/* Bataille Navale — feuille de style (theme naval, reprise du client natif) */

:root {
  --bg-top: #060e22;
  --bg-bot: #102c58;
  --panel: #10203e;
  --panel-2: #1a3058;
  --border: #345894;
  --grid-bg: #163e76;
  --text: #ebf0fa;
  --dim: #96a8c6;
  --btn: #285498;
  --btn-hover: #3e76c6;
  --accent: #ffc648;
  --accent-ink: #241c06;
  --danger: #ce4a4a;
  --danger-hover: #e86464;
  --success: #5cc884;
  --cyan: #56c4ff;
  --radius: 10px;
  --shadow: 0 4px 0 rgba(4, 8, 20, .55);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-top), var(--bg-bot)) fixed;
  font-family: "Bahnschrift", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

h1, h2, h3 { margin: 0 0 .4em; line-height: 1.15; }
h1 { font-size: clamp(2rem, 6vw, 3.2rem); letter-spacing: .06em; color: var(--accent); }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.05rem; color: var(--text); }
p { margin: .3em 0; }
.dim, .footnote { color: var(--dim); }
.cyan { color: var(--cyan); }
.grow { flex: 1; }
[hidden] { display: none !important; }

/* ─────────────────────────── barre haute ─────────────────────── */
#topbar {
  display: flex; align-items: center; gap: .6rem;
  padding: .55rem clamp(.6rem, 3vw, 1.6rem);
  background: rgba(6, 14, 34, .75);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(6px);
  flex-wrap: wrap;
}
.brand { font-weight: 700; letter-spacing: .08em; color: var(--accent); }
#profile-box { color: var(--dim); font-size: .9rem; }
#profile-box b { color: var(--text); }

/* ─────────────────────────── structure ───────────────────────── */
main { padding: clamp(.7rem, 2.5vw, 1.6rem); max-width: 1240px; margin: 0 auto; }
.screen { display: none; animation: fade .18s ease-out; }
.screen.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } }

.hero { text-align: center; margin: clamp(1rem, 6vh, 3.5rem) 0 1.4rem; }
.tagline { color: var(--dim); }
.footnote { text-align: center; margin-top: 1.2rem; font-size: .85rem; }

.row { display: flex; gap: .55rem; align-items: center; flex-wrap: wrap; }
.row.head { margin-bottom: .8rem; }
.btns { margin-top: .7rem; }

.cols { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 1rem; align-items: start; }
@media (max-width: 900px) { .cols { grid-template-columns: 1fr; } }
.col-side { display: flex; flex-direction: column; gap: .8rem; }

/* ──────────────────────────── panneaux ───────────────────────── */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: .9rem 1rem;
}
.panel.narrow { max-width: 460px; margin: 0 auto; }
.panel h3 { border-bottom: 1px solid rgba(52, 88, 148, .5); padding-bottom: .35rem; margin-bottom: .55rem; }

/* ─────────────────────── champs et boutons ───────────────────── */
label { display: block; margin: .7rem 0 .25rem; font-size: .85rem; color: var(--dim); }
label.check { display: flex; align-items: center; gap: .5rem; color: var(--text); font-size: 1rem; cursor: pointer; }
input[type=text], input[type=password], input:not([type]) {
  width: 100%; padding: .6rem .7rem; font: inherit; color: var(--text);
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px;
}
input:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
input[type=range] { width: 100%; accent-color: var(--accent); }
input[type=checkbox] { width: 1.15rem; height: 1.15rem; accent-color: var(--accent); }

button {
  font: inherit; font-weight: 600; color: var(--text); cursor: pointer;
  background: var(--btn); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .6rem 1rem;
  box-shadow: var(--shadow); transition: background .12s, transform .08s;
}
button:hover:not(:disabled) { background: var(--btn-hover); transform: translateY(-1px); }
button:active:not(:disabled) { transform: translateY(1px); box-shadow: none; }
button:disabled { background: #2c3648; color: var(--dim); cursor: not-allowed; box-shadow: none; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: #b48214; }
button.primary:hover:not(:disabled) { background: #ffd66e; }
button.danger { background: var(--danger); border-color: #7a1e1e; }
button.danger:hover:not(:disabled) { background: var(--danger-hover); }
button.ghost { background: transparent; box-shadow: none; padding: .4rem .7rem; }
button.ghost:hover { background: var(--panel-2); }
form .row + .msg { margin-top: .6rem; }
#form-login button { width: 100%; margin-top: .8rem; }
#form-login .row button { margin-top: 0; }

.msg { min-height: 1.2em; font-size: .9rem; }
.msg.error { color: var(--danger); }
.msg.ok { color: var(--success); }

