/* Shell styles (sh-*). Token vars only — no raw colors. */

/* ---- app frame ---- */
.sh-app {
	display: grid;
	grid-template-rows: auto 1fr auto;
	/* Single column pinned to the container width: an `auto` track sizes to its
	 * items' min-content, so a long session title (or the fixed header controls)
	 * would force every row — header, transcript, composer — wider than a narrow
	 * viewport and clip the right edge. `minmax(0, 1fr)` caps the track so rows
	 * shrink and ellipsize instead of overflowing. */
	grid-template-columns: minmax(0, 1fr);
	height: var(--viewport-height, 100%);
}

.sh-main {
	display: flex;
	min-height: 0;
	overflow: hidden;
}

.sh-content {
	flex: 1;
	min-width: 0;
	min-height: 0;
	display: flex;
	justify-content: center;
	overflow: hidden;
}

.sh-transcript {
	width: 100%;
	max-width: 880px;
	min-height: 0;
	display: flex;
	flex-direction: column;
}

.sh-content[data-rail="true"] .sh-transcript {
	max-width: none;
}

.sh-transcript > * {
	flex: 1;
	min-height: 0;
}

.sh-rail {
	width: 300px;
	flex: none;
	min-height: 0;
	overflow-y: auto;
	border-left: 1px solid var(--border);
	background: var(--bg);
}

.sh-rail-backdrop {
	display: none;
}

/* ---- shared controls ---- */
.sh-btn {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	padding: 4px 10px;
	font-size: 12px;
	font-weight: 500;
	color: var(--fg-muted);
	background: var(--bg-raised);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	transition:
		background 150ms ease-out,
		color 150ms ease-out,
		border-color 150ms ease-out;
}

.sh-btn:hover:not(:disabled) {
	background: var(--bg-overlay);
	color: var(--fg);
	border-color: var(--border-strong);
}

.sh-btn:active:not(:disabled) {
	transform: scale(0.97);
}

.sh-btn:disabled {
	opacity: 0.45;
	cursor: default;
}

.sh-btn-primary {
	color: var(--accent-fg);
	background: var(--accent);
	border-color: var(--accent);
}

.sh-btn-primary:hover:not(:disabled) {
	color: var(--accent-fg);
	background: var(--accent);
	border-color: var(--accent);
	filter: brightness(1.04);
}

.sh-btn-stop {
	color: var(--err);
	border-color: var(--border-strong);
}

.sh-btn-icon {
	position: relative;
	padding: 4px 6px;
}

.sh-btn-on {
	color: var(--accent);
	border-color: var(--border-strong);
}

/* ---- theme toggle (system / light / dark) ---- */
.sh-theme-toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 32px;
	height: 32px;
	flex-shrink: 0;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--bg-raised);
	color: var(--fg-muted);
	cursor: pointer;
	transition: color 0.14s ease, background 0.14s ease, border-color 0.14s ease;
}

.sh-theme-toggle:hover {
	color: var(--fg);
	border-color: var(--border-strong);
}

@media (prefers-reduced-motion: reduce) {
	.sh-theme-toggle {
		transition: none;
	}
}

.sh-badge {
	position: absolute;
	top: -5px;
	right: -5px;
	min-width: 14px;
	height: 14px;
	padding: 0 3px;
	font: 600 9px / 14px var(--font-mono);
	text-align: center;
	color: var(--accent-fg);
	background: var(--accent);
	border-radius: 7px;
}

.sh-chip {
	padding: 1px 6px;
	font: 400 11px / 1.5 var(--font-mono);
	color: var(--fg-muted);
	background: var(--bg-raised);
	border: 1px solid var(--border);
	border-radius: var(--radius-sm);
	white-space: nowrap;
}

/* ---- header ---- */
.sh-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 8px 12px;
	padding-top: calc(8px + env(safe-area-inset-top, 0px));
	border-bottom: 1px solid var(--border);
	background: var(--bg);
}

.sh-header-left {
	display: flex;
	align-items: baseline;
	gap: 10px;
	min-width: 0;
}

.sh-header-right {
	display: flex;
	align-items: center;
	gap: 8px;
	flex: none;
}

.sh-title {
	font-size: 13px;
	font-weight: 600;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	min-width: 0;
}

.sh-cwd {
	font: 400 11px / 1.5 var(--font-mono);
	color: var(--fg-faint);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
	min-width: 0;
}

