/* Octopus Restaurant - undersea diner
   Palette: abyss teal #0b2e33, lagoon #14555e, ticket cream #f6ecd9,
   coral #ff6b57, butter #ffc44d, ink #24333a */

* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
	--abyss: #0b2e33;
	--lagoon: #14555e;
	--cream: #f6ecd9;
	--cream-deep: #eadfc6;
	--coral: #ff6b57;
	--coral-deep: #d94f3d;
	--butter: #ffc44d;
	--ink: #24333a;
	--seafoam: #9fd8cb;
}

html, body {
	width: 100%; height: 100%;
	overflow: hidden;
	background: var(--abyss);
	font-family: "Trebuchet MS", "Segoe UI", Verdana, sans-serif;
	color: var(--ink);
	user-select: none;
}

#game-canvas { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }

/* ============================== screens ============================== */

.screen {
	position: fixed; inset: 0;
	display: flex; align-items: center; justify-content: center;
	background:
		radial-gradient(ellipse 120% 60% at 50% -10%, rgba(159, 216, 203, 0.18), transparent 60%),
		radial-gradient(ellipse 90% 70% at 50% 115%, rgba(255, 107, 87, 0.12), transparent 55%),
		linear-gradient(180deg, #0d3a41 0%, var(--abyss) 55%, #071e22 100%);
	z-index: 40;
	padding: 20px;
}
.screen-dim { background: rgba(7, 30, 34, 0.72); backdrop-filter: blur(3px); }
.hidden { display: none !important; }

/* The signature element: every menu is a laminated diner menu card with a
   scalloped tentacle-sucker edge. */
.menu-card {
	position: relative;
	width: min(460px, 94vw);
	background: linear-gradient(178deg, var(--cream) 0%, var(--cream-deep) 100%);
	border-radius: 18px;
	padding: 34px 36px 30px;
	box-shadow:
		0 24px 60px rgba(0, 0, 0, 0.5),
		inset 0 0 0 2px rgba(36, 51, 58, 0.12);
	max-height: 92vh;
	overflow-y: auto;
}
.menu-card::before {
	content: "";
	position: absolute; left: 10px; right: 10px; top: 6px; height: 8px;
	background: radial-gradient(circle 5px at 8px 4px, var(--coral) 4px, transparent 5px);
	background-size: 22px 8px;
	background-repeat: repeat-x;
	opacity: 0.85;
}
.menu-card::after {
	content: "";
	position: absolute; left: 10px; right: 10px; bottom: 6px; height: 8px;
	background: radial-gradient(circle 5px at 8px 4px, var(--lagoon) 4px, transparent 5px);
	background-size: 22px 8px;
	background-repeat: repeat-x;
	opacity: 0.7;
}
.menu-card-wide { width: min(760px, 96vw); }

.card-eyebrow {
	text-align: center;
	font-size: 12px;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--lagoon);
	margin-bottom: 10px;
}

.logo { text-align: center; line-height: 0.95; margin-bottom: 6px; }
.logo-octopus {
	display: block;
	font-family: Georgia, "Times New Roman", serif;
	font-style: italic;
	font-weight: 400;
	font-size: 54px;
	color: var(--coral);
	text-shadow: 0 2px 0 rgba(217, 79, 61, 0.35);
}
.logo-restaurant {
	display: block;
	font-size: 26px;
	font-weight: 900;
	letter-spacing: 0.42em;
	margin-left: 0.42em;
	color: var(--ink);
}

.card-title {
	text-align: center;
	font-family: Georgia, serif;
	font-style: italic;
	font-size: 34px;
	color: var(--coral);
	margin-bottom: 4px;
}

.wave-rule {
	height: 10px;
	margin: 14px auto 18px;
	width: 78%;
	background:
		radial-gradient(circle 8px at 10px -2px, transparent 7px, var(--lagoon) 7.5px, var(--lagoon) 8.5px, transparent 9px);
	background-size: 20px 10px;
	background-repeat: repeat-x;
	opacity: 0.55;
}

.menu-fields { display: flex; gap: 14px; margin-bottom: 12px; }
.field { flex: 1; display: flex; flex-direction: column; gap: 5px; }
.field span {
	font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
	color: var(--lagoon); font-weight: 700;
}
.field input {
	font-family: inherit; font-size: 17px;
	padding: 9px 12px;
	border: 2px solid rgba(20, 85, 94, 0.35);
	border-radius: 9px;
	background: #fffdf6;
	color: var(--ink);
	outline: none;
	width: 100%;
	text-transform: uppercase;
}
.field input:focus { border-color: var(--coral); }
#in-name { text-transform: none; }

.menu-note { text-align: center; font-size: 13.5px; color: #5a6b70; margin-bottom: 16px; }

.menu-buttons { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.menu-buttons-col { flex-direction: column; align-items: stretch; }

.btn {
	font-family: inherit;
	font-size: 15px; font-weight: 700;
	letter-spacing: 0.04em;
	padding: 12px 22px;
	border-radius: 11px;
	border: 2px solid var(--lagoon);
	background: transparent;
	color: var(--lagoon);
	cursor: pointer;
	transition: transform 0.08s ease, background 0.12s ease, color 0.12s ease;
}
.btn:hover { background: rgba(20, 85, 94, 0.1); }
.btn:active { transform: scale(0.97); }
.btn:focus-visible { outline: 3px solid var(--butter); outline-offset: 2px; }
.btn-primary {
	background: var(--coral);
	border-color: var(--coral-deep);
	color: #fff;
	box-shadow: 0 4px 0 var(--coral-deep);
}
.btn-primary:hover { background: #ff7f6d; }
.btn-primary:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--coral-deep); }
.btn-danger { border-color: var(--coral-deep); color: var(--coral-deep); }
.btn-danger:hover { background: rgba(217, 79, 61, 0.1); }