/* ──────────────────────── liste des salles ───────────────────── */
.list { display: flex; flex-direction: column; gap: .55rem; }
.room {
  display: flex; align-items: center; gap: 1rem; width: 100%;
  text-align: left; background: var(--panel); padding: .8rem 1rem;
}
.room:disabled { opacity: .65; }
.room .name { font-size: 1.05rem; }
.room .meta { color: var(--dim); font-size: .85rem; font-weight: 400; }
.room .tag { margin-left: auto; font-size: .9rem; letter-spacing: .04em; }
.tag.open { color: var(--success); }
.tag.full { color: var(--dim); }
.tag.playing { color: #f48a36; }
.empty { color: var(--dim); text-align: center; padding: 2.5rem 1rem; }

/* ────────────────────── joueurs / journal / chat ─────────────── */
.players, .fleet { list-style: none; margin: 0; padding: 0; }
.players li, .fleet li { display: flex; align-items: center; gap: .55rem; padding: .35rem 0; }
.players li + li, .fleet li + li { border-top: 1px solid rgba(52, 88, 148, .28); }
.dot { width: .8rem; height: .8rem; border-radius: 50%; flex: none; }
.players .state { margin-left: auto; font-size: .82rem; color: var(--dim); }
.state.ready { color: var(--success); }
.state.turn { color: var(--accent); }
.state.out { color: var(--danger); }
.players li.me .who { font-weight: 700; }
.players li.dead .who { color: var(--dim); text-decoration: line-through; }

/* boutons compacts dans les listes */
button.small {
  padding: .25rem .6rem; font-size: .8rem; border-radius: 7px;
  box-shadow: none; margin-left: .35rem;
}
.players li button.small { flex: none; }

.badge {
  display: inline-block; min-width: 1.25rem; padding: 0 .35rem;
  margin-left: .3rem; border-radius: 999px;
  background: var(--danger); color: #fff;
  font-size: .75rem; font-weight: 700; text-align: center;
}

/* classement */
.rank { margin: 0; padding-left: 1.2rem; }
.rank li { padding: .3rem 0; display: flex; gap: .5rem; }
.rank li + li { border-top: 1px solid rgba(52, 88, 148, .28); }
.rank .who { flex: 1; }
.rank .state { color: var(--dim); font-size: .85rem; }
.empty-line { color: var(--dim); font-size: .88rem; list-style: none; }

/* barre des tirs speciaux */
#special-bar {
  margin-bottom: .55rem; padding: .45rem .65rem;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius);
}
#special-bar b { color: var(--accent); }

.log, .chat-log {
  font-size: .87rem; color: var(--dim);
  max-height: 190px; overflow-y: auto; overscroll-behavior: contain;
  display: flex; flex-direction: column; gap: .2rem;
}
.chat-log { max-height: 150px; margin-bottom: .5rem; }
.chat-log b { color: var(--accent); font-weight: 600; }
.log .hit { color: #f48a36; }
.log .sunk { color: var(--danger); }
.log .out { color: var(--danger); font-weight: 600; }

.fleet .mini { display: flex; gap: 2px; }
.fleet .mini i { width: 12px; height: 12px; background: #6c7e96; border-radius: 3px; }
.fleet li.done { color: var(--dim); }
.fleet li.done .mini i { background: #3c4a5e; }

/* ───────────────────────────── canvas ────────────────────────── */
canvas {
  /* La grille est carree : on la borne aussi par la hauteur de la fenetre
     pour qu'elle tienne a l'ecran sans faire defiler la page. */
  width: 100%; max-width: min(100%, 68vh); height: auto;
  display: block; margin: 0 auto;
  border-radius: var(--radius);
  background: var(--grid-bg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  touch-action: manipulation;
}
@media (max-width: 900px) { canvas { max-width: 100%; } }
#game-canvas, #place-canvas { cursor: crosshair; }

.banner {
  font-size: 1.05rem; font-weight: 600; margin: 0 0 .6rem;
  color: var(--dim); min-height: 1.5em;
}
.banner.mine { color: var(--accent); animation: pulse 1.4s ease-in-out infinite; }
.banner.over { color: var(--success); }
@keyframes pulse { 50% { opacity: .55; } }

/* ─────────────────────────── fenetres ────────────────────────── */
dialog {
  border: 1px solid var(--border); border-radius: 14px;
  background: var(--panel); color: var(--text);
  padding: 1.2rem 1.4rem; max-width: min(440px, 92vw);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .6);
}
dialog::backdrop { background: rgba(4, 8, 20, .68); backdrop-filter: blur(2px); }
#dlg-over h2 { color: var(--accent); text-align: center; }
#dlg-over p { text-align: center; margin-bottom: 1rem; }

#toast {
  position: fixed; left: 50%; bottom: 1.4rem; transform: translateX(-50%);
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .6rem 1.1rem; z-index: 50;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .5);
}
#toast.error { border-color: var(--danger); color: #ffd9d9; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition: none !important; }
}