:root {
	--cq-bg: #fbf7ee;
	--cq-ink: #2f2a25;
	--cq-ink-soft: #5a5149;
	--cq-accent: #2c6b5f;
	--cq-accent-2: #a56a2a;
	--cq-border: rgba(47, 42, 37, 0.14);
	--cq-border-strong: rgba(47, 42, 37, 0.24);
	--cq-shadow: rgba(47, 42, 37, 0.08);
	--cq-radius: 14px;
	--cq-max: 780px;

	--cq-sans:
		"Atkinson Hyperlegible", "Segoe UI", Arial, Helvetica, sans-serif;

	--cq-serif: var(--cq-sans);

	--cq-mono:
		"Atkinson Hyperlegible Mono", "Cascadia Mono", "SFMono-Regular",
		Consolas, "Liberation Mono", monospace;
}

/* ------------------------------
Base
------------------------------ */

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	min-height: 100%;
	scroll-behavior: smooth;
	background: var(--cq-bg);
	color: var(--cq-ink);
}

body {
	min-height: 100vh;
	margin: 0;
	background: var(--cq-bg);
	color: var(--cq-ink);
	font-family: var(--cq-sans);
	font-size: 1rem;
	line-height: 1.65;
	text-rendering: optimizeLegibility;
	-webkit-font-smoothing: antialiased;
}

body::before {
	content: "";
	position: fixed;
	inset: 0;
	z-index: -1;
	pointer-events: none;
	background:
		radial-gradient(
			circle at 20% 10%,
			rgba(165, 106, 42, 0.06),
			transparent 35%
		),
		radial-gradient(
			circle at 80% 25%,
			rgba(44, 107, 95, 0.05),
			transparent 40%
		),
		radial-gradient(
			circle at 30% 80%,
			rgba(47, 42, 37, 0.05),
			transparent 45%
		),
		linear-gradient(
			0deg,
			rgba(255, 255, 255, 0.25),
			rgba(255, 255, 255, 0.25)
		);
	mix-blend-mode: multiply;
	opacity: 0.5;
}

button,
input,
select,
textarea {
	font: inherit;
}

button,
select,
input[type="checkbox"],
summary {
	cursor: pointer;
}

button:disabled {
	cursor: not-allowed;
	opacity: 0.55;
}

h1,
h2,
h3,
h4,
h5,
h6,
.site-title {
	margin-top: 0;
	font-family: var(--cq-serif);
	letter-spacing: 0.2px;
	color: var(--cq-ink);
}

h1 {
	margin-bottom: 0.65rem;
	font-size: clamp(2.25rem, 8vw, 4.4rem);
	line-height: 1;
	letter-spacing: 0.4px;
}

h2 {
	margin-bottom: 0.55rem;
	font-size: clamp(1.8rem, 5vw, 2.6rem);
	line-height: 1.12;
}

p {
	margin-top: 0;
}

a {
	color: var(--cq-accent);
	text-decoration: none;
	border-bottom: 1px solid rgba(44, 107, 95, 0.35);
	transition:
		border-color 0.15s ease,
		color 0.15s ease,
		background 0.15s ease;
}

a:hover {
	color: var(--cq-accent);
	border-bottom-color: rgba(44, 107, 95, 0.75);
	background: rgba(44, 107, 95, 0.06);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
	outline: 3px solid rgba(44, 107, 95, 0.22);
	outline-offset: 3px;
}

::selection {
	background: rgba(165, 106, 42, 0.22);
}

/* ------------------------------
Header and navigation
------------------------------ */

.site-header {
	border-bottom: 1px solid var(--cq-border);
	background: rgba(251, 247, 238, 0.84);
	backdrop-filter: blur(8px);
	position: sticky;
	top: 0;
	z-index: 10;
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: min(1100px, 92vw);
	margin: 0 auto;
	padding: 1rem 0;
	gap: 1.5rem;
}

.site-title {
	flex-shrink: 0;
	font-size: 1.4rem;
	font-weight: 700;
	line-height: 1;
	border-bottom: 0;
}

.site-title:hover {
	background: transparent;
}

.site-nav {
	display: flex;
	flex-wrap: wrap;
	justify-content: flex-end;
	gap: 1rem;
}

.site-nav a {
	color: var(--cq-ink-soft);
	font-size: 0.95rem;
	border-bottom: 0;
}

.site-nav a:hover {
	color: var(--cq-accent);
	background: transparent;
}

/* ------------------------------
Main layout
------------------------------ */

.card-draw-app {
	display: grid;
	width: min(var(--cq-max), 92vw);
	margin: 0 auto;
	padding: clamp(2.5rem, 8vw, 5.5rem) 0;
	gap: 1.5rem;
}

.draw-panel,
.settings-panel,
.history-panel,
.remaining-cards-panel {
	border: 1px solid var(--cq-border);
	border-radius: var(--cq-radius);
	background: rgba(255, 255, 255, 0.55);
	box-shadow: 0 10px 30px var(--cq-shadow);
	backdrop-filter: blur(3px);
}