.join-error { text-align: center; color: var(--coral-deep); font-weight: 700; margin-top: 12px; min-height: 20px; font-size: 14px; }

/* how to play */
.howto-cols { display: flex; gap: 26px; margin-bottom: 18px; }
.howto-cols > div { flex: 1; }
.howto-cols h3 {
	font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase;
	color: var(--coral-deep); margin-bottom: 8px;
}
.howto-cols ul { list-style: none; }
.howto-cols li {
	font-size: 13.5px; line-height: 1.45;
	padding: 5px 0 5px 18px;
	position: relative;
	border-bottom: 1px dashed rgba(20, 85, 94, 0.2);
}
.howto-cols li::before {
	content: ""; position: absolute; left: 2px; top: 12px;
	width: 7px; height: 7px; border-radius: 50%;
	background: var(--seafoam); border: 1.5px solid var(--lagoon);
}
@media (max-width: 640px) { .howto-cols { flex-direction: column; gap: 10px; } }

/* settings */
.settings-rows { display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }
.setting { display: grid; grid-template-columns: 1fr 130px 48px; align-items: center; gap: 10px; }
.setting span { font-size: 14px; font-weight: 700; color: var(--ink); }
.setting em { font-style: normal; font-size: 13px; color: var(--lagoon); text-align: right; }
.setting-check { grid-template-columns: 1fr auto; }
.setting input[type="range"] { accent-color: var(--coral); width: 100%; }
.setting input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--coral); }

/* ============================== HUD ============================== */

#hud { position: fixed; inset: 0; pointer-events: none; z-index: 20; }

#order-rail {
	position: absolute; top: 0; left: 50%; transform: translateX(-50%);
	display: flex; gap: 10px; padding: 10px;
	align-items: flex-start;
}
.ticket {
	width: 132px;
	background: var(--cream);
	border-radius: 0 0 10px 10px;
	padding: 8px 10px 9px;
	box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
	position: relative;
	animation: ticket-in 0.35s ease;
	border-top: 4px solid var(--coral);
}
.ticket.claimed { opacity: 0.55; border-top-color: var(--seafoam); }
@keyframes ticket-in { from { transform: translateY(-110%); } to { transform: translateY(0); } }
.ticket-num { position: absolute; top: 6px; right: 8px; font-size: 10px; color: #8a9296; font-weight: 700; }
.ticket-name { font-weight: 900; font-size: 13px; color: var(--ink); margin-bottom: 2px; padding-right: 22px; }
.ticket-icons { font-size: 19px; letter-spacing: 2px; margin-bottom: 3px; }
.ticket-hint { font-size: 10px; line-height: 1.25; color: #5a6b70; margin-bottom: 6px; }
.ticket-bar { height: 5px; border-radius: 3px; background: rgba(36, 51, 58, 0.15); overflow: hidden; }
.ticket-bar i { display: block; height: 100%; background: var(--seafoam); border-radius: 3px; }
.ticket.hurry .ticket-bar i { background: var(--coral); }
.ticket.hurry { animation: ticket-shake 0.4s ease infinite; }
@keyframes ticket-shake { 0%,100% { transform: rotate(0); } 25% { transform: rotate(-0.7deg); } 75% { transform: rotate(0.7deg); } }

#hud-top-right { position: absolute; top: 10px; right: 12px; display: flex; flex-direction: column; gap: 8px; align-items: flex-end; }
#score-card {
	background: var(--cream);
	border-radius: 12px;
	padding: 8px 16px 10px;
	text-align: center;
	box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
	border-top: 4px solid var(--butter);
	min-width: 96px;
}
.score-label { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--lagoon); font-weight: 700; }
#score-val { font-family: Georgia, serif; font-size: 30px; color: var(--ink); line-height: 1.05; }
#served-val { font-size: 11px; color: #5a6b70; }
#room-card {
	background: rgba(11, 46, 51, 0.75);
	color: var(--seafoam);
	font-size: 12px; font-weight: 700; letter-spacing: 0.08em;
	padding: 5px 12px; border-radius: 8px;
}

#arm-indicator {
	position: absolute; bottom: 52px; left: 50%; transform: translateX(-50%);
	display: flex; gap: 7px;
	background: rgba(11, 46, 51, 0.72);
	padding: 8px 12px;
	border-radius: 999px;
}
.arm-dot {
	width: 14px; height: 14px; border-radius: 50%;
	background: rgba(246, 236, 217, 0.18);
	border: 2px solid rgba(246, 236, 217, 0.3);
	transition: transform 0.15s ease;
}
.arm-dot.mine { transform: scale(1.35); border-color: #fff; box-shadow: 0 0 8px rgba(255, 255, 255, 0.6); }
.arm-dot.taken { border-color: rgba(246, 236, 217, 0.75); }

#hint-bar {
	position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%);
	background: rgba(11, 46, 51, 0.72);
	color: var(--cream);
	font-size: 13px;
	padding: 7px 18px;
	border-radius: 999px;
	white-space: nowrap;
}

#toast {
	position: absolute; top: 120px; left: 50%; transform: translateX(-50%);
	font-family: Georgia, serif; font-style: italic;
	font-size: 26px; color: var(--butter);
	text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
	opacity: 0;
	transition: opacity 0.3s ease;
	pointer-events: none;
}
#toast.show { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
	.ticket, .ticket.hurry { animation: none; }
	.btn, .arm-dot { transition: none; }
}