:root {
	--bg: #0d1417;
	--bg-deep: #0a1012;
	--panel: rgba(18, 31, 35, 0.9);
	--panel-strong: rgba(23, 39, 44, 0.96);
	--line: rgba(255, 255, 255, 0.08);
	--text: #e9f2f1;
	--muted: #9eb2b0;
	--accent: #3bb39a;
	--accent-strong: #72d8c2;
	--accent-soft: rgba(59, 179, 154, 0.14);
	--signal: #8ad7b4;
	--signal-soft: rgba(138, 215, 180, 0.14);
	--warning: #7fc7ff;
	--warning-soft: rgba(127, 199, 255, 0.12);
	--shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
}

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

body {
	min-height: 100vh;
	background:
		radial-gradient(circle at top left, rgba(114, 216, 194, 0.16), transparent 26%),
		linear-gradient(180deg, #10191c 0%, var(--bg-deep) 100%);
	color: var(--text);
	font-family: "Manrope", "Segoe UI", sans-serif;
	line-height: 1.5;
}

a,
	button,
	textarea {
	font: inherit;
}

a {
	color: inherit;
	text-decoration: none;
}

button,
textarea {
	outline: 0;
}

button:focus-visible,
textarea:focus-visible,
a:focus-visible {
	outline: 3px solid rgba(114, 216, 194, 0.45);
	outline-offset: 3px;
}

.page-shell {
	width: min(1180px, calc(100% - 32px));
	margin: 0 auto;
	padding: 34px 0 40px;
}

.hero {
	display: grid;
	grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.85fr);
	gap: 24px;
	margin-bottom: 28px;
}

.hero-copy,
.hero-card,
.panel,
.summary-card,
.note-card {
	border: 1px solid var(--line);
	background: var(--panel);
	box-shadow: var(--shadow);
	backdrop-filter: blur(16px);
}

.hero-copy,
.hero-card,
.panel {
	border-radius: 28px;
	padding: 32px;
}

.back-link,
.eyebrow,
.panel-kicker {
	display: inline-flex;
	align-items: center;
	width: fit-content;
	padding: 8px 14px;
	border-radius: 999px;
	background: var(--accent-soft);
	color: var(--accent-strong);
	font-size: 0.8rem;
	font-weight: 800;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.back-link {
	margin-bottom: 18px;
	background: rgba(255, 255, 255, 0.04);
	color: var(--muted);
	text-transform: none;
	letter-spacing: 0;
}

.hero h1 {
	margin-top: 18px;
	font-size: clamp(2.6rem, 5vw, 4.8rem);
	line-height: 0.94;
	letter-spacing: -0.05em;
}

.hero p,
.hero-card p,
.summary-card span,
.note-card span,
.editor-meta span,
.status-banner p {
	color: var(--muted);
}

.hero p {
	max-width: 54ch;
	margin-top: 18px;
	font-size: 1.04rem;
}

.hero-card {
	display: flex;
	flex-direction: column;
	justify-content: center;
	gap: 14px;
	background:
		linear-gradient(180deg, rgba(114, 216, 194, 0.08), transparent 50%),
		var(--panel-strong);
}

.hero-card strong {
	font-size: 1.8rem;
	letter-spacing: -0.03em;
}

.workspace-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
	gap: 24px;
}

.tool-form,
.result-panel {
	display: grid;
	gap: 18px;
}

.panel-heading {
	margin-bottom: 22px;
}

.panel-heading h2 {
	margin-top: 14px;
	font-size: clamp(1.55rem, 3vw, 2.1rem);
	letter-spacing: -0.04em;
}

.editor-meta {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 12px;
	font-size: 0.95rem;
}

.editor-meta label {
	font-weight: 700;
}

textarea {
	width: 100%;
	min-height: 300px;
	resize: vertical;
	padding: 18px 20px;
	border: 1px solid rgba(255, 255, 255, 0.08);
	border-radius: 22px;
	background: rgba(255, 255, 255, 0.03);
	color: var(--text);
}

textarea::placeholder {
	color: rgba(233, 242, 241, 0.45);
}

.security-notes {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px;
}

.note-card,
.summary-card {
	display: grid;
	gap: 8px;
	padding: 18px;
	border-radius: 20px;
}

.note-card strong,
.summary-card strong {
	font-size: 1.02rem;
	letter-spacing: -0.02em;
}

.form-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
}

button,
.secondary-action,
.secondary-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 50px;
	padding: 0 18px;
	border-radius: 16px;
	border: 1px solid transparent;
	transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
	cursor: pointer;
}

button {
	background: var(--accent-soft);
	color: var(--accent-strong);
	font-weight: 800;
	border-color: rgba(114, 216, 194, 0.28);
}

.secondary-action,
.secondary-button {
	background: rgba(255, 255, 255, 0.03);
	border-color: rgba(255, 255, 255, 0.08);
	color: var(--text);
}

button:hover,
.secondary-action:hover,
.secondary-button:hover {
	transform: translateY(-2px);
	border-color: rgba(114, 216, 194, 0.4);
	background: rgba(59, 179, 154, 0.18);
}

button:disabled,
.secondary-button:disabled {
	opacity: 0.45;
	cursor: not-allowed;
	transform: none;
}

.status-banner {
	padding: 16px 18px;
	border-radius: 18px;
	border: 1px solid var(--line);
}

.is-neutral {
	background: rgba(255, 255, 255, 0.04);
}

.is-success {
	background: var(--signal-soft);
	border-color: rgba(138, 215, 180, 0.22);
}

.result-summary {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px;
}

.hash-panel {
	display: grid;
	gap: 10px;
}

.sticky-actions {
	margin-top: auto;
}

@media (max-width: 940px) {
	.hero,
	.workspace-grid,
	.security-notes,
	.result-summary {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 640px) {
	.page-shell {
		width: min(100% - 20px, 1180px);
		padding-top: 20px;
	}

	.hero-copy,
	.hero-card,
	.panel {
		padding: 22px;
		border-radius: 22px;
	}

	.form-actions {
		flex-direction: column;
	}

	button,
	.secondary-action,
	.secondary-button {
		width: 100%;
	}

	.editor-meta {
		align-items: start;
		flex-direction: column;
	}
}