/* S.T.A.L.K.E.R. d20 — Tactical PDA OS 3.4 Professional HUD */
:root {
  --bg-darkest: #070908;
  --bg-deep: #0b100d;
  --bg-pda: #0f1612;
  --bg-card: #131c16;
  --bg-card-header: #19251d;
  --bg-card-hover: #1c2a21;
  --bg-inset: #090e0b;
  --bg-input: #080c09;

  --border-dim: #1e2c22;
  --border-pda: #2b3e30;
  --border-highlight: #3f5d47;
  --border-accent: #22c55e;

  --text-bright: #ffffff;
  --text-main: #d3ded6;
  --text-dim: #7f9986;
  --text-dark: #4d6353;

  --green-stalker: #22c55e;
  --green-glow: rgba(34, 197, 94, 0.25);
  --amber-stalker: #f59e0b;
  --amber-glow: rgba(245, 158, 11, 0.25);
  --red-radiation: #ef4444;
  --red-glow: rgba(239, 68, 68, 0.25);
  --cyan-psi: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.25);
  --blue-merc: #38bdf8;

  --font-pda: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-darkest);
  background-image: 
    radial-gradient(ellipse 1000px 600px at 50% 0%, rgba(34, 197, 94, 0.07), transparent 80%),
    linear-gradient(rgba(30, 44, 34, 0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 44, 34, 0.25) 1px, transparent 1px);
  background-size: 100% 100%, 28px 28px, 28px 28px;
  color: var(--text-main);
  font-family: var(--font-pda);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* SVG ICON STANDARD */
.pda-icon {
  width: 18px;
  height: 18px;
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.pda-icon.sm { width: 14px; height: 14px; }
.pda-icon.lg { width: 22px; height: 22px; }

/* TOP STATUS BAR (PDA HUD) */
.pda-statusbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 16, 13, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--border-pda);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
  padding: 10px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.pda-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pda-logo-badge {
  width: 34px;
  height: 34px;
  background: #080d0a;
  border: 1.5px solid var(--green-stalker);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green-stalker);
  box-shadow: 0 0 12px var(--green-glow), inset 0 0 8px rgba(34, 197, 94, 0.2);
}

.pda-title-group h1 {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: #fff;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pda-title-group span {
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.pda-metrics {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  flex-wrap: wrap;
}

.metric-pill {
  background: #090e0b;
  border: 1px solid var(--border-dim);
  padding: 4px 10px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
  transition: border-color 0.2s;
}

.metric-pill.rad {
  border-color: rgba(245, 158, 11, 0.4);
  color: var(--amber-stalker);
}

.metric-pill.psi {
  border-color: rgba(6, 182, 212, 0.4);
  color: var(--cyan-psi);
}

.metric-pill.signal {
  border-color: rgba(34, 197, 94, 0.4);
  color: var(--green-stalker);
}

/* NAVIGATION TABS BAR */
.pda-nav-wrapper {
  background: #0c120e;
  border-bottom: 2px solid var(--border-pda);
  position: sticky;
  top: 54px;
  z-index: 95;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: thin;
  scrollbar-color: var(--border-highlight) transparent;
}

.pda-nav-tabs {
  display: flex;
  padding: 6px 14px;
  gap: 8px;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-tab {
  background: var(--bg-deep);
  border: 1px solid var(--border-dim);
  border-radius: 6px;
  color: var(--text-dim);
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-tab:hover {
  background: var(--bg-card);
  color: #fff;
  border-color: var(--border-highlight);
}

.nav-tab.active {
  background: var(--bg-card-header);
  color: var(--green-stalker);
  border-color: var(--green-stalker);
  box-shadow: 0 0 14px rgba(34, 197, 94, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.nav-tab.active .pda-icon {
  stroke: var(--green-stalker);
}

/* MAIN CONTENT */
.pda-main {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 18px;
}

.tab-pane {
  display: none;
  animation: tabFadeIn 0.25s ease-out;
}

.tab-pane.active {
  display: block;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* SEARCH & CONTROLS */
.pda-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  border: 1px solid var(--border-pda);
  padding: 12px 16px;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 260px;
}

.search-box input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-pda);
  border-radius: 6px;
  padding: 10px 14px 10px 40px;
  color: #fff;
  font-family: var(--font-pda);
  font-size: 14px;
  outline: none;
  transition: all 0.2s;
}

.search-box input:focus {
  border-color: var(--green-stalker);
  box-shadow: 0 0 10px var(--green-glow);
  background: #0c120e;
}

.search-box svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  width: 16px;
  height: 16px;
}

