/*
 * PPD theme for Bootstrap 5.3 (layout5.html). Dark, translucent "glass"
 * panels over a glowing backdrop, square corners.
 *
 * Tokens live on :root as --ppd-*; Bootstrap's own variables are pointed
 * at them so stock components (.card, .btn, .form-control, ...) pick the
 * theme up without extra classes.
 */

:root,
[data-bs-theme="dark"] {
	--ppd-base: #070a17;
	--ppd-text: #e8f1ff;
	--ppd-text-soft: #c9d5ee;
	--ppd-muted: #9aa8c7;
	--ppd-faint: #5c6a8c;

	--ppd-cyan: #39c5bb;
	--ppd-cyan-light: #5ee0d5;
	--ppd-pink: #ff5fa8;
	--ppd-pink-light: #ff8cc0;
	--ppd-violet: #8b7cff;
	--ppd-gold: #ffc23d;

	--ppd-easy: #4fb3ff;
	--ppd-normal: #43d17a;
	--ppd-hard: #ffc23d;
	--ppd-extreme: #ff4f7b;

	/* Glass: a dark tint at low opacity, blurred, with a bright edge. */
	--ppd-glass: rgba(16, 22, 46, 0.18);
	--ppd-glass-strong: rgba(9, 14, 32, 0.30);
	--ppd-glass-inner: rgba(7, 10, 23, 0.22);
	--ppd-glass-border: rgba(180, 230, 255, 0.24);
	--ppd-glass-edge: inset 0 1px 0 rgba(255, 255, 255, 0.22);
	--ppd-blur: blur(24px) saturate(160%);
	--ppd-blur-soft: blur(12px) saturate(160%);
	--ppd-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);

	--ppd-font: "M PLUS 1", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", Meiryo, sans-serif;
	--ppd-font-display: "Chakra Petch", var(--ppd-font);

	--ppd-header-h: 64px;
	--ppd-tabbar-h: 64px;

	/* Bootstrap */
	--bs-body-bg: var(--ppd-base);
	--bs-body-bg-rgb: 7, 10, 23;
	--bs-body-color: var(--ppd-text);
	--bs-body-color-rgb: 232, 241, 255;
	--bs-body-font-family: var(--ppd-font);
	--bs-body-font-size: 0.9375rem;
	--bs-body-line-height: 1.7;
	--bs-secondary-color: var(--ppd-muted);
	--bs-tertiary-color: var(--ppd-faint);
	--bs-secondary-bg: rgba(255, 255, 255, 0.06);
	--bs-tertiary-bg: rgba(255, 255, 255, 0.04);
	--bs-emphasis-color: #ffffff;
	--bs-heading-color: #ffffff;
	--bs-link-color: var(--ppd-cyan-light);
	--bs-link-color-rgb: 94, 224, 213;
	--bs-link-hover-color: #a8fff7;
	--bs-link-hover-color-rgb: 168, 255, 247;
	--bs-border-color: var(--ppd-glass-border);
	--bs-border-color-translucent: rgba(180, 230, 255, 0.16);
	--bs-primary: var(--ppd-cyan);
	--bs-primary-rgb: 57, 197, 187;
	--bs-primary-text-emphasis: var(--ppd-cyan-light);
	--bs-primary-bg-subtle: rgba(57, 197, 187, 0.14);
	--bs-primary-border-subtle: rgba(94, 224, 213, 0.5);
	--bs-danger: var(--ppd-extreme);
	--bs-danger-rgb: 255, 79, 123;
	--bs-warning: var(--ppd-gold);
	--bs-warning-rgb: 255, 194, 61;
	--bs-success: var(--ppd-normal);
	--bs-success-rgb: 67, 209, 122;
	--bs-info: var(--ppd-easy);
	--bs-info-rgb: 79, 179, 255;
	--bs-focus-ring-color: rgba(57, 197, 187, 0.35);
	--bs-form-valid-color: var(--ppd-normal);
	--bs-form-valid-border-color: var(--ppd-normal);
	--bs-form-invalid-color: var(--ppd-extreme);
	--bs-form-invalid-border-color: var(--ppd-extreme);

	/* Square corners everywhere; circles (avatars, dots) use rounded-circle. */
	--bs-border-radius: 0;
	--bs-border-radius-sm: 0;
	--bs-border-radius-lg: 0;
	--bs-border-radius-xl: 0;
	--bs-border-radius-xxl: 0;
	--bs-border-radius-pill: 0;
}

/* ---------------------------------------------------------------- base */

/* Bootstrap's d-* utilities are !important; keep [hidden] winning. */
[hidden] {
	display: none !important;
}

html {
	scroll-padding-top: calc(var(--ppd-header-h) + 16px);
}

body {
	min-height: 100vh;
	display: flex;
	flex-direction: column;
	background: var(--ppd-base);
	-webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
	font-weight: 700;
	line-height: 1.35;
}

.ppd-display {
	font-family: var(--ppd-font-display);
	letter-spacing: 0.04em;
}

.ppd-eyebrow {
	font-family: var(--ppd-font-display);
	font-size: 0.8125rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: var(--ppd-cyan-light);
}

.text-muted,
.text-body-secondary {
	color: var(--ppd-muted) !important;
}

::selection {
	background: rgba(57, 197, 187, 0.45);
	color: #ffffff;
}

/* The fixed backdrop the glass panels blur: night-city bokeh, soft discs
   of light drifting and twinkling. Each <i> is one disc; its position,
   size, colour, blur and timing are custom properties set below. Only
   transform and opacity animate, so the blur is rasterised once. */
.ppd-backdrop {
	position: fixed;
	inset: 0;
	z-index: -1;
	overflow: hidden;
	pointer-events: none;
	background:
		radial-gradient(1200px 700px at 10% -10%, rgba(57, 197, 187, 0.22), transparent 60%),
		radial-gradient(1000px 700px at 100% 40%, rgba(255, 95, 168, 0.18), transparent 60%),
		radial-gradient(900px 600px at 40% 110%, rgba(139, 124, 255, 0.22), transparent 60%),
		var(--ppd-base);
}

.ppd-backdrop > i {
	--x: 50%;
	--y: 50%;
	--s: 200px;
	--c: var(--ppd-cyan);
	--b: 12px;
	--o: 0.5;
	--d: 40s;
	--dx: 40px;
	--dy: 40px;
	position: absolute;
	left: var(--x);
	top: var(--y);
	width: var(--s);
	height: var(--s);
	border-radius: 50%;
	/* A lens bokeh disc: an even fill with a slightly brighter rim. */
	background: radial-gradient(circle,
		color-mix(in srgb, var(--c) 34%, transparent) 0%,
		color-mix(in srgb, var(--c) 40%, transparent) 58%,
		color-mix(in srgb, var(--c) 70%, transparent) 66%,
		transparent 71%);
	filter: blur(var(--b));
	opacity: var(--o);
	mix-blend-mode: screen;
	will-change: transform, opacity;
	animation:
		ppd-bokeh-drift var(--d) ease-in-out infinite alternate,
		ppd-bokeh-twinkle calc(var(--d) / 3) ease-in-out infinite alternate;
}

