:root {
	color-scheme: light;
	--page: #f8fafc;
	--page-mid: #f1f5f9;
	--surface: #ffffff;
	--panel: rgba(255, 255, 255, 0.78);
	--ink: #0f172a;
	--muted: #64748b;
	--label: #334155;
	--line: #dbe3ec;
	--field-border: #cbd5e1;
	--placeholder: #94a3b8;
	--green: #0f766e;
	--button-bg: linear-gradient(110deg, #14b8a6, #0d9488);
	--button-hover: #0f766e;
	--lime: #f0fdfa;
	--coral: #7c3aed;
	--bar-secondary: #2563eb;
	--bar-track: #e2e8f0;
	--tooltip-bg: #ffffff;
	--tooltip-ink: #0f172a;
	--rank: #94a3b8;
	--footer: #64748b;
	--danger: #be123c;
	--shadow: 0 18px 48px rgba(15, 23, 42, 0.14);
}

* { box-sizing: border-box; }

body {
	min-width: 320px;
	min-height: 100vh;
	margin: 0;
	background-image:
		linear-gradient(rgba(15, 118, 110, 0.035) 1px, transparent 1px),
		linear-gradient(90deg, rgba(15, 118, 110, 0.035) 1px, transparent 1px),
		linear-gradient(125deg, var(--page), var(--page-mid), var(--page));
	background-size: 64px 64px, 64px 64px, 100% 100%;
	color: var(--ink);
	font-family: "Aptos", "Segoe UI", sans-serif;
}

button, input { font: inherit; }

.shell {
	width: min(100% - 48px, 1024px);
	margin: 0 auto;
	padding: 38px 0 72px;
}

.topline {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 58px;
	color: var(--muted);
	font-size: 13px;
}

.top-actions {
	display: flex;
	align-items: center;
	gap: 10px;
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	color: var(--ink);
	font-size: 14px;
	font-weight: 700;
}

.brand-mark {
	display: grid;
	width: 28px;
	aspect-ratio: 1;
	place-items: center;
	border-radius: 8px;
	background: var(--green);
	color: var(--lime);
	font-family: Georgia, serif;
	font-size: 17px;
}

.icon-button {
	display: grid;
	width: 36px;
	height: 36px;
	place-items: center;
	border: 1px solid var(--line);
	border-radius: 6px;
	background: var(--surface);
	color: var(--ink);
	font-size: 19px;
	line-height: 1;
	cursor: pointer;
}

.icon-button:hover { border-color: var(--green); color: var(--green); }
.icon-button:disabled { cursor: wait; opacity: 0.6; }

.key-button {
	min-height: 36px;
	padding: 0 12px;
	border: 0;
	border-radius: 6px;
	background: var(--button-bg);
	color: #fff;
	font-size: 12px;
	font-weight: 700;
	cursor: pointer;
}

.key-button:hover { background: var(--button-hover); }

.eyebrow {
	margin: 0 0 13px;
	color: var(--green);
	font-size: 12px;
	font-weight: 700;
	text-transform: uppercase;
}

h1 {
	margin: 0;
	font-family: Georgia, "Noto Serif SC", serif;
	font-size: clamp(34px, 5vw, 50px);
	font-weight: 500;
	line-height: 1.12;
}

.intro {
	display: flex;
	align-items: end;
	justify-content: space-between;
	gap: 28px;
	margin-bottom: 30px;
}

.intro-note {
	max-width: 300px;
	margin: 0 0 4px;
	color: var(--muted);
	font-size: 14px;
	line-height: 1.7;
}

.key-field { flex: 1; min-width: 0; }

.key-field label {
	display: block;
	margin: 0 0 8px;
	color: var(--label);
	font-size: 12px;
	font-weight: 700;
}

.key-field input {
	width: 100%;
	height: 44px;
	padding: 0 13px;
	border: 1px solid var(--field-border);
	border-radius: 6px;
	outline: none;
	background: var(--surface);
	color: var(--ink);
	transition: border-color 150ms ease, box-shadow 150ms ease;
}

.key-field input:focus {
	border-color: var(--green);
	box-shadow: 0 0 0 3px rgba(40, 105, 79, 0.12);
}

