/* ============================================================
   NAUMACHIA — Ναυμαχία  |  game.css
   Dark earth tones: deep browns, olive greens, dark terracotta.
   NO beige. Fonts: Raleway (UI) · Cormorant Garamond (display)
   ============================================================ */

/* ── CSS Variables ──────────────────────────────────────────── */
#naumachia-overlay {
  --nc:     34px;             /* cell size */
  --ng:      2px;             /* grid gap */

  --nau-bg:     #0C0804;
  --nau-bg2:    #110A04;
  --nau-surf:   #1A1108;
  --nau-sur2:   #22160A;
  --nau-brd:    rgba(180, 125, 50, 0.16);
  --nau-brdh:   rgba(200, 150, 70, 0.40);

  --nau-txt:    #DDD0AA;
  --nau-txtm:   #7A6A4A;
  --nau-txts:   #9A8A64;

  --nau-olive:  #3A4D1E;
  --nau-olivl:  #506831;
  --nau-terra:  #622415;
  --nau-terrl:  #833C26;

  --nau-gold:   #C9A44A;
  --nau-goldl:  #DDB855;
  --nau-goldd:  #7A5E22;

  --nau-water:  #0D1D2C;
  --nau-watl:   #132535;

  --nau-hit:    #B83020;
  --nau-miss:   #1A2E3E;
  --nau-ship:   #2C1D0A;
  --nau-sunk:   #6A1E10;

  --nau-ok:     #3A6025;
  --nau-bad:    #6A2020;

  --nau-prev-ok:  rgba(58, 96, 37, 0.50);
  --nau-prev-bad: rgba(106, 32, 32, 0.55);
}

/* ── Root ───────────────────────────────────────────────────── */
.nau-root {
  width: 100%; height: 100%;
  background: var(--nau-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  font-family: 'Raleway', sans-serif;
  color: var(--nau-txt);
}

/* ── Phases ─────────────────────────────────────────────────── */
.nau-phase {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow: auto;
  box-sizing: border-box;
}
.nau-phase.active { display: flex; }

/* ── Menu ───────────────────────────────────────────────────── */
.nau-menu {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  max-width: 420px;
  width: 100%;
}

.nau-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--nau-gold);
  text-align: center;
  line-height: 1;
  margin: 0;
  text-shadow: 0 0 60px rgba(201,164,74,0.25);
}

.nau-subtitle {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  font-style: italic;
  color: var(--nau-txtm);
  letter-spacing: 0.14em;
  margin: -14px 0 0;
  text-align: center;
}

.nau-hr {
  width: 72px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--nau-goldd), transparent);
}

.nau-menu-btns { display: flex; flex-direction: column; gap: 10px; width: 100%; }

/* ── Buttons ─────────────────────────────────────────────────── */
.nau-btn {
  padding: 12px 24px;
  border: 1px solid var(--nau-brd);
  background: var(--nau-surf);
  color: var(--nau-txt);
  font-family: 'Raleway', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.16s, border-color 0.16s, color 0.16s;
  text-align: center;
  width: 100%;
}
.nau-btn:hover:not(:disabled) {
  background: var(--nau-sur2);
  border-color: var(--nau-brdh);
  color: var(--nau-goldl);
}
.nau-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.nau-btn-primary {
  background: var(--nau-olive);
  border-color: var(--nau-olivl);
}
.nau-btn-primary:hover:not(:disabled) {
  background: var(--nau-olivl);
  border-color: rgba(80,104,49,0.8);
  color: var(--nau-txt);
}

.nau-btn-sm { padding: 8px 16px; font-size: 0.76rem; width: auto; }

.nau-btn-danger { border-color: rgba(150,50,30,0.35); }
.nau-btn-danger:hover:not(:disabled) {
  background: var(--nau-terra);
  border-color: var(--nau-terrl);
  color: #f0cfc0;
}

/* ── Matchmaking ─────────────────────────────────────────────── */
.nau-matchmaking {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  text-align: center;
  max-width: 360px;
}

.nau-spinner {
  width: 44px; height: 44px;
  border: 3px solid var(--nau-brd);
  border-top-color: var(--nau-gold);
  border-radius: 50%;
  animation: nauSpin 0.85s linear infinite;
}
@keyframes nauSpin { to { transform: rotate(360deg); } }