.ppd-backdrop > i:nth-child(1) { --x: 8%; --y: 12%; --s: 340px; --c: var(--ppd-cyan); --b: 18px; --o: 0.55; --d: 46s; --dx: 60px; --dy: 40px; animation-delay: -5s, -4s; }
.ppd-backdrop > i:nth-child(2) { --x: 62%; --y: 4%; --s: 420px; --c: var(--ppd-pink); --b: 26px; --o: 0.42; --d: 58s; --dx: -80px; --dy: 50px; animation-delay: -20s, -14s; }
.ppd-backdrop > i:nth-child(3) { --x: 82%; --y: 38%; --s: 260px; --c: var(--ppd-violet); --b: 14px; --o: 0.6; --d: 40s; --dx: -50px; --dy: -60px; animation-delay: -12s, -8s; }
.ppd-backdrop > i:nth-child(4) { --x: 30%; --y: 58%; --s: 380px; --c: var(--ppd-easy); --b: 24px; --o: 0.4; --d: 52s; --dx: 70px; --dy: -40px; animation-delay: -30s, -20s; }
.ppd-backdrop > i:nth-child(5) { --x: -4%; --y: 72%; --s: 300px; --c: var(--ppd-pink); --b: 20px; --o: 0.48; --d: 44s; --dx: 50px; --dy: -70px; animation-delay: -8s, -6s; }
.ppd-backdrop > i:nth-child(6) { --x: 70%; --y: 74%; --s: 360px; --c: var(--ppd-cyan); --b: 22px; --o: 0.45; --d: 50s; --dx: -60px; --dy: -50px; animation-delay: -25s, -17s; }
.ppd-backdrop > i:nth-child(7) { --x: 46%; --y: 20%; --s: 150px; --c: var(--ppd-gold); --b: 8px; --o: 0.55; --d: 34s; --dx: 40px; --dy: 60px; animation-delay: -14s, -10s; }
.ppd-backdrop > i:nth-child(8) { --x: 20%; --y: 34%; --s: 110px; --c: var(--ppd-cyan); --b: 6px; --o: 0.7; --d: 30s; --dx: -30px; --dy: 40px; animation-delay: -3s, -2s; }
.ppd-backdrop > i:nth-child(9) { --x: 90%; --y: 12%; --s: 130px; --c: var(--ppd-gold); --b: 7px; --o: 0.5; --d: 36s; --dx: -40px; --dy: 50px; animation-delay: -18s, -12s; }
.ppd-backdrop > i:nth-child(10) { --x: 55%; --y: 48%; --s: 90px; --c: var(--ppd-pink); --b: 5px; --o: 0.65; --d: 28s; --dx: 50px; --dy: -30px; animation-delay: -9s, -6s; }
.ppd-backdrop > i:nth-child(11) { --x: 12%; --y: 88%; --s: 140px; --c: var(--ppd-violet); --b: 9px; --o: 0.55; --d: 38s; --dx: 60px; --dy: -40px; animation-delay: -22s, -15s; }
.ppd-backdrop > i:nth-child(12) { --x: 38%; --y: 86%; --s: 100px; --c: var(--ppd-gold); --b: 6px; --o: 0.6; --d: 32s; --dx: -40px; --dy: -50px; animation-delay: -6s, -4s; }
.ppd-backdrop > i:nth-child(13) { --x: 76%; --y: 58%; --s: 80px; --c: var(--ppd-easy); --b: 4px; --o: 0.7; --d: 26s; --dx: -30px; --dy: 40px; animation-delay: -16s, -11s; }
.ppd-backdrop > i:nth-child(14) { --x: 4%; --y: 46%; --s: 70px; --c: var(--ppd-pink); --b: 4px; --o: 0.65; --d: 24s; --dx: 40px; --dy: 30px; animation-delay: -11s, -8s; }
.ppd-backdrop > i:nth-child(15) { --x: 94%; --y: 84%; --s: 120px; --c: var(--ppd-cyan); --b: 8px; --o: 0.5; --d: 34s; --dx: -50px; --dy: -30px; animation-delay: -27s, -18s; }
.ppd-backdrop > i:nth-child(16) { --x: 64%; --y: 28%; --s: 60px; --c: var(--ppd-cyan); --b: 3px; --o: 0.75; --d: 22s; --dx: 30px; --dy: 40px; animation-delay: -4s, -3s; }
.ppd-backdrop > i:nth-child(17) { --x: 28%; --y: 8%; --s: 80px; --c: var(--ppd-violet); --b: 5px; --o: 0.6; --d: 28s; --dx: 50px; --dy: 30px; animation-delay: -19s, -13s; }
.ppd-backdrop > i:nth-child(18) { --x: 50%; --y: 66%; --s: 56px; --c: var(--ppd-gold); --b: 3px; --o: 0.7; --d: 20s; --dx: -30px; --dy: -40px; animation-delay: -13s, -9s; }

@keyframes ppd-bokeh-drift {
	from { transform: translate3d(0, 0, 0) scale(1); }
	to { transform: translate3d(var(--dx), var(--dy), 0) scale(1.12); }
}

@keyframes ppd-bokeh-twinkle {
	from { opacity: var(--o); }
	to { opacity: calc(var(--o) * 0.45); }
}

/* Phones: fewer and smaller discs. */
@media (max-width: 767.98px) {
	.ppd-backdrop > i:nth-child(n + 13) {
		display: none;
	}

	.ppd-backdrop > i {
		width: calc(var(--s) * 0.6);
		height: calc(var(--s) * 0.6);
	}
}

@media (prefers-reduced-motion: reduce) {
	.ppd-backdrop > i {
		animation: none;
	}
}

/* --------------------------------------------------------------- glass */

.ppd-glass,
.card,
.dropdown-menu,
.modal-content,
.offcanvas,
.list-group,
.popover,
.toast {
	background-color: var(--ppd-glass);
	border: 1px solid var(--ppd-glass-border);
	-webkit-backdrop-filter: var(--ppd-blur);
	backdrop-filter: var(--ppd-blur);
	box-shadow: var(--ppd-glass-edge);
}

.dropdown-menu,
.modal-content,
.offcanvas,
.popover {
	/* Floating layers sit over busy content, so they get a denser tint. */
	background-color: rgba(12, 17, 38, 0.72);
	box-shadow: var(--ppd-glass-edge), var(--ppd-shadow);
}

.ppd-inset {
	background: var(--ppd-glass-inner);
	border: 1px solid rgba(180, 230, 255, 0.12);
}

/* Without backdrop-filter (or when the user asks for less transparency)
   the panels would just be dim; make them solid enough to read. */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
	.ppd-glass, .card, .list-group, .toast { background-color: rgba(16, 22, 46, 0.86); }
	.dropdown-menu, .modal-content, .offcanvas, .popover, .ppd-header::before, .ppd-tabbar { background-color: rgba(12, 17, 38, 0.96); }
}

@media (prefers-reduced-transparency: reduce) {
	.ppd-glass, .card, .list-group, .toast { background-color: rgba(16, 22, 46, 0.92); }
	.dropdown-menu, .modal-content, .offcanvas, .popover, .ppd-header::before, .ppd-tabbar { background-color: rgba(12, 17, 38, 0.98); }
}

/* ---------------------------------------------------------------- card */

.card {
	--bs-card-bg: var(--ppd-glass);
	--bs-card-border-color: var(--ppd-glass-border);
	--bs-card-cap-bg: transparent;
	--bs-card-cap-padding-y: 1rem;
	--bs-card-cap-padding-x: 1.25rem;
	--bs-card-spacer-x: 1.25rem;
	--bs-card-color: var(--ppd-text);
	--bs-card-title-color: #ffffff;
	margin-bottom: 1.5rem;
}

.card > .card-header {
	border-bottom-color: rgba(180, 230, 255, 0.14);
}

.card > .table,
.card > .table-responsive > .table,
.card > .list-group {
	margin-bottom: 0;
}

.card > .list-group {
	border: 0;
	background: none;
	backdrop-filter: none;
	-webkit-backdrop-filter: none;
	box-shadow: none;
}

