/* Improved SPA styles for the tunnel control UI */
:root {
	--clr-dark-a0: #000000;
	--clr-light-a0: #ffffff;

	--clr-primary-a0: #8913bf;
	--clr-primary-a10: #9839c7;
	--clr-primary-a20: #a755ce;
	--clr-primary-a30: #b56ed6;
	--clr-primary-a40: #c386dd;
	--clr-primary-a50: #d09ee4;

	--clr-surface-a0: #121212;
	--clr-surface-a10: #282828;
	--clr-surface-a20: #3f3f3f;
	--clr-surface-a30: #575757;
	--clr-surface-a40: #717171;
	--clr-surface-a50: #8b8b8b;

	--clr-surface-tonal-a0: #1e1621;
	--clr-surface-tonal-a10: #332b36;
	--clr-surface-tonal-a20: #49424c;
	--clr-surface-tonal-a30: #615a63;
	--clr-surface-tonal-a40: #79737b;
	--clr-surface-tonal-a50: #928d94;
}

body {
	font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
 	margin: 0;
 	padding: 24px;
 	background: #f6f8fa;
 	color: #0b2136;
}

#app {
	max-width: 920px;
	margin: 0 auto;
}

header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 12px;
}

header h1 {
	margin: 0;
	font-size: 20px;
	color: #07203a;
}

header #user {
	font-size: 13px;
	color: #2b4758;
}

main {
	margin-top: 18px;
	display: grid;
	grid-template-columns: 1fr;
	gap: 16px;
}

.lead {
	color: #4b5563;
	margin-top: 0;
	line-height: 1.4;
}

/* Login container shared styles (used by the hosted login page returned from auth_handler.py) */
.login-container {
	background: var(--clr-surface-a0);
	color: var(--clr-light-a0);
	padding: 2rem;
	border-radius: 10px;
	box-shadow: 0 10px 25px rgba(0,0,0,0.15);
	text-align: center;
	max-width: 400px;
	width: 90%;
	margin: 0 auto;
	border: 1px solid rgba(255,255,255,0.04);
}
.logo {
 	font-size: 2rem;
 	font-weight: bold;
 	color: var(--clr-primary-a30);
 	margin-bottom: 1rem;
}
.description {
	color: #666;
	margin-bottom: 2rem;
	line-height: 1.5;
}
.login-button {
 	background: linear-gradient(180deg, var(--clr-primary-a20), var(--clr-primary-a40));
 	color: var(--clr-light-a0);
 	border: none;
 	padding: 1rem 2rem;
 	border-radius: 5px;
 	font-size: 1rem;
 	cursor: pointer;
 	text-decoration: none;
 	display: inline-block;
 	transition: background 0.3s;
}
.login-button:hover { background: linear-gradient(180deg, var(--clr-primary-a30), var(--clr-primary-a50)); }
.features { text-align: left; margin-top: 2rem; padding-top: 2rem; border-top: 1px solid #eee; }
.feature { margin-bottom: 0.5rem; color: #555; }
.feature::before { content: "✓"; color: #667eea; font-weight: bold; margin-right: 0.5rem; }

/* When the login container uses the dark card surface, adjust inner element colors for readability */
.login-container .description {
	color: rgba(255,255,255,0.92);
}
.login-container .features {
	text-align: left;
	margin-top: 2rem;
	padding-top: 2rem;
	border-top: 1px solid rgba(255,255,255,0.06);
}
.login-container .feature {
	margin-bottom: 0.5rem;
	color: rgba(255,255,255,0.8);
}
.login-container .feature::before {
	color: var(--clr-primary-a30);
}
.login-container .text-input {
	background: transparent;
	border: 1px solid rgba(255,255,255,0.08);
	color: var(--clr-light-a0);
	padding: .5rem;
	margin-bottom: .5rem;
	border-radius: 4px;
}
.text-input { width:100%; padding:.5rem; margin-bottom:.5rem; border:1px solid #ddd; border-radius:4px; }

.card {
 	background: var(--clr-light-a0);
 	border: 1px solid rgba(15,23,42,0.04);
 	padding: 16px;
 	border-radius: 8px;
 	box-shadow: 0 1px 2px rgba(15,23,42,0.04);
}

