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

:root {
	--bg:      #1c1c1c;
	--bg2:     #252525;
	--bg3:     #2e2e2e;
	--bg4:     #383838;
	--border:  #3a3a3a;
	--border2: #484848;
	--accent:  #4e9fd4;
	--text:    #d4d4d4;
	--muted:   #6a6a6a;
	--success: #5a9e6f;
	--mono:    Monaco, Menlo, Consolas, monospace;
	--sans:    Helvetica Neue, Helvetica, Arial, sans-serif;
}

html, body {
	background: var(--bg);
	color: var(--text);
	font-family: var(--sans);
	font-size: 13px;
	font-weight: 400;
	min-height: 100vh;
	-webkit-font-smoothing: antialiased;
}

body { padding: 36px 20px 60px; }

.container { max-width: 960px; margin: 0 auto; }

/* Header */
header {
	margin-bottom: 32px;
	border-bottom: 1px solid var(--border);
	padding-bottom: 20px;
}

.app-name {
	font-size: 10px; font-weight: 500;
	letter-spacing: 0.14em; text-transform: uppercase;
	color: var(--muted); margin-bottom: 8px;
}

h1 { font-size: 20px; font-weight: 300; color: #e8e8e8; }
h1 strong { font-weight: 500; }
.subtitle { margin-top: 6px; font-size: 11px; color: var(--muted); line-height: 1.6; }

/* Layout */
.layout {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 2px;
	align-items: start;
}
@media (max-width: 680px) { .layout { grid-template-columns: 1fr; } }

/* Panels */
.panel {
	background: var(--bg2);
	border: 1px solid var(--border);
	border-radius: 4px;
}

.panel-title {
	font-size: 9px; font-weight: 600;
	letter-spacing: 0.13em; text-transform: uppercase;
	color: var(--muted);
	padding: 12px 18px;
	border-bottom: 1px solid var(--border);
}

.panel-body { padding: 16px 18px; }

/* Fields */
.field { margin-bottom: 13px; }
.field:last-child { margin-bottom: 0; }

label {
	display: block;
	font-size: 11px; color: var(--muted);
	margin-bottom: 5px; letter-spacing: 0.01em;
}

input[type=text] {
	width: 100%;
	background: var(--bg3);
	border: 1px solid var(--border2);
	border-radius: 3px;
	color: var(--text);
	font-family: var(--sans);
	font-size: 13px;
	padding: 7px 9px;
	outline: none;
	transition: border-color 0.1s;
}
input[type=text]:focus { border-color: var(--accent); }

/* Field group — two inputs side by side */
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

/* Generate button */
.btn-wrap {
	padding: 14px 18px;
	border-top: 1px solid var(--border);
}

button[type=submit] {
	display: inline-flex;
	align-items: center;
	gap: 7px;
	padding: 8px 20px;
	font-family: var(--sans);
	font-size: 12px;
	font-weight: 500;
	border-radius: 3px;
	border: 1px solid rgba(78,159,212,0.3);
	cursor: pointer;
	background: rgba(78,159,212,0.10);
	color: var(--accent);
	transition: background 0.1s, border-color 0.1s;
}
button[type=submit]:hover { background: rgba(78,159,212,0.18); border-color: var(--accent); }

/* Result area */
#result {
	margin-top: 2px;
}

.result-panel {
	background: var(--bg2);
	border: 1px solid var(--border);
	border-left: 2px solid var(--accent);
	border-radius: 4px;
	padding: 16px 18px;
	font-size: 12px;
	line-height: 1.7;
}

.result-panel p { color: var(--muted); margin-bottom: 12px; }
.result-panel p:last-child { margin-bottom: 0; }

.tag {
	display: inline-block;
	background: rgba(90,158,111,0.12);
	color: #5a9e6f;
	border: 1px solid rgba(90,158,111,0.25);
	border-radius: 3px;
	padding: 1px 6px;
	font-size: 11px;
	font-weight: 500;
	font-family: var(--mono);
}

.tag a { color: inherit; text-decoration: none; }
.tag a:hover { text-decoration: underline; }

pre {
	background: #141414;
	border: 1px solid var(--border);
	border-radius: 3px;
	padding: 14px 16px;
	font-family: var(--mono);
	font-size: 11px;
	line-height: 1.7;
	color: var(--text);
	overflow-x: auto;
	white-space: pre;
	margin: 8px 0 14px;
}

/* Placeholder pre */
pre.placeholder {
	color: var(--muted);
	font-style: normal;
}

/* Info column */
.info h3 {
	font-size: 12px;
	font-weight: 600;
	color: #e8e8e8;
	letter-spacing: 0.04em;
	margin-bottom: 8px;
	margin-top: 18px;
	padding-top: 16px;
	border-top: 1px solid var(--border);
}

.info .panel-body > h3:first-child { margin-top: 0; padding-top: 0; border-top: none; }

.info p {
	font-size: 12px;
	color: var(--muted);
	line-height: 1.7;
	margin-bottom: 10px;
}

.info ul {
	padding-left: 16px;
	font-size: 12px;
	color: var(--muted);
	line-height: 1.9;
}

.info a { color: var(--accent); text-decoration: none; }
.info a:hover { text-decoration: underline; }

footer {
	margin-top: 28px;
	text-align: center;
	font-size: 10px;
	color: #4a4a4a;
	letter-spacing: 0.06em;
}
footer a { color: #4a4a4a; text-decoration: none; }
footer a:hover { color: var(--accent); }