/* ── Design Tokens — Black Ops II Palette ────────────────────────────────── */
:root {
  --bg:            #141414;
  --bg-panel:      #1c1c1c;
  --bg-slot:       #252525;
  --bg-slot-fill:  #1e2820;
  --bg-locked:     #111111;
  --bg-wc-active:  #3d1008;
  --bg-perk1:      #0f2218;
  --bg-perk2:      #0d1f2a;
  --bg-perk3:      #2a1408;
  --bg-grenade:    #1e1a0e;

  --orange:        #f08000;
  --orange-dim:    #7c4200;
  --orange-dark:   #3a1e00;
  --green-dim:     #2a5c38;
  --blue-dim:      #1a3a5c;
  --red-wc:        #c02010;

  --border:        #2e2e2e;
  --border-active: #f08000;
  --border-locked: #1a1a1a;
  --border-perk1:  #1e4a2e;
  --border-perk2:  #1a3850;
  --border-perk3:  #4a2010;

  --text:          #e8eaec;
  --text-dim:      #808890;
  --text-locked:   #303030;
  --text-orange:   #f08000;
  --text-perk:     #d4e8d0;

  --font:          'Barlow Condensed', 'Arial Narrow', Arial, sans-serif;
  --font-body:     'Barlow', Arial, sans-serif;
}

/* ── Reset ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  color: var(--text);
  font-family: var(--font);
  font-weight: 500;
  min-height: 100vh;
  background-color: #0a0a0a;
  background-image: url('https://images7.alphacoders.com/303/303045.jpg');
  background-size: cover;
  background-position: center top;
  background-attachment: fixed;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.62);
  /* Subtle dot-grid texture like the game */
  background-image: radial-gradient(circle, rgba(42,42,42,0.6) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
#header {
  background: rgba(8, 8, 8, 0.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid #2a2a2a;
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

#header-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 14px 20px 10px;
  gap: 16px;
}

.game-tag {
  font-family: var(--font);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--orange);
  margin-bottom: 3px;
  text-transform: uppercase;
}

#header h1 {
  font-family: var(--font);
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--text);
  line-height: 1;
  text-transform: uppercase;
}

#points-display {
  display: flex;
  align-items: baseline;
  gap: 2px;
  line-height: 1;
}

#points-display #points-used {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
}

.pts-sep {
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-dim);
  margin: 0 2px;
}

#points-display #points-max {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-dim);
}

.pts-unit {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  margin-left: 6px;
  align-self: flex-end;
  padding-bottom: 4px;
}

/* Segmented points bar */
#points-track {
  display: flex;
  height: 8px;
  gap: 2px;
  padding: 0 20px;
  padding-bottom: 0;
  background: #0d0d0d;
}

.points-seg {
  flex: 1;
  height: 100%;
  background: #282828;
  transition: background 0.15s;
}

.points-seg.filled {
  background: var(--orange);
}

.points-seg.filled.warn {
  background: #e04000;
}

/* hidden legacy fill element */
#points-fill { display: none; }

/* ── Controls ─────────────────────────────────────────────────────────────── */
#controls {
  background: rgba(10, 10, 10, 0.82);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-bottom: 2px solid var(--orange);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.ctrl-divider {
  width: 1px;
  height: 22px;
  background: #2e2e2e;
}

.ctrl-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* Toggle */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}
.toggle-label input[type="checkbox"] { display: none; }

.toggle-track {
  width: 36px;
  height: 18px;
  background: #282828;
  border: 1px solid #3a3a3a;
  position: relative;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  background: #555;
  transition: transform 0.15s, background 0.15s;
}
input:checked ~ .toggle-track {
  background: var(--orange-dark);
  border-color: var(--orange);
}
input:checked ~ .toggle-track .toggle-thumb {
  transform: translateX(18px);
  background: var(--orange);
}

.toggle-text {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text);
  text-transform: uppercase;
}

/* Mode buttons */
#mode-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mode-btns {
  display: flex;
  gap: 2px;
}

.mode-btn {
  background: #1e1e1e;
  border: 1px solid #333;
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 5px 14px;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.12s;
}
.mode-btn:hover {
  border-color: var(--orange-dim);
  color: var(--text);
}
.mode-btn.active {
  background: var(--orange-dark);
  border-color: var(--orange);
  color: var(--orange);
}

/* Slider */
#custom-slider-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
#custom-slider-wrap.hidden { display: none; }

#custom-slider-wrap strong { color: var(--orange); }

#points-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 120px;
  height: 3px;
  background: #333;
  outline: none;
}
#points-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 13px; height: 13px;
  background: var(--orange);
  cursor: pointer;
}

/* Generate button */
#generate-btn {
  margin-left: auto;
  background: var(--orange);
  border: none;
  color: #000;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  padding: 9px 30px;
  cursor: pointer;
  text-transform: uppercase;
  transition: background 0.15s, transform 0.1s;
  position: relative;
}
#generate-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.15);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.15s;
}
#generate-btn:hover { background: #ff9010; }
#generate-btn:hover::before { transform: scaleX(1); }
#generate-btn:active { transform: scale(0.97); }