/* Section title with a glowing accent bar: <h2 class="ppd-title">. */
.ppd-title {
	display: flex;
	align-items: center;
	gap: 0.625rem;
	margin: 0;
	font-size: 1.125rem;
	font-weight: 700;
	color: #ffffff;
}

.ppd-title::before {
	content: "";
	flex: 0 0 auto;
	width: 4px;
	height: 1.1em;
	background: var(--ppd-accent, var(--ppd-cyan));
	box-shadow: 0 0 10px var(--ppd-accent, var(--ppd-cyan));
}

.ppd-title.is-pink { --ppd-accent: var(--ppd-pink); }
.ppd-title.is-gold { --ppd-accent: var(--ppd-gold); }
.ppd-title.is-violet { --ppd-accent: var(--ppd-violet); }

/* ------------------------------------------------------------- buttons */

.btn {
	--bs-btn-font-weight: 500;
	--bs-btn-padding-x: 1.125rem;
	--bs-btn-padding-y: 0.5rem;
	--bs-btn-focus-box-shadow: 0 0 0 3px rgba(57, 197, 187, 0.35);
	-webkit-backdrop-filter: var(--ppd-blur-soft);
	backdrop-filter: var(--ppd-blur-soft);
	transition: background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
	white-space: nowrap;
}

.btn-lg {
	--bs-btn-padding-y: 0.625rem;
	--bs-btn-padding-x: 1.5rem;
	--bs-btn-font-size: 1rem;
}

/* Tinted glass with a bright edge; the text glows only faintly. */
.btn-primary {
	--bs-btn-color: #effffd;
	--bs-btn-bg: rgba(57, 197, 187, 0.24);
	--bs-btn-border-color: rgba(94, 224, 213, 0.85);
	--bs-btn-hover-color: #ffffff;
	--bs-btn-hover-bg: rgba(57, 197, 187, 0.38);
	--bs-btn-hover-border-color: #8bf5ec;
	--bs-btn-active-color: #ffffff;
	--bs-btn-active-bg: rgba(57, 197, 187, 0.48);
	--bs-btn-active-border-color: #8bf5ec;
	--bs-btn-disabled-color: rgba(239, 255, 253, 0.6);
	--bs-btn-disabled-bg: rgba(57, 197, 187, 0.12);
	--bs-btn-disabled-border-color: rgba(94, 224, 213, 0.4);
	font-weight: 700;
	text-shadow: 0 0 4px rgba(94, 224, 213, 0.35);
	box-shadow: 0 0 24px rgba(57, 197, 187, 0.35);
}

.btn-danger,
.btn-pink {
	--bs-btn-color: #fff0f7;
	--bs-btn-bg: rgba(255, 95, 168, 0.22);
	--bs-btn-border-color: rgba(255, 140, 192, 0.9);
	--bs-btn-hover-color: #ffffff;
	--bs-btn-hover-bg: rgba(255, 95, 168, 0.36);
	--bs-btn-hover-border-color: #ffb3d6;
	--bs-btn-active-color: #ffffff;
	--bs-btn-active-bg: rgba(255, 95, 168, 0.46);
	--bs-btn-active-border-color: #ffb3d6;
	--bs-btn-disabled-color: rgba(255, 240, 247, 0.6);
	--bs-btn-disabled-bg: rgba(255, 95, 168, 0.1);
	--bs-btn-disabled-border-color: rgba(255, 140, 192, 0.4);
	font-weight: 700;
	text-shadow: 0 0 4px rgba(255, 95, 168, 0.35);
	box-shadow: 0 0 24px rgba(255, 95, 168, 0.3);
}

.btn-secondary,
.btn-light,
.btn-outline-secondary,
.btn-outline-light,
.btn-default {
	--bs-btn-color: var(--ppd-text);
	--bs-btn-bg: rgba(255, 255, 255, 0.07);
	--bs-btn-border-color: rgba(200, 235, 255, 0.4);
	--bs-btn-hover-color: #ffffff;
	--bs-btn-hover-bg: rgba(255, 255, 255, 0.14);
	--bs-btn-hover-border-color: rgba(94, 224, 213, 0.7);
	--bs-btn-active-color: #ffffff;
	--bs-btn-active-bg: rgba(94, 224, 213, 0.18);
	--bs-btn-active-border-color: var(--ppd-cyan-light);
	--bs-btn-disabled-color: var(--ppd-faint);
	--bs-btn-disabled-bg: rgba(255, 255, 255, 0.03);
	--bs-btn-disabled-border-color: rgba(200, 235, 255, 0.15);
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-outline-primary {
	--bs-btn-color: var(--ppd-cyan-light);
	--bs-btn-border-color: rgba(94, 224, 213, 0.7);
	--bs-btn-hover-color: #ffffff;
	--bs-btn-hover-bg: rgba(57, 197, 187, 0.24);
	--bs-btn-hover-border-color: #8bf5ec;
	--bs-btn-active-color: #ffffff;
	--bs-btn-active-bg: rgba(57, 197, 187, 0.38);
	--bs-btn-active-border-color: #8bf5ec;
}

.btn-link {
	backdrop-filter: none;
	-webkit-backdrop-filter: none;
}

/* Square icon-only button, 42px: <a class="btn ppd-icon-btn" aria-label=...>. */
.ppd-icon-btn {
	--bs-btn-padding-x: 0;
	--bs-btn-padding-y: 0;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 42px;
	height: 42px;
	position: relative;
	font-size: 1.125rem;
}

.ppd-count {
	position: absolute;
	top: -6px;
	right: -6px;
	min-width: 18px;
	height: 18px;
	padding: 0 4px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	background: var(--ppd-pink);
	color: #1a0010;
	font-family: var(--ppd-font-display);
	font-size: 0.6875rem;
	font-weight: 700;
	line-height: 1;
	text-shadow: none;
}

/* --------------------------------------------------------------- forms */

.form-control,
.form-select {
	--bs-body-bg: rgba(255, 255, 255, 0.05);
	background-color: rgba(255, 255, 255, 0.05);
	border-color: rgba(180, 230, 255, 0.24);
	color: var(--ppd-text);
	-webkit-backdrop-filter: var(--ppd-blur-soft);
	backdrop-filter: var(--ppd-blur-soft);
}

.form-control::placeholder {
	color: var(--ppd-faint);
}

.form-control:focus,
.form-select:focus {
	background-color: rgba(255, 255, 255, 0.08);
	border-color: var(--ppd-cyan);
	box-shadow: 0 0 0 3px rgba(57, 197, 187, 0.25);
	color: var(--ppd-text);
}

.form-select option {
	background: #10162e;
	color: var(--ppd-text);
}

.form-check-input {
	background-color: rgba(255, 255, 255, 0.06);
	border-color: rgba(180, 230, 255, 0.4);
}

.form-check-input:checked {
	background-color: var(--ppd-cyan);
	border-color: var(--ppd-cyan);
}

.input-group-text {
	background: rgba(255, 255, 255, 0.07);
	border-color: rgba(180, 230, 255, 0.24);
	color: var(--ppd-muted);
}

/* -------------------------------------------------------------- tables */

.table {
	--bs-table-bg: transparent;
	--bs-table-color: var(--ppd-text);
	--bs-table-border-color: rgba(180, 230, 255, 0.12);
	--bs-table-striped-bg: rgba(255, 255, 255, 0.035);
	--bs-table-striped-color: var(--ppd-text);
	--bs-table-hover-bg: rgba(94, 224, 213, 0.07);
	--bs-table-hover-color: #ffffff;
	--bs-table-active-bg: rgba(94, 224, 213, 0.12);
}

.table > thead th,
.table > tbody > tr > th {
	color: var(--ppd-muted);
	font-weight: 500;
	font-size: 0.8125rem;
	letter-spacing: 0.04em;
}