.draw-panel,
.history-panel {
	padding: clamp(1.3rem, 4vw, 2.25rem);
}

.draw-panel {
	text-align: center;
}

.draw-panel__header,
.settings-panel__header,
.history-panel__header {
	margin-bottom: 1.5rem;
}

.draw-panel__header p:last-child,
.settings-panel__header p:last-child {
	max-width: 38rem;
	margin-right: auto;
	margin-bottom: 0;
	margin-left: auto;
	color: var(--cq-ink-soft);
}

.eyebrow {
	margin-bottom: 0.45rem;
	color: var(--cq-accent-2);
	font-size: 0.76rem;
	font-weight: 700;
	letter-spacing: 0.13em;
	text-transform: uppercase;
}

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

.current-card {
	display: grid;
	min-height: 12rem;
	margin: 1.75rem 0 1.1rem;
	padding: clamp(1.5rem, 6vw, 3rem);
	place-content: center;
	border-top: 1px solid var(--cq-border);
	border-bottom: 1px solid var(--cq-border);
	background: linear-gradient(
		90deg,
		transparent,
		rgba(165, 106, 42, 0.045),
		transparent
	);
}

.current-card__label {
	margin-bottom: 0.45rem;
	color: var(--cq-ink-soft);
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.current-card__value {
	margin: 0;
	font-family: var(--cq-sans);
	font-size: clamp(2rem, 8vw, 3.8rem);
	font-weight: 700;
	line-height: 1.05;
	text-wrap: balance;
}

.remaining-count {
	margin-bottom: 1.25rem;
	color: var(--cq-ink-soft);
	font-size: 0.95rem;
}

/* ------------------------------
Buttons
------------------------------ */

.draw-actions,
.settings-actions,
.history-actions,
.fieldset-actions {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0.7rem;
}

button,
.button {
	border: 1px solid rgba(44, 107, 95, 0.35);
	border-radius: 999px;
	background: rgba(44, 107, 95, 0.1);
	color: var(--cq-ink);
	padding: 0.7rem 1.1rem;
	font-weight: 700;
	line-height: 1.2;
	transition:
		transform 0.08s ease,
		background 0.15s ease,
		border-color 0.15s ease,
		box-shadow 0.15s ease;
}

button:hover,
.button:hover {
	border-color: rgba(44, 107, 95, 0.55);
	background: rgba(44, 107, 95, 0.16);
	transform: translateY(-1px);
}

button:active,
.button:active {
	transform: translateY(0);
}

.button--primary {
	border-color: var(--cq-accent);
	background: var(--cq-accent);
	color: #fffdf7;
	box-shadow: 0 7px 18px rgba(44, 107, 95, 0.16);
}

.button--primary:hover {
	border-color: #245b51;
	background: #245b51;
}

.button--secondary {
	background: rgba(255, 255, 255, 0.36);
}

.text-button {
	padding: 0;
	border: 0;
	border-radius: 0;
	background: transparent;
	color: var(--cq-accent);
	font-size: 0.9rem;
	font-weight: 700;
	text-decoration: underline;
	text-decoration-color: rgba(44, 107, 95, 0.35);
	text-underline-offset: 0.18em;
}

.text-button:hover {
	border: 0;
	background: transparent;
	text-decoration-color: rgba(44, 107, 95, 0.75);
	transform: none;
}

/* ------------------------------
Shared collapsible panels
------------------------------ */

.settings-panel,
.remaining-cards-panel {
	overflow: hidden;
	padding: 0;
}

.settings-panel details,
.remaining-cards-panel details {
	padding: 0;
}

.settings-panel summary,
.remaining-cards-panel summary {
	position: relative;
	display: block;
	padding: 1.15rem 3rem 1.15rem 1.25rem;
	list-style: none;
	color: var(--cq-ink);
	font-family: var(--cq-sans);
	font-size: 1.12rem;
	font-weight: 700;
	line-height: 1.35;
	transition:
		background 0.15s ease,
		color 0.15s ease;
}

.settings-panel summary::-webkit-details-marker,
.remaining-cards-panel summary::-webkit-details-marker {
	display: none;
}

.settings-panel summary::marker,
.remaining-cards-panel summary::marker {
	content: "";
}

.settings-panel summary::after,
.remaining-cards-panel summary::after {
	content: "+";
	position: absolute;
	top: 50%;
	right: 1.25rem;
	color: var(--cq-accent);
	font-family: var(--cq-sans);
	font-size: 1.4rem;
	font-weight: 400;
	line-height: 1;
	transform: translateY(-50%);
}

.settings-panel details[open] summary::after,
.remaining-cards-panel details[open] summary::after {
	content: "−";
}

.settings-panel details[open] summary,
.remaining-cards-panel details[open] summary {
	border-bottom: 1px solid var(--cq-border);
}

.settings-panel summary:hover,
.remaining-cards-panel summary:hover {
	background: rgba(44, 107, 95, 0.04);
}

.settings-panel__content {
	padding: clamp(1.3rem, 4vw, 2.25rem);
}

/* ------------------------------
Form structure
------------------------------ */