.category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip-btn {
  background: var(--bg-deep);
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  color: var(--text-dim);
  padding: 7px 13px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chip-btn:hover {
  border-color: var(--border-highlight);
  color: #fff;
  background: var(--bg-card-header);
}

.chip-btn.active {
  background: var(--border-pda);
  border-color: var(--green-stalker);
  color: var(--green-stalker);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.2);
}

/* SECTION TITLES */
.section-headline {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0 16px 0;
  border-bottom: 2px solid var(--border-pda);
  padding-bottom: 8px;
}

.section-headline h3 {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #fff;
  text-transform: uppercase;
}

.section-headline .sec-badge {
  font-size: 11px;
  font-family: var(--font-mono);
  background: var(--bg-card-header);
  border: 1px solid var(--border-highlight);
  color: var(--green-stalker);
  padding: 2px 8px;
  border-radius: 4px;
}

/* MASTER-DETAIL 2-COLUMN VIEW (FOR CLASSES & ORIGINS) */
.pda-master-detail {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 900px) {
  .pda-master-detail {
    grid-template-columns: 1fr;
  }
}

.master-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.master-item-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-pda);
  border-radius: 6px;
  padding: 12px 16px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.master-item-card:hover {
  border-color: var(--border-highlight);
  background: var(--bg-card-hover);
  transform: translateX(3px);
}

.master-item-card.active {
  border-color: var(--green-stalker);
  background: var(--bg-card-header);
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.2);
}

.detail-panel {
  background: var(--bg-card);
  border: 1.5px solid var(--border-pda);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.6);
  min-height: 400px;
}

/* COLLAPSIBLE ACCORDION CARDS (FOR WEAPONS & ARMOR) */
.collapsible-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-pda);
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  transition: border-color 0.2s;
}

.collapsible-card:hover {
  border-color: var(--border-highlight);
}

.card-summary {
  background: var(--bg-card-header);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  gap: 10px;
}

.card-summary-title {
  font-weight: 800;
  font-size: 15px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-summary-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.chevron-icon {
  width: 18px;
  height: 18px;
  transition: transform 0.2s ease;
  stroke: var(--text-dim);
}

.collapsible-card.open .chevron-icon {
  transform: rotate(180deg);
  stroke: var(--green-stalker);
}

.card-expand-body {
  display: none;
  padding: 16px;
  background: var(--bg-card);
  border-top: 1px solid var(--border-pda);
}

.collapsible-card.open .card-expand-body {
  display: block;
}

/* CARDS GRID SYSTEM */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 20px;
}

.cards-grid.large {
  grid-template-columns: repeat(auto-fill, minmax(440px, 1fr));
}

.pda-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-pda);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.6);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.pda-card:hover {
  border-color: var(--border-highlight);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.8), 0 0 12px rgba(34, 197, 94, 0.12);
  transform: translateY(-2px);
}

.card-header {
  background: var(--bg-card-header);
  border-bottom: 1px solid var(--border-pda);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.card-title {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
}

.card-subtitle {
  font-size: 12px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  margin-top: 2px;
}

.card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

/* BADGES */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.badge-green { background: rgba(34, 197, 94, 0.12); border: 1px solid var(--green-stalker); color: var(--green-stalker); }
.badge-amber { background: rgba(245, 158, 11, 0.12); border: 1px solid var(--amber-stalker); color: var(--amber-stalker); }
.badge-red { background: rgba(239, 68, 68, 0.12); border: 1px solid var(--red-radiation); color: var(--red-radiation); }
.badge-cyan { background: rgba(6, 182, 212, 0.12); border: 1px solid var(--cyan-psi); color: var(--cyan-psi); }
.badge-safe { background: rgba(34, 197, 94, 0.18); border: 1px solid #86efac; color: #86efac; }
.badge-warn { background: rgba(245, 158, 11, 0.18); border: 1px solid #fde047; color: #fde047; }
.badge-danger { background: rgba(239, 68, 68, 0.18); border: 1px solid #fca5a5; color: #fca5a5; }
.badge-critical { background: #5a1111; border: 1px solid #ef4444; color: #fee2e2; }

/* DATA TABLES & SPECS ROWS */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: 8px 0;
}

.specs-table tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.specs-table tr:last-child {
  border-bottom: none;
}

.specs-table td {
  padding: 6px 4px;
}

.specs-table td.label {
  color: var(--text-dim);
  width: 44%;
}

.specs-table td.val {
  color: #fff;
  font-weight: 600;
  text-align: right;
  font-family: var(--font-mono);
}

.clickable-dice {
  color: var(--amber-stalker);
  cursor: pointer;
  text-decoration: underline dotted;
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(245, 158, 11, 0.12);
  transition: all 0.15s;
  display: inline-block;
}