/* ── Main Layout ─────────────────────────────────────────────────────────── */
#class-layout {
  max-width: 1100px;
  margin: 18px auto;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
  align-items: start;
}

/* ── Section Labels ──────────────────────────────────────────────────────── */
.section-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 6px;
  padding-left: 2px;
}

/* ── Left Column ─────────────────────────────────────────────────────────── */
#col-left {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── Weapon Section ──────────────────────────────────────────────────────── */
.weapon-section {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 12px;
}

/* Weapon slot */
.weapon-slot {
  display: flex;
  align-items: stretch;
  border: 2px solid var(--border);
  background: #1a1a1a;
  min-height: 96px;
  transition: border-color 0.15s, background 0.15s;
  position: relative;
  overflow: hidden;
}

.weapon-slot.filled {
  border-color: var(--orange);
  background: #1c1800;
}

/* Diagonal accent stripe on filled slots */
.weapon-slot.filled::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 4px;
  height: 100%;
  background: var(--orange);
}

.weapon-icon-area {
  flex-shrink: 0;
  width: 140px;
  background: #0a0a0a;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--border);
  overflow: hidden;
}
.weapon-slot.filled .weapon-icon-area {
  border-right-color: var(--orange-dim);
  background: #080800;
}

.weapon-icon-placeholder {
  width: 100%;
  height: 100%;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Crosshair shown only when no image */
.weapon-icon-placeholder::before,
.weapon-icon-placeholder::after {
  content: '';
  position: absolute;
  background: #222;
  pointer-events: none;
}
.weapon-icon-placeholder::before { width: 100%; height: 1px; top: 50%; }
.weapon-icon-placeholder::after  { height: 100%; width: 1px; left: 50%; }

/* Hide crosshair when image is present */
.weapon-slot.filled .weapon-icon-placeholder::before,
.weapon-slot.filled .weapon-icon-placeholder::after {
  display: none;
}

/* Weapon image */
.weapon-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  /* Slightly desaturate for the dark military look, full color on hover */
  filter: brightness(0.88) saturate(0.85);
  transition: filter 0.2s;
}
.weapon-slot:hover .weapon-img {
  filter: brightness(1) saturate(1);
}

.icon-type {
  font-size: 0.5rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: #333;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}
.weapon-slot.filled .icon-type { color: var(--orange-dim); }

.weapon-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 12px 16px;
  gap: 4px;
}

.slot-cat {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.weapon-slot.filled .slot-cat { color: var(--orange-dim); }

.slot-name {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  text-transform: uppercase;
  line-height: 1;
}
.weapon-slot.filled .slot-name { color: var(--orange); }

/* Attachment area */
.attach-section {
  margin-top: 8px;
}

.attach-section-label {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 5px;
  padding-left: 1px;
  opacity: 0.7;
}

.attach-row {
  display: flex;
  gap: 4px;
}

.attach-box {
  flex: 1;
  min-height: 40px;
  background: var(--bg-slot);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  text-align: center;
  padding: 4px 5px;
  text-transform: uppercase;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
  position: relative;
}

.attach-box.filled {
  background: #1a2820;
  border-color: #2a5c38;
  color: #8ec8a0;
}

.attach-box.locked {
  background: var(--bg-locked);
  border-color: var(--border-locked);
  color: var(--text-locked);
}

.attach-empty-line {
  display: block;
  width: 20px;
  height: 2px;
  background: #2e2e2e;
}

/* ── Wildcards ────────────────────────────────────────────────────────────── */
#wildcards-section {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 12px;
}

#wildcards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

.wc-box {
  background: var(--bg-slot);
  border: 1px solid var(--border);
  padding: 7px 8px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-locked);
  text-align: left;
  text-transform: uppercase;
  min-height: 38px;
  display: flex;
  align-items: center;
  transition: all 0.15s;
  position: relative;
  line-height: 1.2;
}

.wc-box::after {
  content: '';
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  border: 1px solid #2a2a2a;
  background: #111;
  /* Pentagon-ish shape */
  clip-path: polygon(50% 0%, 100% 30%, 100% 100%, 0% 100%, 0% 30%);
  transition: all 0.15s;
}

.wc-box.active {
  background: var(--bg-wc-active);
  border-color: #6a1808;
  color: #e8a090;
}

.wc-box.active::after {
  border-color: var(--red-wc);
  background: #5a1000;
}

/* ── Right Column ────────────────────────────────────────────────────────── */
#col-right {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.right-section {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  padding: 12px;
}

/* ── Perk Layout ─────────────────────────────────────────────────────────── */
.perk-row-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.perk-row-wrap:last-child { margin-bottom: 0; }

.perk-cat-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  width: 46px;
  flex-shrink: 0;
  text-align: right;
  padding-right: 2px;
}

.cat1 { color: #5ab870; }
.cat2 { color: #5090d8; }
.cat3 { color: #d07830; }
.lethal-lbl { color: #d04040; }
.tac-lbl  { color: #60b0d0; }

