  .form-row, .form-Row-inline {
    grid-template-columns: 1fr;
  }
  .table-row {
    grid-template-columns: 70px 1fr 1fr;
  }
  .table-row .hide-mobile {
    display: none;
  }
}