.card > .table > :not(caption) > * > *:first-child,
.card > .table-responsive > .table > :not(caption) > * > *:first-child {
	padding-left: 1.25rem;
}

.card > .table > :not(caption) > * > *:last-child,
.card > .table-responsive > .table > :not(caption) > * > *:last-child {
	padding-right: 1.25rem;
}

/* --------------------------------------------- nav, tabs, list, pager */

.nav-tabs {
	--bs-nav-tabs-border-color: rgba(180, 230, 255, 0.18);
	--bs-nav-tabs-link-hover-border-color: transparent transparent rgba(94, 224, 213, 0.5);
	--bs-nav-tabs-link-active-color: #ffffff;
	--bs-nav-tabs-link-active-bg: transparent;
	--bs-nav-tabs-link-active-border-color: transparent transparent var(--ppd-cyan);
	--bs-nav-link-color: var(--ppd-text-soft);
	--bs-nav-link-hover-color: #ffffff;
	/* Many tabs scroll sideways instead of wrapping (was bootstrap-tab-collapse). */
	flex-wrap: nowrap;
	overflow-x: auto;
	overflow-y: hidden;
	scrollbar-width: thin;
}

.nav-tabs .nav-link {
	white-space: nowrap;
	border-width: 0 0 2px;
}

.nav-tabs .nav-link.active {
	box-shadow: 0 6px 12px -8px var(--ppd-cyan);
}

/* Segmented control: <div class="nav ppd-segment"><button class="nav-link active">. */
.ppd-segment {
	display: inline-flex;
	flex-wrap: nowrap;
	max-width: 100%;
	overflow-x: auto;
	scrollbar-width: thin;
	gap: 4px;
	padding: 4px;
	background: var(--ppd-glass-inner);
	border: 1px solid rgba(180, 230, 255, 0.12);
}

.ppd-segment .nav-link {
	flex: 0 0 auto;
	white-space: nowrap;
	padding: 0.375rem 0.75rem;
	font-size: 0.8125rem;
	color: var(--ppd-text-soft);
	border: 1px solid transparent;
	background: none;
	min-height: 34px;
}

.ppd-segment .nav-link:hover {
	color: #ffffff;
	background: rgba(94, 224, 213, 0.08);
}

.ppd-segment .nav-link.active {
	color: #effffd;
	font-weight: 700;
	background: rgba(57, 197, 187, 0.26);
	border-color: rgba(94, 224, 213, 0.85);
	box-shadow: 0 0 14px rgba(57, 197, 187, 0.45);
	text-shadow: 0 0 4px rgba(94, 224, 213, 0.35);
}

@media (max-width: 767.98px) {
	.ppd-segment {
		display: flex;
		flex-wrap: nowrap;
		overflow-x: auto;
	}

	.ppd-segment .nav-link {
		flex: 0 0 auto;
		white-space: nowrap;
		min-height: 36px;
	}
}

.list-group {
	--bs-list-group-bg: transparent;
	--bs-list-group-color: var(--ppd-text);
	--bs-list-group-border-color: rgba(180, 230, 255, 0.12);
	--bs-list-group-action-hover-bg: rgba(94, 224, 213, 0.07);
	--bs-list-group-action-hover-color: #ffffff;
	--bs-list-group-action-color: var(--ppd-text);
	--bs-list-group-active-bg: rgba(57, 197, 187, 0.24);
	--bs-list-group-active-border-color: rgba(94, 224, 213, 0.6);
	--bs-list-group-active-color: #ffffff;
}

.pagination {
	--bs-pagination-bg: rgba(255, 255, 255, 0.05);
	--bs-pagination-color: var(--ppd-text-soft);
	--bs-pagination-border-color: rgba(180, 230, 255, 0.24);
	--bs-pagination-hover-bg: rgba(94, 224, 213, 0.12);
	--bs-pagination-hover-color: #ffffff;
	--bs-pagination-hover-border-color: rgba(94, 224, 213, 0.6);
	--bs-pagination-focus-box-shadow: 0 0 0 3px rgba(57, 197, 187, 0.35);
	--bs-pagination-active-bg: rgba(57, 197, 187, 0.26);
	--bs-pagination-active-border-color: rgba(94, 224, 213, 0.85);
	--bs-pagination-active-color: #effffd;
	--bs-pagination-disabled-bg: rgba(255, 255, 255, 0.02);
	--bs-pagination-disabled-color: var(--ppd-faint);
	--bs-pagination-disabled-border-color: rgba(180, 230, 255, 0.1);
	gap: 6px;
	margin: 0;
	font-family: var(--ppd-font-display);
}

.pagination .page-link {
	min-width: 40px;
	height: 40px;
	display: flex;
	align-items: center;
	justify-content: center;
	margin-left: 0 !important;
	-webkit-backdrop-filter: var(--ppd-blur-soft);
	backdrop-filter: var(--ppd-blur-soft);
}

.pagination .active > .page-link {
	box-shadow: 0 0 14px rgba(57, 197, 187, 0.4);
}

/* Side menu (mypage, help, user page): a strip above the content on
   narrow screens, unless .is-vertical (the off-canvas menu). */
.ppd-side-menu .nav-link {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.5rem 0.875rem;
	color: var(--ppd-text-soft);
	border-left: 2px solid transparent;
}

.ppd-side-menu .nav-link:hover {
	color: #ffffff;
	background: rgba(94, 224, 213, 0.07);
}

.ppd-side-menu .nav-link.active {
	color: #ffffff;
	background: rgba(57, 197, 187, 0.14);
	border-left-color: var(--ppd-cyan);
}

@media (max-width: 991.98px) {
	.ppd-side-menu:not(.is-vertical) .nav {
		flex-direction: row !important;
		flex-wrap: nowrap;
		overflow-x: auto;
	}

	.ppd-side-menu:not(.is-vertical) .nav-link {
		white-space: nowrap;
		border-left: 0;
		border-bottom: 2px solid transparent;
	}

	.ppd-side-menu:not(.is-vertical) .nav-link.active {
		border-bottom-color: var(--ppd-cyan);
	}
}

/* ---------------------------------------------------- misc components */

.dropdown-menu {
	--bs-dropdown-link-color: var(--ppd-text-soft);
	--bs-dropdown-link-hover-color: #ffffff;
	--bs-dropdown-link-hover-bg: rgba(94, 224, 213, 0.1);
	--bs-dropdown-link-active-color: #ffffff;
	--bs-dropdown-link-active-bg: rgba(57, 197, 187, 0.28);
	--bs-dropdown-header-color: var(--ppd-muted);
	--bs-dropdown-divider-bg: rgba(180, 230, 255, 0.14);
	--bs-dropdown-item-padding-y: 0.5rem;
}

.modal {
	--bs-modal-bg: rgba(12, 17, 38, 0.72);
	--bs-modal-border-color: var(--ppd-glass-border);
	--bs-modal-header-border-color: rgba(180, 230, 255, 0.14);
	--bs-modal-footer-border-color: rgba(180, 230, 255, 0.14);
}

.modal-backdrop {
	--bs-backdrop-bg: #03050d;
	--bs-backdrop-opacity: 0.6;
}

.offcanvas {
	--bs-offcanvas-bg: rgba(12, 17, 38, 0.72);
	--bs-offcanvas-border-color: var(--ppd-glass-border);
}

.alert {
	-webkit-backdrop-filter: var(--ppd-blur-soft);
	backdrop-filter: var(--ppd-blur-soft);
	--bs-alert-bg: rgba(255, 255, 255, 0.06);
	--bs-alert-border-color: var(--ppd-glass-border);
	--bs-alert-color: var(--ppd-text);
}