#controls {
	display: flex;
	gap: 8px;
	align-items: center;
}

#controls button {
	padding: 10px 14px;
	border-radius: 6px;
	border: none;
	cursor: pointer;
	font-weight: 600;
}

button.primary {
 	background: linear-gradient(180deg, var(--clr-primary-a20), var(--clr-primary-a40));
 	color: var(--clr-light-a0);
}

button.danger {
	background: linear-gradient(180deg,#ff5c5c,#e03131);
	color: white;
}

button.muted {
	background: #eef5fb;
	color: #064061;
}

pre {
 	background: var(--clr-surface-tonal-a0);
 	color: #e6ffea;
 	padding: 12px;
 	border-radius: 6px;
 	white-space: pre-wrap;
 	word-wrap: break-word;
}

@media (min-width: 700px) {
	main { grid-template-columns: 1fr 1fr; }
}

/* Tunnel control theme (used by index.html) */
body.tunnel-theme {
	margin: 0;
	padding: 0;
	min-height: 100vh;
	display: flex;
}

body.tunnel-theme {
 	align-items: center;
 	justify-content: center;
 	background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
 	color: var(--clr-light-a0);
}

body.tunnel-theme #app {
 	background: var(--clr-surface-a0);
 	padding: 24px;
 	border-radius: 12px;
 	box-shadow: 0 10px 25px rgba(0,0,0,0.12);
 	width: 92vw;
 	max-width: 1000px;
}

body.tunnel-theme header { display:flex; justify-content:space-between; align-items:center; }
body.tunnel-theme header h1 { margin:0; color:#07203a; }
body.tunnel-theme header #user { font-size:13px; color:#2b4758; }

body.tunnel-theme main { margin-top: 16px; display:grid; grid-template-columns:1fr 1fr; gap:16px; }
body.tunnel-theme .card { padding:16px; border-radius:8px; background:var(--clr-surface-a30); color:var(--clr-light-a0); }
body.tunnel-theme #controls { display:flex; gap:8px; align-items:center; }
body.tunnel-theme #controls button { padding:10px 14px; border-radius:6px; border:none; cursor:pointer; font-weight:600; }

@media (max-width: 699px) { body.tunnel-theme main { grid-template-columns:1fr; } }

/* landing page lead variant for dark tunnel card */
body.tunnel-theme .lead {
 	color: var(--clr-primary-a50); /* light text on dark card */
}

/* Minimal landing layout: removes the outer white app container so the dark card is the focal element */
body.tunnel-theme.landing-minimal {
	padding: 0; /* full-bleed gradient */
}


body.tunnel-theme.landing-minimal #app {
	background: transparent;
	box-shadow: none;
	padding: 40px 0; /* vertical spacing to allow vertical centering */
	width: 100%;
	max-width: none;
	display: block; /* let body flex center the container horizontally */
}

/* make the card larger and centered for the landing hero */
body.tunnel-theme.landing-minimal main { display: block; }
body.tunnel-theme.landing-minimal .card {
 	max-width: 520px;
 	width: 92vw;
 	padding: 28px 32px;
 	border-radius: 10px;
 	background: var(--clr-surface-a30);
 	color: var(--clr-light-a0);
 	box-shadow: 0 10px 30px rgba(3,7,18,0.6);
 	margin: 0 auto; /* center horizontally */
}

body.tunnel-theme.landing-minimal header, body.tunnel-theme.landing-minimal footer {
	display: none; /* keep the landing focused on the card */
}

/* Header card (light) inside tunnel-theme to separate the title/user row from dark content */
body.tunnel-theme .header-card {
 	background: var(--clr-primary-a50);
 	color: #07203a;
 	border: 1px solid rgba(15,23,42,0.06);
 	box-shadow: 0 4px 12px rgba(3,7,18,0.06);
}
body.tunnel-theme .header-card header { display:flex; justify-content:space-between; align-items:center; }
body.tunnel-theme .header-card header h1 { margin:0; font-size:20px; }
body.tunnel-theme .header-card #user { color: #2b4758; font-size:13px; }

/* Controls and output remain dark but can have subtle spacing differences */
/* controls-card and output-card inherit the standard .card dark styles */

/* in-card header (title + user status) */
.card .card-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 12px;
}
.card .card-header h1 { margin: 0; font-size: 1.25rem; }
.card .card-header #user { font-size: 0.95rem; color: #cbd5e1; }

/* Right-align user block and style signout button */
.card .card-header #user { margin-left: auto; }
.card .card-header #user button { padding: 8px 10px; border-radius:6px; border:none; cursor:pointer; background:#eef5fb; color:#064061; }