.nau-code-box {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.9rem;
  letter-spacing: 0.35em;
  color: var(--nau-gold);
  background: var(--nau-surf);
  border: 1px solid var(--nau-brd);
  padding: 10px 28px;
  border-radius: 2px;
}

/* ── Placement ───────────────────────────────────────────────── */
.nau-place-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  width: 100%;
  max-width: 700px;
}

.nau-place-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  flex-wrap: wrap;
  gap: 10px;
}
.nau-place-header h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--nau-gold);
  margin: 0;
  letter-spacing: 0.08em;
}
.nau-place-controls { display: flex; gap: 8px; flex-wrap: wrap; }

.nau-place-body {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
}

/* ── Ship Dock ───────────────────────────────────────────────── */
.nau-dock {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 155px;
}
.nau-dock-hd {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--nau-txtm);
  margin-bottom: 2px;
}

.nau-dock-ship {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--nau-surf);
  border: 1px solid var(--nau-brd);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.14s, border-color 0.14s;
}
.nau-dock-ship:hover:not(.nau-placed):not(.nau-selected) {
  background: var(--nau-sur2);
  border-color: var(--nau-brdh);
}
.nau-dock-ship.nau-selected {
  border-color: var(--nau-gold);
  background: rgba(201,164,74,0.07);
}
.nau-dock-ship.nau-placed {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}
.nau-dock-name {
  font-size: 0.8rem;
  color: var(--nau-txt);
  min-width: 72px;
  font-weight: 500;
}
.nau-dock-blocks { display: flex; gap: 3px; }
.nau-dock-block {
  width: 12px; height: 12px;
  background: var(--nau-olivl);
  border-radius: 1px;
}

/* ── Grid ────────────────────────────────────────────────────── */
.nau-board-sec {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
}

.nau-board-lbl {
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--nau-txtm);
  font-weight: 600;
}

.nau-grid-outer {
  display: grid;
  grid-template-columns: 16px 1fr;
  grid-template-rows: 16px 1fr;
  gap: 2px;
}

.nau-col-labels {
  grid-column: 2; grid-row: 1;
  display: grid;
  grid-template-columns: repeat(10, var(--nc));
  gap: var(--ng);
}
.nau-row-labels {
  grid-column: 1; grid-row: 2;
  display: grid;
  grid-template-rows: repeat(10, var(--nc));
  gap: var(--ng);
}
.nau-ax-lbl {
  font-size: 0.58rem;
  color: var(--nau-txtm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Raleway', sans-serif;
  letter-spacing: 0;
}

.nau-grid-wrap {
  grid-column: 2; grid-row: 2;
  position: relative;
  display: inline-block;
  line-height: 0;
}

.nau-grid {
  display: grid;
  grid-template-columns: repeat(10, var(--nc));
  grid-template-rows: repeat(10, var(--nc));
  gap: var(--ng);
  background: var(--nau-water);
  padding: var(--ng);
  border: 1px solid var(--nau-brd);
}

/* ── Cells ───────────────────────────────────────────────────── */
.nau-cell {
  width: var(--nc); height: var(--nc);
  background: var(--nau-watl);
  border-radius: 1px;
  transition: background 0.1s;
  position: relative;
  cursor: default;
  box-sizing: border-box;
}

.nau-cell.ship      { background: var(--nau-ship); border: 1px solid rgba(160,110,50,0.22); }
.nau-cell.hit       { background: var(--nau-hit); }
.nau-cell.miss      { background: var(--nau-miss); }
.nau-cell.sunk      { background: var(--nau-sunk); }
.nau-cell.prev-ok   { background: var(--nau-prev-ok) !important; }
.nau-cell.prev-bad  { background: var(--nau-prev-bad) !important; }

.nau-cell.hit::after {
  content: '×';
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 700;
  color: rgba(255, 175, 140, 0.9);
}
.nau-cell.miss::after {
  content: '·';
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; line-height: 1;
  color: rgba(90, 150, 190, 0.45);
}
.nau-cell.sunk::after {
  content: '⚓';
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem;
  opacity: 0.6;
}

.nau-cell.fire {
  cursor: crosshair;
}
.nau-cell.fire:hover {
  background: rgba(201, 164, 74, 0.15);
  outline: 1px solid rgba(201, 164, 74, 0.38);
  outline-offset: -1px;
}

/* ── Particle canvas ─────────────────────────────────────────── */
.nau-canvas {
  position: absolute;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 6;
}