.sh-gauge {
	display: inline-flex;
	align-items: center;
	gap: 6px;
}

.sh-gauge-track {
	width: 72px;
	height: 4px;
	background: var(--border-strong);
	border-radius: var(--radius-sm);
	overflow: hidden;
}

.sh-gauge-fill {
	display: block;
	height: 100%;
	background: var(--accent);
	border-radius: inherit;
	transition: width 150ms ease-out;
}

.sh-gauge-warn .sh-gauge-fill {
	background: var(--warn);
}

.sh-gauge-pct {
	font: 400 11px / 1 var(--font-mono);
	color: var(--fg-muted);
}

.sh-gauge-warn .sh-gauge-pct {
	color: var(--warn);
}

.sh-avatars {
	display: inline-flex;
}

.sh-avatar {
	width: 20px;
	height: 20px;
	font: 600 10px / 18px var(--font-ui);
	text-align: center;
	color: var(--fg-muted);
	background: var(--bg-raised);
	border: 1px solid var(--border-strong);
	border-radius: 50%;
	margin-left: -4px;
}

.sh-avatar:first-child {
	margin-left: 0;
}

.sh-avatar-host {
	color: var(--accent);
	border-color: var(--accent);
}

.sh-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--fg-faint);
}

.sh-dot-live {
	background: var(--ok);
}

.sh-dot-reconnecting {
	background: var(--warn);
	animation: pulse 1.2s ease-in-out infinite;
}

.sh-dot-ended {
	background: var(--err);
}

/* ---- composer ---- */
.sh-composer {
	padding: 10px 12px;
	padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
	border-top: 1px solid var(--border);
	background: var(--bg);
}

.sh-composer-inner {
	display: flex;
	align-items: flex-end;
	gap: 8px;
	max-width: 880px;
	margin: 0 auto;
}

.sh-composer-input {
	flex: 1;
	min-width: 0;
	padding: 8px 10px;
	font-size: 13px;
	line-height: 20px;
	color: var(--fg);
	background: var(--bg-inset);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	resize: none;
}

.sh-composer-input::placeholder {
	color: var(--fg-faint);
}

.sh-composer-input:disabled {
	opacity: 0.55;
}

.sh-composer-input:focus-visible {
	outline: 2px solid transparent;
	outline-offset: 0;
}

.sh-composer-input:focus {
	border-color: var(--ring);
}

.sh-composer-actions {
	display: flex;
	align-items: center;
	gap: 6px;
	flex: none;
	padding-bottom: 1px;
}

.sh-composer-ask {
	display: grid;
	gap: 8px;
}

.sh-ask-title {
	max-width: 880px;
	margin: 0 auto;
	font-size: 13px;
	font-weight: 600;
	color: var(--fg);
	white-space: pre-wrap;
}

.sh-ask-options {
	display: grid;
	gap: 6px;
	max-width: 880px;
	margin: 0 auto;
}

.sh-ask-option {
	display: flex;
	align-items: flex-start;
	gap: 8px;
	width: 100%;
	padding: 8px 10px;
	color: var(--fg);
	text-align: left;
	background: var(--bg-inset);
	border: 1px solid var(--border);
	border-radius: var(--radius);
}

.sh-ask-option:hover {
	border-color: var(--ring);
}

.sh-ask-option-checked {
	border-color: var(--accent);
	background: var(--accent-muted);
}

.sh-ask-option-marker {
	width: 18px;
	font: 400 13px / 18px var(--font-mono);
	color: var(--accent);
}

.sh-ask-option-copy {
	display: grid;
	gap: 2px;
	min-width: 0;
}

.sh-ask-option-label {
	font-size: 13px;
	font-weight: 500;
}

.sh-ask-option-description {
	font-size: 12px;
	line-height: 1.35;
	color: var(--fg-muted);
}

.sh-ask-actions {
	justify-content: flex-end;
	max-width: 880px;
	width: 100%;
	margin: 0 auto;
}

.sh-queued {
	padding: 1px 6px;
	font: 400 11px / 1.5 var(--font-mono);
	color: var(--accent);
	background: var(--accent-muted);
	border-radius: var(--radius-sm);
	white-space: nowrap;
}

/* ---- banners ---- */
.sh-banner {
	position: fixed;
	top: 8px;
	left: 50%;
	transform: translateX(-50%);
	z-index: 50;
	display: flex;
	align-items: center;
	gap: 6px;
	padding: 3px 12px;
	font-size: 12px;
	white-space: nowrap;
	color: var(--warn);
	background: var(--bg-overlay);
	border: 1px solid var(--border-strong);
	border-radius: var(--radius);
	box-shadow: var(--shadow-overlay);
}