.alert-info { --bs-alert-bg: rgba(79, 179, 255, 0.12); --bs-alert-border-color: rgba(79, 179, 255, 0.5); }
.alert-success { --bs-alert-bg: rgba(67, 209, 122, 0.12); --bs-alert-border-color: rgba(67, 209, 122, 0.5); }
.alert-warning { --bs-alert-bg: rgba(255, 194, 61, 0.12); --bs-alert-border-color: rgba(255, 194, 61, 0.5); }
.alert-danger { --bs-alert-bg: rgba(255, 79, 123, 0.12); --bs-alert-border-color: rgba(255, 79, 123, 0.55); }

.progress {
	--bs-progress-bg: rgba(255, 255, 255, 0.1);
	--bs-progress-bar-bg: var(--ppd-cyan);
	--bs-progress-height: 6px;
}

.progress-bar {
	background-image: linear-gradient(90deg, var(--ppd-cyan), #8bf5ec);
	box-shadow: 0 0 12px var(--ppd-cyan);
}

.tooltip {
	--bs-tooltip-bg: rgba(12, 17, 38, 0.92);
	--bs-tooltip-color: var(--ppd-text);
}

/* Outlined tag, e.g. AC / ACFT / creating / hidden. */
.ppd-tag {
	display: inline-flex;
	align-items: center;
	padding: 2px 8px;
	border: 1px solid currentColor;
	background: rgba(7, 10, 23, 0.6);
	font-family: var(--ppd-font-display);
	font-size: 0.6875rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	line-height: 1.5;
	color: var(--ppd-muted);
}

.ppd-tag.is-ac { color: var(--ppd-cyan-light); }
.ppd-tag.is-acft { color: var(--ppd-pink-light); }
.ppd-tag.is-creating { color: var(--ppd-gold); }

/* Chip link, e.g. score tags. */
.ppd-chip {
	display: inline-flex;
	align-items: center;
	gap: 0.375rem;
	min-height: 30px;
	padding: 0 0.75rem;
	font-size: 0.8125rem;
	color: var(--ppd-text-soft);
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid rgba(180, 230, 255, 0.2);
	text-decoration: none;
}

.ppd-chip:hover {
	color: #ffffff;
	border-color: var(--ppd-cyan-light);
}

.ppd-avatar {
	border-radius: 50%;
	object-fit: cover;
	flex: 0 0 auto;
}

/* Star rating text: <span class="ppd-rating"><i class="bi bi-star-fill"></i>4.82</span>. */
.ppd-rating {
	display: inline-flex;
	align-items: center;
	gap: 0.25rem;
	color: var(--ppd-gold);
	font-family: var(--ppd-font-display);
}

/* ---------------------------------------------------------- difficulty */

.ppd-diffs {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 6px;
}

.ppd-diff {
	--ppd-d: var(--ppd-faint);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 2px;
	padding: 0.5rem 0.25rem;
	color: var(--ppd-d);
	background: color-mix(in srgb, var(--ppd-d) 12%, transparent);
	border: 1px solid color-mix(in srgb, var(--ppd-d) 40%, transparent);
	line-height: 1.2;
}

.ppd-diff > small {
	font-size: 0.625rem;
	letter-spacing: 0.08em;
}

.ppd-diff > b {
	font-family: var(--ppd-font-display);
	font-size: 1rem;
	font-weight: 700;
}

.ppd-diff.is-easy { --ppd-d: var(--ppd-easy); }
.ppd-diff.is-normal { --ppd-d: var(--ppd-normal); }
.ppd-diff.is-hard { --ppd-d: var(--ppd-hard); }
.ppd-diff.is-extreme { --ppd-d: var(--ppd-extreme); }

.ppd-diff.is-none {
	color: var(--ppd-faint);
	background: rgba(255, 255, 255, 0.03);
	border-color: rgba(255, 255, 255, 0.06);
}

/* ---------------------------------------------------------- score card */

.ppd-score-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
	gap: 1rem;
	margin-bottom: 1.5rem;
}

.ppd-score-card {
	display: flex;
	flex-direction: column;
	margin-bottom: 0;
	overflow: hidden;
	transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.ppd-score-card:hover {
	transform: translateY(-2px);
	border-color: rgba(94, 224, 213, 0.45);
	box-shadow: var(--ppd-glass-edge), 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(57, 197, 187, 0.15);
}

/* A thin tinted strip: tags on the left, BPM and length on the right. */
.ppd-score-card .ppd-cover {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	min-height: 34px;
	padding: 0.375rem 0.875rem;
	background:
		repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 22px),
		linear-gradient(120deg, color-mix(in srgb, var(--ppd-c1, var(--ppd-cyan)) 40%, transparent), color-mix(in srgb, var(--ppd-c2, var(--ppd-violet)) 25%, transparent) 60%, rgba(7, 10, 23, 0.2));
}

/* Cover tint picked from the score id (score-card5 sets data-tint 0-5). */
.ppd-score-card[data-tint="1"] { --ppd-c1: var(--ppd-pink); --ppd-c2: var(--ppd-violet); }
.ppd-score-card[data-tint="2"] { --ppd-c1: var(--ppd-easy); --ppd-c2: var(--ppd-cyan); }
.ppd-score-card[data-tint="3"] { --ppd-c1: var(--ppd-gold); --ppd-c2: var(--ppd-pink); }
.ppd-score-card[data-tint="4"] { --ppd-c1: var(--ppd-violet); --ppd-c2: var(--ppd-easy); }
.ppd-score-card[data-tint="5"] { --ppd-c1: var(--ppd-cyan); --ppd-c2: var(--ppd-pink); }

.ppd-score-card .ppd-cover-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}

.ppd-score-card .ppd-cover-meta {
	margin-left: auto;
	white-space: nowrap;
	font-family: var(--ppd-font-display);
	font-size: 0.75rem;
	color: rgba(232, 241, 255, 0.88);
}

.ppd-score-card .card-body {
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.ppd-score-card .ppd-score-title {
	display: block;
	font-size: 1.0625rem;
	font-weight: 700;
	color: #ffffff;
	text-decoration: none;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.ppd-score-card .ppd-score-title:hover {
	color: var(--ppd-cyan-light);
}

.ppd-score-card .ppd-comment {
	font-size: 0.8125rem;
	color: var(--ppd-muted);
	overflow-wrap: anywhere;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
	line-clamp: 3;
	overflow: hidden;
}

.ppd-score-card .ppd-score-foot {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.5rem 0.875rem;
	margin-top: auto;
	font-size: 0.8125rem;
	color: var(--ppd-muted);
}

.ppd-score-card .ppd-score-foot .ppd-actions {
	margin-left: auto;
	display: flex;
	gap: 6px;
}

.ppd-score-card .ppd-icon-btn {
	width: 36px;
	height: 36px;
	font-size: 1rem;
}

/* ---------------------------------------------------------- the header */

.ppd-header {
	position: sticky;
	top: 0;
	z-index: 1030;
	border-bottom: 1px solid rgba(180, 230, 255, 0.2);
}

/* The blur sits on a pseudo-element: a backdrop-filter on the header
   itself would make it the backdrop root, and its dropdowns could then
   only blur the header, not the page under them. */
.ppd-header::before {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background: var(--ppd-glass-strong);
	-webkit-backdrop-filter: blur(22px) saturate(140%);
	backdrop-filter: blur(22px) saturate(140%);
}

.ppd-header-inner {
	display: flex;
	align-items: center;
	gap: 0.75rem 1.25rem;
	min-height: var(--ppd-header-h);
	padding-top: 0.5rem;
	padding-bottom: 0.5rem;
}