.settings-panel form {
	display: grid;
	gap: 1.15rem;
}

fieldset {
	min-width: 0;
	margin: 0;
	padding: 1.15rem;
	border: 1px solid var(--cq-border);
	border-radius: 12px;
	background: rgba(251, 247, 238, 0.42);
}

legend {
	padding: 0 0.45rem;
	font-family: var(--cq-sans);
	font-size: 1.15rem;
	font-weight: 700;
	color: var(--cq-ink);
}

.form-field {
	display: grid;
	gap: 0.45rem;
}

.form-field > label {
	font-weight: 700;
}

input[type="text"],
select,
textarea {
	width: 100%;
	min-height: 2.8rem;
	border: 1px solid var(--cq-border);
	border-radius: 12px;
	background: rgba(255, 255, 255, 0.7);
	color: var(--cq-ink);
	padding: 0.65rem 0.8rem;
}

select {
	padding-right: 2.4rem;
}

input[type="text"]:hover,
select:hover,
textarea:hover {
	border-color: var(--cq-border-strong);
}

input[type="text"]:focus,
select:focus,
textarea:focus {
	outline: none;
	border-color: rgba(44, 107, 95, 0.55);
	box-shadow: 0 0 0 4px rgba(44, 107, 95, 0.1);
}

#shuffle-seed {
	font-family: var(--cq-mono);
}

input[type="checkbox"] {
	width: 1.05rem;
	height: 1.05rem;
	margin: 0;
	accent-color: var(--cq-accent);
}

.checkbox-grid,
.stacked-options {
	display: grid;
	gap: 0.65rem;
}

.checkbox-grid {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.checkbox-grid--ranks {
	grid-template-columns: repeat(4, minmax(0, 1fr));
}

.checkbox-grid label,
.stacked-options label {
	display: flex;
	align-items: center;
	gap: 0.55rem;
	min-width: 0;
}

.checkbox-grid label {
	padding: 0.55rem 0.65rem;
	border: 1px solid transparent;
	border-radius: 10px;
	transition:
		border-color 0.15s ease,
		background 0.15s ease;
}

.checkbox-grid label:hover {
	border-color: var(--cq-border);
	background: rgba(44, 107, 95, 0.045);
}

.fieldset-actions {
	justify-content: flex-start;
	margin-top: 0.85rem;
}

.field-help {
	margin: 0;
	color: var(--cq-ink-soft);
	font-size: 0.88rem;
}

.settings-actions {
	justify-content: flex-start;
	margin-top: 0.2rem;
}

.form-message {
	min-height: 1.5em;
	margin: 0;
	color: var(--cq-ink-soft);
	font-size: 0.92rem;
}

.form-message[data-type="success"] {
	color: var(--cq-accent);
}

.form-message[data-type="error"] {
	color: #8a3f30;
}

/* ------------------------------
History
------------------------------ */

.draw-history {
	margin: 0;
	padding-left: 2.25rem;
}

.draw-history li {
	padding: 0.18rem 0 0.18rem 0.2rem;
	line-height: 1.55;
}

.draw-history li::marker {
	color: var(--cq-accent-2);
	font-family: var(--cq-sans);
	font-weight: 700;
}

.draw-history__empty {
	color: var(--cq-ink-soft);
	font-style: italic;
}

.draw-history__empty::marker {
	content: "";
}

.history-actions {
	justify-content: flex-start;
	margin-top: 1.25rem;
}

/* ------------------------------
Remaining cards
------------------------------ */

.remaining-cards-list {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	margin: 0;
	padding: 1.2rem 1.25rem 1.35rem 2.7rem;
	gap: 0.35rem 1.5rem;
}

.remaining-cards-list li::marker {
	color: var(--cq-accent-2);
}

/* ------------------------------
Footer
------------------------------ */

.site-footer {
	width: min(var(--cq-max), 92vw);
	margin: 0 auto;
	padding: 0 0 2.5rem;
	color: var(--cq-ink-soft);
	font-size: 0.88rem;
	text-align: center;
}

.site-footer p {
	margin: 0;
}

/* ------------------------------
Reduced motion
------------------------------ */

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
	}
}

/* ------------------------------
Small screens
------------------------------ */

@media (max-width: 640px) {
	.site-header__inner {
		align-items: flex-start;
		flex-direction: column;
		gap: 0.8rem;
	}

	.site-nav {
		justify-content: flex-start;
	}

	.card-draw-app {
		width: min(94vw, var(--cq-max));
		padding: 2rem 0 3.5rem;
	}

	.draw-panel,
	.history-panel {
		padding: 1.15rem;
	}

	.settings-panel__content {
		padding: 1.15rem;
	}

	.current-card {
		min-height: 10rem;
		margin-top: 1.3rem;
	}

	.checkbox-grid--ranks {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.remaining-cards-list {
		grid-template-columns: 1fr;
	}

	.draw-actions,
	.settings-actions,
	.history-actions {
		align-items: stretch;
		flex-direction: column;
	}

	.draw-actions button,
	.settings-actions button,
	.history-actions button {
		width: 100%;
	}
}

@media (max-width: 420px) {
	.checkbox-grid,
	.checkbox-grid--ranks {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}