.clickable-dice:hover {
  background: var(--amber-stalker);
  color: #000;
  text-decoration: none;
}

/* STATBLOCK GRID */
.statblock-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
  background: var(--bg-inset);
  border: 1px solid var(--border-pda);
  padding: 10px 6px;
  border-radius: 6px;
  margin: 12px 0;
  text-align: center;
}

.stat-box {
  background: #101612;
  border: 1px solid var(--border-dim);
  border-radius: 4px;
  padding: 4px 2px;
}

.stat-box .stat-label {
  font-size: 9px;
  color: var(--text-dim);
  font-weight: 800;
  letter-spacing: 0.5px;
}

.stat-box .stat-val {
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  font-family: var(--font-mono);
}

.stat-box .stat-mod {
  font-size: 11px;
  font-weight: 700;
  color: var(--green-stalker);
  font-family: var(--font-mono);
}

.stat-section-title {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--amber-stalker);
  border-bottom: 1px solid var(--border-pda);
  padding-bottom: 4px;
  margin: 14px 0 8px 0;
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.5px;
}

.action-item {
  font-size: 13px;
  margin-bottom: 10px;
  line-height: 1.45;
  background: rgba(0, 0, 0, 0.2);
  border-left: 3px solid var(--border-highlight);
  padding: 6px 10px;
  border-radius: 0 4px 4px 0;
}

.action-name {
  font-weight: 700;
  color: #fff;
}

/* CHARACTER SHEET EDITOR */
.char-sheet-editor {
  background: var(--bg-card);
  border: 1.5px solid var(--border-pda);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.6);
}

.char-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.char-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 860px) {
  .char-grid-2, .char-grid-3 {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-pda);
  border-radius: 6px;
  padding: 9px 12px;
  color: #fff;
  font-family: var(--font-pda);
  font-size: 14px;
  outline: none;
  transition: all 0.2s;
}

.form-control:focus {
  border-color: var(--green-stalker);
  box-shadow: 0 0 10px var(--green-glow);
  background: #0b110e;
}

select.form-control {
  cursor: pointer;
}

select.form-control option {
  background: #111a14;
  color: #fff;
}

/* BUTTONS */
.btn {
  background: #17241c;
  border: 1.5px solid var(--green-stalker);
  color: var(--green-stalker);
  padding: 11px 20px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.btn:hover {
  background: var(--green-stalker);
  color: #000;
  box-shadow: 0 0 18px var(--green-glow);
}

.btn:hover .pda-icon {
  stroke: #000;
}

.btn.btn-amber {
  background: #251b0c;
  border-color: var(--amber-stalker);
  color: var(--amber-stalker);
}

.btn.btn-amber:hover {
  background: var(--amber-stalker);
  color: #000;
  box-shadow: 0 0 18px var(--amber-glow);
}

.btn.btn-red {
  background: #261111;
  border-color: var(--red-radiation);
  color: var(--red-radiation);
}

.btn.btn-red:hover {
  background: var(--red-radiation);
  color: #fff;
  box-shadow: 0 0 18px var(--red-glow);
}

/* FLOATING DICE TRAY */
.dice-tray {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.dice-btn-main {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #121c15;
  border: 2px solid var(--green-stalker);
  color: var(--green-stalker);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.8), 0 0 15px var(--green-glow);
  transition: transform 0.2s;
}

.dice-btn-main:hover {
  transform: scale(1.08);
}

.dice-popup {
  display: none;
  background: rgba(14, 21, 17, 0.98);
  border: 1.5px solid var(--border-highlight);
  border-radius: 8px;
  padding: 16px;
  width: 320px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
}

.dice-popup.open {
  display: block;
}

.dice-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-bottom: 12px;
}

.dice-sub-btn {
  background: #0e1510;
  border: 1px solid var(--border-pda);
  color: #fff;
  border-radius: 4px;
  padding: 8px 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.dice-sub-btn:hover {
  border-color: var(--green-stalker);
  color: var(--green-stalker);
  background: var(--bg-card-header);
}

.dice-log {
  height: 120px;
  overflow-y: auto;
  background: var(--bg-inset);
  border: 1px solid var(--border-pda);
  border-radius: 6px;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
  .pda-statusbar {
    padding: 8px 12px;
  }
  .pda-title-group h1 {
    font-size: 14px;
  }
  .pda-metrics {
    gap: 6px;
    font-size: 11px;
  }
  .metric-pill {
    padding: 3px 6px;
  }
  .pda-main {
    padding: 14px 10px;
  }
  .cards-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .statblock-grid {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 8px;
  }
  .pda-controls {
    padding: 10px;
  }
}