.ppd-brand {
	display: flex;
	align-items: center;
	gap: 0.625rem;
	color: #ffffff;
	text-decoration: none;
	font-family: var(--ppd-font-display);
	font-size: 1.375rem;
	font-weight: 700;
	letter-spacing: 0.08em;
}

.ppd-brand:hover {
	color: #ffffff;
}

.ppd-nav {
	display: flex;
	flex-wrap: nowrap;
	align-items: center;
	gap: 2px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.ppd-nav-link {
	display: inline-flex;
	align-items: center;
	gap: 0.375rem;
	padding: 0.5rem 0.625rem;
	font-size: 0.875rem;
	font-weight: 500;
	white-space: nowrap;
	color: var(--ppd-text-soft);
	text-decoration: none;
	background: none;
	border: 0;
}

.ppd-nav-link:hover,
.ppd-nav-link:focus-visible,
.ppd-nav-link.show {
	color: #ffffff;
	background: rgba(94, 224, 213, 0.1);
}

.ppd-nav-link.active {
	color: var(--ppd-cyan-light);
	background: rgba(94, 224, 213, 0.12);
}

.ppd-search {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	height: 42px;
	padding: 0 4px 0 0.875rem;
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid rgba(180, 230, 255, 0.24);
	-webkit-backdrop-filter: var(--ppd-blur-soft);
	backdrop-filter: var(--ppd-blur-soft);
}

.ppd-search:focus-within {
	border-color: var(--ppd-cyan);
	box-shadow: 0 0 0 3px rgba(57, 197, 187, 0.25);
}

.ppd-search > .bi {
	color: var(--ppd-muted);
}

.ppd-search input {
	flex: 1;
	min-width: 0;
	background: transparent;
	border: 0;
	outline: none;
	color: var(--ppd-text);
	font-size: 0.875rem;
}

.ppd-search input::placeholder {
	color: var(--ppd-faint);
}

.ppd-search select {
	flex: 0 0 auto;
	max-width: 6.5rem;
	background: rgba(94, 224, 213, 0.12);
	color: var(--ppd-cyan-light);
	border: 0;
	padding: 0.375rem 0.5rem;
	font-size: 0.75rem;
	outline: none;
}

.ppd-search select option {
	background: #10162e;
	color: var(--ppd-text);
}

.ppd-user {
	display: inline-flex;
	align-items: center;
	gap: 0.625rem;
	height: 42px;
	padding: 4px 0.75rem 4px 4px;
	color: var(--ppd-text);
	background: rgba(255, 255, 255, 0.05);
	border: 1px solid rgba(180, 230, 255, 0.24);
	font-family: var(--ppd-font-display);
	font-size: 0.8125rem;
	font-weight: 600;
}

.ppd-user:hover,
.ppd-user.show {
	border-color: rgba(94, 224, 213, 0.6);
	color: #ffffff;
}

/* Avatar inside a level ring; --ppd-progress is 0-100. */
.ppd-level-ring {
	--ppd-progress: 0;
	width: 32px;
	height: 32px;
	padding: 3px;
	border-radius: 50%;
	background: conic-gradient(var(--ppd-cyan) calc(var(--ppd-progress) * 1%), rgba(255, 255, 255, 0.12) 0);
	flex: 0 0 auto;
}

.ppd-level-ring > img {
	display: block;
	width: 100%;
	height: 100%;
	border-radius: 50%;
	object-fit: cover;
	background: #1a2142;
}

/* ------------------------------------------------- main, footer, tabbar */

.ppd-main {
	flex: 1 0 auto;
	padding-top: 2rem;
	padding-bottom: 4rem;
}

.ppd-footer {
	background: rgba(5, 8, 18, 0.3);
	border-top: 1px solid rgba(180, 230, 255, 0.14);
	-webkit-backdrop-filter: var(--ppd-blur);
	backdrop-filter: var(--ppd-blur);
	font-size: 0.8125rem;
	color: var(--ppd-muted);
}

.ppd-footer a {
	color: var(--ppd-text-soft);
	text-decoration: none;
}

.ppd-footer a:hover {
	color: var(--ppd-cyan-light);
}

.ppd-tabbar {
	display: none;
}

@media (max-width: 767.98px) {
	body {
		padding-bottom: calc(var(--ppd-tabbar-h) + env(safe-area-inset-bottom));
	}

	.ppd-main {
		padding-top: 1rem;
		padding-bottom: 2rem;
	}

	.ppd-tabbar {
		position: fixed;
		left: 0;
		right: 0;
		bottom: 0;
		z-index: 1030;
		display: flex;
		height: calc(var(--ppd-tabbar-h) + env(safe-area-inset-bottom));
		padding: 0 0.5rem env(safe-area-inset-bottom);
		background: rgba(9, 14, 32, 0.38);
		border-top: 1px solid rgba(180, 230, 255, 0.2);
		-webkit-backdrop-filter: var(--ppd-blur);
		backdrop-filter: var(--ppd-blur);
	}

	.ppd-tabbar a {
		flex: 1;
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
		gap: 2px;
		font-size: 0.625rem;
		color: var(--ppd-muted);
		text-decoration: none;
	}

	.ppd-tabbar a .bi {
		font-size: 1.25rem;
	}

	.ppd-tabbar a.active {
		color: var(--ppd-cyan-light);
	}

	.ppd-tabbar a.active .bi {
		filter: drop-shadow(0 0 6px rgba(94, 224, 213, 0.6));
	}
}

/* ------------------------------------------------------------ home page */

.ppd-hero {
	background: linear-gradient(135deg, rgba(57, 197, 187, 0.14), rgba(139, 124, 255, 0.06) 55%, rgba(255, 95, 168, 0.1));
	box-shadow: var(--ppd-glass-edge), var(--ppd-shadow);
}

.ppd-contest {
	border-color: rgba(255, 95, 168, 0.4);
	box-shadow: var(--ppd-glass-edge), var(--ppd-shadow);
}

.ppd-rank-list,
.ppd-room-list {
	list-style: none;
	margin: 0;
	padding: 0.5rem;
}

.ppd-rank-list:empty,
.ppd-room-list:empty {
	min-height: 12rem;
}

.ppd-rank-row {
	display: flex;
	align-items: center;
	gap: 0.875rem;
	padding: 0.5rem 0.75rem;
	color: var(--ppd-text);
	text-decoration: none;
}

.ppd-rank-row:hover {
	color: #ffffff;
	background: rgba(94, 224, 213, 0.07);
}

.ppd-rank-no {
	flex: 0 0 28px;
	text-align: center;
	font-family: var(--ppd-font-display);
	font-weight: 700;
	color: var(--ppd-faint);
}

.ppd-rank-no.is-top1,
.ppd-rank-no.is-top2,
.ppd-rank-no.is-top3 {
	font-size: 1.25rem;
	color: var(--ppd-rank-c);
	text-shadow: 0 0 12px var(--ppd-rank-c);
}

.ppd-rank-no.is-top1 { --ppd-rank-c: var(--ppd-cyan-light); }
.ppd-rank-no.is-top2 { --ppd-rank-c: var(--ppd-pink-light); }
.ppd-rank-no.is-top3 { --ppd-rank-c: #b3a8ff; }

.ppd-rank-name {
	flex: 1;
	min-width: 0;
	font-weight: 500;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.ppd-rank-note {
	flex: 0 0 auto;
	font-family: var(--ppd-font-display);
	font-size: 0.8125rem;
	color: var(--ppd-muted);
}

.ppd-rank-note.ppd-rating {
	color: var(--ppd-gold);
	font-size: 0.875rem;
}

.ppd-live {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-family: var(--ppd-font-display);
	font-size: 0.75rem;
	color: #7ff0b0;
}