.key-field input::placeholder { color: var(--placeholder); }

.submit-button {
	flex: 0 0 auto;
	height: 44px;
	padding: 0 20px;
	border: 0;
	border-radius: 6px;
	background: var(--button-bg);
	color: #fff;
	font-size: 14px;
	font-weight: 700;
	cursor: pointer;
	transition: background 150ms ease, transform 150ms ease;
}

.submit-button:hover:not(:disabled) { background: var(--button-hover); transform: translateY(-1px); }
.submit-button:disabled { cursor: wait; opacity: 0.72; }

.feedback {
	min-height: 24px;
	margin: 10px 3px 0;
	color: var(--muted);
	font-size: 13px;
}

.feedback[data-kind="error"] { color: var(--danger); }
.feedback[data-kind="success"] { color: var(--green); }

.key-dialog {
	width: min(440px, calc(100% - 32px));
	max-width: none;
	padding: 24px;
	border: 1px solid var(--line);
	border-radius: 10px;
	background: var(--surface);
	color: var(--ink);
	box-shadow: var(--shadow);
}

.key-dialog::backdrop {
	background: rgba(14, 20, 15, 0.54);
	backdrop-filter: blur(2px);
}

.dialog-heading {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
}

.dialog-heading .eyebrow { margin-bottom: 7px; }
.dialog-heading h2 { font-size: 22px; }
.dialog-close { flex: 0 0 auto; font-size: 22px; }

.dialog-description {
	margin: 15px 0 21px;
	color: var(--muted);
	font-size: 13px;
	line-height: 1.6;
}

.key-form { display: grid; gap: 14px; }
.key-form .submit-button { width: 100%; }
.dialog-feedback { margin: 11px 0 0; }

.overview {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	margin: 26px 0 34px;
	border-top: 1px solid var(--line);
	border-bottom: 1px solid var(--line);
}

.metric { padding: 19px 20px 20px 0; }
.metric + .metric { padding-left: 22px; border-left: 1px solid var(--line); }
.metric-label { display: block; margin-bottom: 8px; color: var(--muted); font-size: 12px; }
.metric-value { display: block; overflow: hidden; font-size: 23px; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.metric-value.is-name { font-size: 18px; }

.list-heading {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	margin-bottom: 5px;
}

h2 { margin: 0; font-size: 18px; font-weight: 700; }
.list-caption { color: var(--muted); font-size: 12px; }

.heading-controls {
	display: flex;
	align-items: center;
	gap: 16px;
}

.range-switch {
	display: inline-flex;
	padding: 3px;
	border: 1px solid var(--line);
	border-radius: 7px;
	background: var(--panel);
}

.range-button {
	min-height: 29px;
	padding: 0 11px;
	border: 0;
	border-radius: 4px;
	background: transparent;
	color: var(--muted);
	font-size: 12px;
	cursor: pointer;
}

.range-button.is-active {
	background: var(--green);
	color: #fff;
}

.usage-list { border-top: 1px solid var(--line); }

.usage-row {
	padding: 20px 0 18px;
	border-bottom: 1px solid var(--line);
	animation: reveal 350ms both;
}

.row-top {
	display: grid;
	grid-template-columns: 34px minmax(0, 1fr) 260px;
	align-items: center;
	gap: 10px;
	margin-bottom: 12px;
}

.rank {
	color: var(--rank);
	font-family: Georgia, serif;
	font-size: 14px;
}

.username {
	overflow: hidden;
	font-size: 15px;
	font-weight: 650;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.row-amount {
	display: grid;
	grid-template-columns: 6ch minmax(0, 1fr);
	align-items: baseline;
	gap: 10px;
	width: 260px;
	white-space: nowrap;
}

.row-percent { color: var(--green); font-size: 14px; font-weight: 750; }
.row-percent { justify-self: stretch; text-align: right; }
.row-tokens { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }
.row-tokens { text-align: right; }

.bar-track {
	height: 8px;
	flex: 1 1 auto;
	min-width: 0;
	overflow: visible;
	border-radius: 0;
	background: var(--bar-track);
}

.bar-fill {
	display: flex;
	gap: 2px;
	width: 0;
	height: 100%;
	border-radius: 0;
	overflow: visible;
}

