/* Basic layout */
:root {
  --tile-size: 60px;
  --gap: 10px;
  --radius: 12px;
  --bg: radial-gradient(1200px 800px at 20% 10%, #1a2238 0%, #0b1020 40%, #060913 100%);
  --panel: rgba(17, 24, 39, 0.65);
  --border: rgba(255,255,255,0.08);
  --text: #e5e7eb;
  --muted: #9ca3af;
  --green: #22c55e;
  --yellow: #eab308;
  --gray: #374151;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }

html, body { height: 100%; }
body {
  margin: 0;
  font-family: 'Noto Sans Ethiopic', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Abyssinica SIL", "Noto Serif Ethiopic", sans-serif;
  background: var(--bg);
  color: var(--text);
  display: grid;
  place-items: center;
}

.app { width: min(720px, 94vw); }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); backdrop-filter: blur(10px); }
.header { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 10px; }
.logo { font-size: 1.4rem; }
.header h1 { margin: 0; font-size: 1.5rem; font-weight: 700; }

.btn { background: linear-gradient(180deg, #394157 0%, #2a3246 100%); color: var(--text); border: 0; padding: 10px 14px; border-radius: var(--radius); cursor: pointer; border: 1px solid #45506b; box-shadow: 0 2px 0 #1b2233 inset; }
.btn:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; border: 1px solid var(--border); box-shadow: none; }
.icon-btn { background: transparent; border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 6px 10px; cursor: pointer; }

.status { min-height: 24px; margin: 12px 20px 16px; color: var(--muted); }
.hint { color: var(--muted); margin-top: 8px; font-size: 0.9rem; }
.info { margin: 14px 20px 4px; padding: 14px 16px; background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 12px; font-size: 0.78rem; line-height: 1.45; color: #b6c2d4; backdrop-filter: blur(6px); }
.info p { margin: 0 0 10px; }
.info p:last-child { margin-bottom: 0; }
.info .en-note { color: #93a7be; font-style: italic; }

/* Board */
.board {
  display: grid;
  grid-template-columns: repeat(4, var(--tile-size));
  grid-template-rows: repeat(6, var(--tile-size));
  gap: var(--gap);
  justify-content: center;
  background: rgba(0,0,0,0.15);
  padding: 18px;
  border-radius: 14px;
  border: 1px solid var(--border);
  margin: 10px 20px 0 20px;
}

.tile {
  width: var(--tile-size);
  height: var(--tile-size);
  border-radius: 10px;
  background: #1f2639;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  font-weight: 600;
  text-transform: uppercase;
  border: 1px solid #2c3550;
  transition: transform 120ms ease, background 200ms ease;
}

/* States */
.tile.correct { background: var(--green); color: #08110a; border-color: #1da94f; }
.tile.present { background: var(--yellow); color: #111827; border-color: #d4a106; }
.tile.absent { background: #2a3146; color: #cbd5e1; border-color: #3a445f; }

/* Animations */
@keyframes flip {
  0% { transform: rotateX(0deg); }
  50% { transform: rotateX(-90deg); }
  100% { transform: rotateX(0deg); }
}
.tile.flip { animation: flip 420ms ease; transform-origin: center; }

@keyframes pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.06); }
  100% { transform: scale(1); }
}
.tile.pop { animation: pop 120ms ease; }

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}
.shake { animation: shake 320ms ease; }

/* Input */
.guess-form { display: flex; gap: 8px; margin: 16px 20px 18px; }
.guess-input {
  flex: 1; padding: 12px 14px; border-radius: var(--radius);
  border: 1px solid #334155; background: #0b1220; color: var(--text);
  font-size: 1.1rem; text-transform: uppercase;
}
.guess-input::placeholder { color: #64748b; }

.footer { color: var(--muted); text-align: center; padding: 8px 0 18px; }

/* Toasts */
.toasts { position: fixed; top: 14px; left: 50%; transform: translateX(-50%); z-index: 50; display: grid; gap: 8px; }
.toast { background: rgba(15, 23, 42, 0.9); border: 1px solid var(--border); padding: 10px 14px; border-radius: 10px; box-shadow: var(--shadow); color: var(--text); opacity: 0; transform: translateY(-10px); transition: opacity .2s ease, transform .2s ease; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: rgba(153, 27, 27, 0.95); border-color: rgba(255,255,255,0.12); }
.toast.success { background: rgba(22, 101, 52, 0.95); border-color: rgba(255,255,255,0.12); }

/* Modal */
.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; display: grid; place-items: center; z-index: 40; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.55); backdrop-filter: blur(2px); }
.modal__content { position: relative; width: min(560px, 94vw); padding: 0; }
.modal__header { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.modal__body { padding: 14px 16px; color: #cbd5e1; }
.modal__footer { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; }

/* Confetti */
.confetti { position: fixed; top: -10px; width: 10px; height: 14px; opacity: 0.95; z-index: 60; border-radius: 2px; }
@keyframes fall {
  0% { transform: translateY(-10px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(110vh) rotate(360deg); opacity: 1; }
}

/* Responsive */
@media (max-width: 480px) {
  :root { --tile-size: 52px; }
  .header h1 { font-size: 1.2rem; }
}