.ppd-live::before {
	content: "";
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--ppd-normal);
	box-shadow: 0 0 8px var(--ppd-normal);
}

.ppd-room-list {
	display: flex;
	flex-direction: column;
	gap: 0.5rem;
	padding: 0.75rem;
}

.ppd-room {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	padding: 0.75rem 0.875rem;
}

.ppd-room-main {
	flex: 1;
	min-width: 0;
}

.ppd-room-name {
	display: block;
	font-weight: 500;
	overflow-wrap: anywhere;
}

.ppd-room-sub {
	display: block;
	font-size: 0.75rem;
	color: var(--ppd-muted);
}

.ppd-room-count {
	flex: 0 0 auto;
	font-family: var(--ppd-font-display);
	font-size: 0.875rem;
}

.ppd-empty {
	padding: 1rem;
	text-align: center;
	color: var(--ppd-muted);
	font-size: 0.875rem;
}

/* ----------------------------------------------------------- score page */

.ppd-prose {
	overflow-wrap: anywhere;
}

.ppd-prose img {
	max-width: 100%;
	height: auto;
}

.ppd-prose > :last-child {
	margin-bottom: 0;
}

.ppd-stars-view {
	display: inline-flex;
	gap: 2px;
	color: var(--ppd-gold);
}

.ppd-stars-view .bi-star {
	color: var(--ppd-faint);
}

/* Star picker: radios in reverse order so ~ can light the lower stars. */
.ppd-stars-input {
	display: inline-flex;
	flex-direction: row-reverse;
	gap: 4px;
}

.ppd-stars-input input {
	position: absolute;
	opacity: 0;
	width: 1px;
	height: 1px;
}

.ppd-stars-input label {
	font-size: 1.5rem;
	line-height: 1;
	color: var(--ppd-faint);
	cursor: pointer;
	padding: 2px;
}

.ppd-stars-input input:checked ~ label,
.ppd-stars-input label:hover,
.ppd-stars-input label:hover ~ label {
	color: var(--ppd-gold);
	text-shadow: 0 0 10px rgba(255, 194, 61, 0.5);
}

.ppd-stars-input input:focus-visible + label {
	outline: 2px solid var(--ppd-cyan);
}

fieldset:disabled .ppd-stars-input label {
	cursor: default;
	opacity: 0.5;
}

.ppd-facts {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 0.5rem;
}

.ppd-facts > div {
	padding: 0.625rem 0.75rem;
	background: var(--ppd-glass-inner);
	border: 1px solid rgba(180, 230, 255, 0.12);
}

.ppd-facts dt {
	font-size: 0.75rem;
	font-weight: 400;
	color: var(--ppd-muted);
}

.ppd-facts dd {
	margin: 0;
	font-family: var(--ppd-font-display);
	font-size: 1.25rem;
	font-weight: 700;
}

.ppd-diff-tab.is-easy { --ppd-d: var(--ppd-easy); }
.ppd-diff-tab.is-normal { --ppd-d: var(--ppd-normal); }
.ppd-diff-tab.is-hard { --ppd-d: var(--ppd-hard); }
.ppd-diff-tab.is-extreme { --ppd-d: var(--ppd-extreme); }

.nav-tabs .ppd-diff-tab.active {
	color: var(--ppd-d);
	border-bottom-color: var(--ppd-d);
	box-shadow: 0 6px 12px -8px var(--ppd-d);
}

.ppd-ranking-table td {
	white-space: nowrap;
}

.ppd-ranking-table > :not(caption) > * > :first-child {
	padding-left: 1.25rem;
}

.ppd-ranking-table > :not(caption) > * > :last-child {
	padding-right: 1.25rem;
}

/* High score history chart (score-graph.js). */
.ppd-graph {
	position: relative;
	width: 100%;
}

.ppd-chart-plot {
	height: 260px;
	user-select: none;
	cursor: crosshair;
}

.ppd-chart-plot svg {
	display: block;
	overflow: visible;
}

.ppd-chart-axis text {
	fill: var(--ppd-muted);
	font-family: var(--ppd-font-display);
	font-size: 11px;
}

.ppd-chart-grid {
	stroke: rgba(180, 230, 255, 0.1);
	stroke-width: 1;
}

.ppd-chart-line {
	fill: none;
	stroke: var(--ppd-cyan-light);
	stroke-width: 2;
	stroke-linejoin: round;
	filter: drop-shadow(0 0 6px rgba(57, 197, 187, 0.6));
}

/* Points sit on a ring of the surface so overlaps stay readable. */
.ppd-chart-dot {
	fill: var(--ppd-cyan-light);
	stroke: var(--ppd-base);
	stroke-width: 2;
}

.ppd-chart-focus {
	fill: var(--ppd-base);
	stroke: #ffffff;
	stroke-width: 2;
	filter: drop-shadow(0 0 8px var(--ppd-cyan));
}

.ppd-chart-cross {
	stroke: rgba(232, 241, 255, 0.35);
	stroke-width: 1;
	stroke-dasharray: 3 3;
}

.ppd-chart-band {
	fill: rgba(255, 95, 168, 0.16);
	stroke: rgba(255, 140, 192, 0.6);
}

.ppd-chart-reset {
	position: absolute;
	top: 0;
	right: 0;
}

.ppd-graph.is-empty {
	height: auto;
}

.ppd-graph.is-empty::before {
	content: "—";
	color: var(--ppd-faint);
}

.ppd-graph-tip {
	position: absolute;
	z-index: 2;
	display: flex;
	align-items: center;
	gap: 0.75rem;
	padding: 0.625rem 0.875rem;
	background: rgba(12, 17, 38, 0.85);
	border: 1px solid var(--ppd-glass-border);
	-webkit-backdrop-filter: var(--ppd-blur);
	backdrop-filter: var(--ppd-blur);
	box-shadow: var(--ppd-shadow);
	pointer-events: none;
}

.ppd-achievers {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}

.ppd-achievers:empty::before {
	content: "—";
	color: var(--ppd-faint);
}

.ppd-achiever {
	display: block;
	object-fit: cover;
	border: 1px solid rgba(180, 230, 255, 0.24);
	background: #1a2142;
}

.ppd-achiever:hover {
	border-color: var(--ppd-cyan-light);
	box-shadow: 0 0 12px rgba(57, 197, 187, 0.4);
}

/* ------------------------------------------------------------ help pages */

/* Numbered steps: <ol class="ppd-steps">. */
.ppd-steps {
	list-style: none;
	counter-reset: ppd-step;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

.ppd-steps > li {
	counter-increment: ppd-step;
	position: relative;
	padding: 0.875rem 1rem 0.875rem 3.75rem;
	min-height: 3.25rem;
	background: var(--ppd-glass-inner);
	border: 1px solid rgba(180, 230, 255, 0.12);
	color: var(--ppd-text-soft);
}

.ppd-steps > li::before {
	content: counter(ppd-step, decimal-leading-zero);
	position: absolute;
	left: 1rem;
	top: 0.75rem;
	font-family: var(--ppd-font-display);
	font-size: 1.25rem;
	font-weight: 700;
	line-height: 1.4;
	color: var(--ppd-cyan-light);
	text-shadow: 0 0 10px rgba(94, 224, 213, 0.5);
}

.ppd-prose h2 {
	color: #ffffff;
}

.ppd-prose ul {
	padding-left: 1.25rem;
	color: var(--ppd-text-soft);
}

.ppd-prose ul > li + li {
	margin-top: 0.375rem;
}

.ppd-policy h2 {
	margin: 0.125rem 0 0.5rem;
}

/* --------------------------------------------------------------- mypage */

.ppd-achievement-icon {
	flex: 0 0 auto;
	object-fit: cover;
	border: 1px solid rgba(180, 230, 255, 0.24);
}