.perk-row {
  display: flex;
  gap: 4px;
  flex: 1;
}

/* Perk slots */
.perk-slot {
  flex: 1;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 8px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: all 0.15s;
  line-height: 1.2;
}

/* Perk category tints */
.perk-slot.cat1         { background: var(--bg-perk1); border-color: var(--border-perk1); color: var(--text-dim); }
.perk-slot.cat2         { background: var(--bg-perk2); border-color: var(--border-perk2); color: var(--text-dim); }
.perk-slot.cat3         { background: var(--bg-perk3); border-color: var(--border-perk3); color: var(--text-dim); }
.perk-slot.cat1.filled  { border-color: #2a7040; color: #70d888; background: #0e2818; }
.perk-slot.cat2.filled  { border-color: #1a5080; color: #70a8e8; background: #0a1a2e; }
.perk-slot.cat3.filled  { border-color: #7a3808; color: #e09050; background: #200e04; }
.perk-slot.locked       { background: var(--bg-locked); border-color: var(--border-locked); color: var(--text-locked); }

/* Perk icon pentagon shape */
.perk-slot.filled::before {
  content: '';
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  opacity: 0.35;
  clip-path: polygon(50% 0%, 100% 30%, 82% 100%, 18% 100%, 0% 30%);
}
.perk-slot.cat1.filled::before { background: #5ab870; }
.perk-slot.cat2.filled::before { background: #5090d8; }
.perk-slot.cat3.filled::before { background: #d07830; }

/* ── Grenade Slots ────────────────────────────────────────────────────────── */
.grenade-slot {
  flex: 1;
  min-height: 48px;
  background: var(--bg-grenade);
  border: 1px solid #2e2214;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 6px 8px;
  transition: all 0.15s;
  line-height: 1.2;
}

.grenade-slot.filled {
  border-color: #8b4513;
  background: #1e0e04;
  color: #e8905a;
}

.grenade-slot.locked {
  background: var(--bg-locked);
  border-color: var(--border-locked);
  color: var(--text-locked);
}

.grenade-slot.disabled {
  background: #0a0a0a;
  border-color: #1a1a1a;
  color: var(--text-locked);
  opacity: 0.5;
  font-size: 0.58rem;
}

/* ── Item slots with image + label ───────────────────────────────────────── */
.perk-slot.filled,
.grenade-slot.filled {
  flex-direction: column;
  gap: 3px;
  padding: 5px 4px;
}

.item-img {
  width: 46px;
  height: 46px;
  object-fit: contain;
  filter: brightness(0.9);
  flex-shrink: 0;
}

.item-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-align: center;
  line-height: 1.2;
  word-break: break-word;
  max-width: 100%;
}

/* Wildcard image + label */
.wc-box {
  flex-direction: column;
  gap: 3px;
}

.wc-img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  filter: brightness(0.3) saturate(0);
  transition: filter 0.15s;
  flex-shrink: 0;
}

.wc-box.active .wc-img {
  filter: brightness(0.9) saturate(0.6);
}

.wc-label {
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-align: center;
  line-height: 1.2;
  word-break: break-word;
  color: inherit;
}

/* ── Shared lock label ────────────────────────────────────────────────────── */
.lock-label {
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  color: inherit;
  text-align: center;
  text-transform: uppercase;
  line-height: 1.4;
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
#footer {
  background: #0d0d0d;
  border-top: 2px solid var(--orange);
  padding: 10px 20px;
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-align: center;
}

.footer-key {
  display: inline-block;
  background: #2a2a2a;
  border: 1px solid #444;
  padding: 1px 8px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text);
}

.footer-desc { color: var(--text-dim); }

.footer-copy {
  margin-left: 20px;
  color: #404040;
  font-size: 0.62rem;
}

/* ── Flash animation on generate ─────────────────────────────────────────── */
@keyframes slot-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.weapon-slot.filled,
.perk-slot.filled,
.grenade-slot.filled,
.attach-box.filled,
.wc-box.active {
  animation: slot-in 0.2s ease-out;
}

/* ── Resolution Scaling ──────────────────────────────────────────────────── */
/* 1080p (1920px): 125% */
@media (min-width: 1920px) {
  html { zoom: 1.25; }
  body { min-height: unset; }
}

/* 4K (3840px): 175% */
@media (min-width: 3840px) {
  html { zoom: 1.75; }
  body { min-height: unset; }
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 820px) {
  #class-layout {
    grid-template-columns: 1fr;
  }

  #generate-btn { margin-left: 0; }
  #controls { gap: 12px; }

  #wildcards-grid { grid-template-columns: repeat(2, 1fr); }

  .perk-cat-label { width: 40px; }
}

@media (max-width: 500px) {
  #class-layout { padding: 0 10px; }
  #header h1 { font-size: 1.3rem; }
  #points-display #points-used { font-size: 1.6rem; }
  #wildcards-grid { grid-template-columns: 1fr 1fr; }
  .perk-row-wrap { flex-direction: column; align-items: flex-start; }
  .perk-cat-label { width: auto; text-align: left; }
}