.bar-segment {
	position: relative;
	display: block;
	flex: 0 1 0;
	min-width: 0;
	height: 100%;
	cursor: help;
}

.segment-tooltip {
	position: fixed;
	display: grid;
	z-index: 20;
	grid-template-columns: minmax(82px, 1fr) auto;
	column-gap: 16px;
	row-gap: 3px;
	min-width: 156px;
	max-width: calc(100vw - 16px);
	padding: 5px 8px;
	border-radius: 4px;
	background: var(--tooltip-bg);
	color: var(--tooltip-ink);
	font-size: 11px;
	font-weight: 500;
	line-height: 1.3;
	pointer-events: none;
	text-align: left;
	white-space: nowrap;
}

.tooltip-period { grid-column: 1 / -1; margin-bottom: 2px; }
.tooltip-value { text-align: right; font-variant-numeric: tabular-nums; }

.bar-segment--older { background: var(--green); }
.bar-segment--yesterday { background: var(--bar-secondary); }
.bar-segment--today { background: var(--coral); }

.bar-line {
	margin-left: 44px;
}

.empty-state {
	padding: 36px 12px;
	color: var(--muted);
	font-size: 14px;
	text-align: center;
}

.footer {
	display: flex;
	justify-content: space-between;
	gap: 16px;
	margin-top: 25px;
	color: var(--footer);
	font-size: 11px;
}

[hidden] { display: none !important; }

@keyframes reveal {
	from { opacity: 0; transform: translateY(7px); }
	to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
	.shell { width: min(100% - 32px, 520px); padding-top: 24px; }
	.topline { margin-bottom: 42px; }
	.intro { display: block; margin-bottom: 23px; }
	.intro-note { margin-top: 12px; }
	.top-actions { gap: 6px; }
	.top-actions > span { font-size: 11px; }
	.key-button { padding: 0 9px; font-size: 11px; }
	.submit-button { padding: 0 14px; }
	.overview { margin: 20px 0 28px; }
	.metric { padding-right: 10px; }
	.metric + .metric { padding-left: 12px; }
	.metric-value { font-size: 19px; }
	.metric-value.is-name { font-size: 15px; }
	.row-top { grid-template-columns: 25px minmax(0, 1fr); gap: 7px; }
	.row-amount { grid-column: 2; width: 100%; }
	.bar-line { gap: 7px; margin-left: 32px; }
	.daily-summary { gap: 4px; font-size: 10px; }
	.list-heading { align-items: flex-start; flex-direction: column; }
	.heading-controls { width: 100%; justify-content: space-between; gap: 8px; }
	.range-button { padding: 0 9px; }
	.footer { flex-direction: column; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

:root[data-theme="dark"] {
	color-scheme: dark;
	--page: #020617;
	--page-mid: #0f172a;
	--surface: #0f172a;
	--panel: rgba(30, 41, 59, 0.72);
	--ink: #f3f4f6;
	--muted: #94a3b8;
	--label: #cbd5e1;
	--line: rgba(51, 65, 85, 0.72);
	--field-border: #475569;
	--placeholder: #64748b;
	--green: #2dd4bf;
	--button-bg: linear-gradient(110deg, #14b8a6, #0d9488);
	--button-hover: #0f766e;
	--lime: #042f2e;
	--coral: #a78bfa;
	--bar-secondary: #60a5fa;
	--bar-track: #334155;
	--tooltip-bg: #1e293b;
	--tooltip-ink: #f3f4f6;
	--rank: #94a3b8;
	--footer: #64748b;
	--danger: #fda4af;
	--shadow: 0 18px 48px rgba(0, 0, 0, 0.38);
}

:root[data-theme="dark"] body {
	background-image:
		linear-gradient(rgba(20, 184, 166, 0.03) 1px, transparent 1px),
		linear-gradient(90deg, rgba(20, 184, 166, 0.03) 1px, transparent 1px),
		linear-gradient(125deg, var(--page), var(--page-mid), var(--page));
}

:root[data-theme="dark"] .key-field input:focus { box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.18); }

:root[data-theme="dark"] .submit-button {
	color: #fff;
}