/* "Show only unread reviews" (#filter) hides read ones without script;
   the empty note shows when that leaves nothing. */
.ppd-reviews-none {
	display: none;
}

body:has(#filter:checked) .ppd-reviews .ScoreReview.Read {
	display: none !important;
}

body:has(#filter:checked) .ppd-reviews:not(:has(.Unread)) .ppd-reviews-none {
	display: block;
}

/* Mypage rank list and comparison (mypage-rank.js). */
.ppd-target.is-active { color: var(--ppd-normal); }
.ppd-target.is-almostActive { color: var(--ppd-normal); opacity: 0.4; }

.ppd-sortable th[data-sort-type] {
	cursor: pointer;
	user-select: none;
}

.ppd-sortable th[aria-sort="ascending"]::after { content: " \25B2"; font-size: 0.625rem; }
.ppd-sortable th[aria-sort="descending"]::after { content: " \25BC"; font-size: 0.625rem; }

/* A difficulty the score does not have. */
.table td.ppd-na {
	background: rgba(255, 255, 255, 0.025);
	color: var(--ppd-faint);
}

.ppd-vs .is-better {
	font-size: 1.15em;
	font-weight: 700;
}

.table td.ppd-vs.is-win { color: var(--ppd-normal); }
.table td.ppd-vs.is-lose { color: var(--ppd-extreme); }
.table td.ppd-vs.is-draw { color: var(--ppd-easy); }

/* Mypage image manager: a masonry of image cards. */
.ppd-attachments {
	columns: 3 220px;
	column-gap: 1rem;
}

.ppd-attachment {
	break-inside: avoid;
	margin: 0 0 1rem;
}

.ppd-attachment img {
	display: block;
	width: 100%;
	height: auto;
	background: rgba(255, 255, 255, 0.04);
}

.ppd-attachments > .ppd-empty {
	column-span: all;
}

/* Mypage stats: label / number rows, sub-items indented. */
.ppd-stats-table th {
	font-size: 0.875rem;
	font-weight: 500;
	letter-spacing: 0;
	color: var(--ppd-text-soft);
}

.ppd-stats-table th.ppd-depth1 {
	padding-left: 2.25rem;
	color: var(--ppd-muted);
}

.ppd-stats-table th.ppd-depth1::before {
	content: "└ ";
	color: var(--ppd-faint);
}

.ppd-stats-table td {
	font-size: 1.0625rem;
	font-weight: 700;
}

/* Mypage account settings. */
.ppd-accordion {
	--bs-accordion-bg: var(--ppd-glass);
	--bs-accordion-color: var(--ppd-text);
	--bs-accordion-border-color: var(--ppd-glass-border);
	--bs-accordion-btn-color: var(--ppd-text);
	--bs-accordion-btn-bg: transparent;
	--bs-accordion-active-color: #ffffff;
	--bs-accordion-active-bg: rgba(57, 197, 187, 0.12);
	--bs-accordion-btn-focus-box-shadow: 0 0 0 3px rgba(57, 197, 187, 0.35);
	--bs-accordion-btn-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%239aa8c7' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M2 5L8 11L14 5'/%3e%3c/svg%3e");
	--bs-accordion-btn-active-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%235ee0d5' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M2 5L8 11L14 5'/%3e%3c/svg%3e");
	-webkit-backdrop-filter: var(--ppd-blur);
	backdrop-filter: var(--ppd-blur);
}

.ppd-accordion .accordion-button {
	font-weight: 700;
}

.ppd-accordion .accordion-button:not(.collapsed) {
	box-shadow: inset 3px 0 0 var(--ppd-cyan);
}

.ppd-error {
	color: var(--ppd-extreme);
}

.ppd-color-field .form-control-color {
	flex: 0 0 3rem;
	padding: 0.25rem;
}

/* The title preview, shown as on the user page: no background, the name
   in white. */
.ppd-title-example {
	display: inline-block;
	color: #ffffff;
	font-size: 1.125rem;
	font-weight: 700;
}

/* ----------------------------------------------------------- user pages */

/* A user page with the user's own background colour or picture
   (partials5/user.html marks it with .ppd-user-bg) drops the site backdrop
   and makes the panels nearly opaque so text stays readable over it. */
body:has(.ppd-user-bg) .ppd-backdrop {
	display: none;
}

body:has(.ppd-user-bg) {
	--ppd-glass: rgba(12, 17, 38, 0.84);
	--ppd-glass-strong: rgba(9, 14, 32, 0.88);
}

body:has(.ppd-user-bg) .ppd-footer {
	background: rgba(5, 8, 18, 0.88);
}

.ppd-profile h1 {
	color: #ffffff;
}

/* Achievement titles in the user's own colour, on no background of their
   own (dark colours chosen for the old white pages stay dark). */
.ppd-title-chip {
	display: inline-block;
	font-weight: 700;
}

/* Controls outside the panels need the same solid backing. */
body:has(.ppd-user-bg) .pagination {
	--bs-pagination-bg: rgba(12, 17, 38, 0.84);
	--bs-pagination-disabled-bg: rgba(12, 17, 38, 0.7);
	--bs-pagination-active-bg: rgba(20, 70, 76, 0.95);
}

body:has(.ppd-user-bg) .btn-secondary {
	--bs-btn-bg: rgba(12, 17, 38, 0.84);
	--bs-btn-hover-bg: rgba(24, 32, 62, 0.92);
}

.ppd-user-page .col-lg-3 > .card {
	margin-bottom: 0;
}

/* -------------------------------------------------------------- forum */

.ppd-board {
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ppd-board:hover {
	border-color: rgba(94, 224, 213, 0.5);
	box-shadow: var(--ppd-glass-edge), 0 0 24px rgba(57, 197, 187, 0.15);
}

.breadcrumb {
	--bs-breadcrumb-divider-color: var(--ppd-faint);
	--bs-breadcrumb-item-active-color: var(--ppd-muted);
}

.ppd-post-author {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	flex: 0 0 auto;
}

@media (min-width: 768px) {
	.ppd-post-author {
		flex-direction: column;
		width: 9rem;
		text-align: center;
	}
}

/* Item shop rows: a whole-row button opening the confirmation. */
.ppd-shop-item {
	display: flex;
	align-items: center;
	gap: 1rem;
	width: 100%;
	padding: 0.875rem 1.25rem;
	color: inherit;
	background: none;
	border: 0;
	text-align: left;
}

.ppd-shop-item:hover {
	background: rgba(94, 224, 213, 0.07);
}

.ppd-shop-item:focus-visible {
	outline: 2px solid var(--ppd-cyan);
	outline-offset: -2px;
}

/* --------------------------------------------- Bootstrap 3 leftovers */

/* A few Bootstrap 3 helpers still in form markup on layout5 pages. */
.form-group {
	margin-bottom: 1rem;
}

.form-group > label:first-child {
	display: block;
	margin-bottom: 0.375rem;
}

.center-block {
	display: block;
	margin-left: auto;
	margin-right: auto;
}

.pull-right {
	float: right !important;
}

.pull-left {
	float: left !important;
}

/* Sign-in style cards; floating labels on the dark inputs. */
.ppd-auth {
	box-shadow: var(--ppd-glass-edge), var(--ppd-shadow), 0 0 60px rgba(57, 197, 187, 0.12);
}

.form-floating > label {
	color: var(--ppd-muted);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
	color: var(--ppd-cyan-light);
}

.form-floating > .form-control:focus ~ label::after,
.form-floating > .form-control:not(:placeholder-shown) ~ label::after {
	background: transparent;
}