/* ── Screen shake ─────────────────────────────────────────────── */
@keyframes nauShake {
  0%,100% { transform: translate(0,0) rotate(0deg); }
  15%     { transform: translate(-5px, 3px) rotate(-0.4deg); }
  30%     { transform: translate(4px, -4px) rotate(0.3deg); }
  50%     { transform: translate(-4px, 4px) rotate(-0.3deg); }
  70%     { transform: translate(5px, -2px) rotate(0.2deg); }
  85%     { transform: translate(-3px, 3px) rotate(-0.2deg); }
}
.nau-shake { animation: nauShake 0.38s ease-out; }

/* ── Combat phase ────────────────────────────────────────────── */
.nau-combat-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: 100%;
}

.nau-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 820px;
  width: 100%;
  padding: 9px 16px;
  background: var(--nau-surf);
  border: 1px solid var(--nau-brd);
  border-radius: 2px;
  flex-wrap: wrap;
  gap: 8px;
  box-sizing: border-box;
}
.nau-status-txt {
  font-size: 0.82rem;
  letter-spacing: 0.07em;
  transition: color 0.3s;
}
.nau-status-txt.myturn  { color: var(--nau-goldl); }
.nau-status-txt.waiting { color: var(--nau-txtm); }
.nau-status-txt.wrong   { color: var(--nau-terrl); }

.nau-ships-rem {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.76rem;
}
.nau-ships-rem .me    { color: var(--nau-olivl); }
.nau-ships-rem .vs    { color: var(--nau-txtm); }
.nau-ships-rem .them  { color: var(--nau-terrl); }

.nau-boards-wrap {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Question modal ───────────────────────────────────────────── */
.nau-q-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 5, 2, 0.88);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(6px);
}
.nau-q-overlay.active { display: flex; }

.nau-q-modal {
  background: var(--nau-surf);
  border: 1px solid var(--nau-brdh);
  border-radius: 3px;
  padding: 26px 28px;
  max-width: 430px;
  width: 90%;
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: nauModalIn 0.22s ease-out both;
}
@keyframes nauModalIn {
  from { transform: scale(0.93) translateY(8px); opacity: 0; }
  to   { transform: scale(1) translateY(0); opacity: 1; }
}

.nau-q-hd {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  color: var(--nau-gold);
  text-transform: uppercase;
  text-align: center;
  border-bottom: 1px solid var(--nau-brd);
  padding-bottom: 12px;
}

.nau-q-text {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.18rem;
  line-height: 1.55;
  color: var(--nau-txt);
  text-align: center;
  font-style: italic;
  font-weight: 400;
}

.nau-q-opts { display: flex; flex-direction: column; gap: 7px; }

.nau-q-opt {
  padding: 10px 14px;
  background: var(--nau-sur2);
  border: 1px solid var(--nau-brd);
  border-radius: 2px;
  color: var(--nau-txt);
  font-family: 'Raleway', sans-serif;
  font-size: 0.84rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
  letter-spacing: 0.02em;
}
.nau-q-opt:hover { background: rgba(50,35,15,0.8); border-color: var(--nau-brdh); }
.nau-q-opt.correct {
  background: rgba(48, 88, 30, 0.45);
  border-color: rgba(80, 140, 50, 0.6);
  color: #b8e898;
}
.nau-q-opt.wrong {
  background: rgba(90, 28, 28, 0.45);
  border-color: rgba(150, 50, 50, 0.6);
  color: #e8a0a0;
}
.nau-q-opt:disabled { cursor: default; }

/* ── Game over ───────────────────────────────────────────────── */
.nau-over {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
  max-width: 380px;
}
.nau-over-icon  { font-size: 3.8rem; line-height: 1; }
.nau-over-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--nau-gold);
  margin: 0;
  letter-spacing: 0.1em;
}
.nau-over-msg {
  color: var(--nau-txtm);
  font-size: 0.88rem;
  margin: 0;
  letter-spacing: 0.05em;
  line-height: 1.6;
}
.nau-over-btns {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 4px;
}

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 640px) {
  #naumachia-overlay { --nc: 28px; }
  .nau-boards-wrap { gap: 18px; }
  .nau-place-body { flex-direction: column; align-items: center; }
}
@media (max-width: 420px) {
  #naumachia-overlay { --nc: 24px; }
  .nau-q-modal { padding: 20px 18px; }
}