.sh-banner-dot {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--warn);
	animation: pulse 1.2s ease-in-out infinite;
}

.sh-ended {
	position: fixed;
	inset: 0;
	z-index: 50;
	display: grid;
	place-items: center;
	background: var(--backdrop);
}

.sh-ended-card {
	width: 100%;
	max-width: 320px;
	padding: 24px;
	display: flex;
	flex-direction: column;
	gap: 10px;
	background: var(--bg-overlay);
	border: 1px solid var(--border-strong);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-overlay);
}

.sh-ended-title {
	font-size: 14px;
	font-weight: 600;
}

.sh-ended-reason {
	font-size: 12px;
	color: var(--fg-muted);
}

.sh-ended-actions {
	display: flex;
	gap: 8px;
	margin-top: 6px;
}

/* ---- toasts ---- */
.sh-toasts {
	position: fixed;
	right: 12px;
	left: 12px;
	bottom: 12px;
	z-index: 60;
	display: flex;
	flex-direction: column;
	gap: 8px;
	max-width: 320px;
	margin-left: auto;
}

.sh-toast {
	display: flex;
	align-items: flex-start;
	gap: 8px;
	padding: 8px 10px;
	font-size: 12px;
	color: var(--fg);
	background: var(--bg-overlay);
	border: 1px solid var(--border-strong);
	border-left-width: 2px;
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-overlay);
}

.sh-toast-info {
	border-left-color: var(--accent);
}

.sh-toast-warning {
	border-left-color: var(--warn);
}

.sh-toast-error {
	border-left-color: var(--err);
}

.sh-toast-msg {
	flex: 1;
	min-width: 0;
	overflow-wrap: anywhere;
}

.sh-toast-close {
	flex: none;
	display: inline-flex;
	padding: 1px;
	color: var(--fg-faint);
	background: none;
	border: none;
	border-radius: var(--radius-sm);
}

.sh-toast-close:hover {
	color: var(--fg);
}

/* ---- connect screen ---- */
.sh-connect {
	height: 100%;
	display: grid;
	place-items: center;
	background: var(--bg);
	padding: 16px;
	padding-top: calc(16px + env(safe-area-inset-top, 0px));
	padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
}

.sh-connect-card {
	width: 100%;
	max-width: 380px;
	padding: 28px;
	position: relative;
	display: flex;
	flex-direction: column;
	gap: 12px;
	background: var(--bg-raised);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
}

.sh-connect-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
}

.sh-lockup {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font: 500 15px / 1.5 var(--font-mono);
	letter-spacing: 0.02em;
	margin: 0;
}

.sh-lockup-mark {
	width: 16px;
	height: 16px;
	flex: none;
	background: var(--brand-mark-gradient);
	border-radius: 4px;
}

.sh-lockup-pi {
	color: var(--accent);
}

.sh-connect-sub {
	font-size: 12px;
	color: var(--fg-muted);
	margin-top: -4px;
}

.sh-field-hint {
	font-size: 11px;
	color: var(--fg-faint);
}

.sh-field {
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.sh-field-label {
	font-size: 11px;
	font-weight: 500;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--fg-faint);
}

.sh-input {
	padding: 6px 9px;
	font-size: 13px;
	color: var(--fg);
	background: var(--bg-inset);
	border: 1px solid var(--border);
	border-radius: var(--radius);
}

.sh-input::placeholder {
	color: var(--fg-faint);
}

.sh-input:focus-visible {
	outline: 2px solid transparent;
	outline-offset: 0;
}

.sh-input:focus {
	border-color: var(--ring);
}

.sh-input-mono {
	font-family: var(--font-mono);
	font-size: 12px;
}

.sh-connect-error {
	font-size: 12px;
	color: var(--err);
}

.sh-connect-submit {
	justify-content: center;
	padding: 7px 10px;
	margin-top: 8px;
}

/* ---- responsive mobile styles ---- */
@media (max-width: 768px) {
	.sh-main {
		position: relative;
	}
	.sh-rail {
		position: absolute;
		right: 0;
		top: 0;
		bottom: 0;
		z-index: 30;
		width: 280px;
		max-width: 85vw;
		border-left: 1px solid var(--border-strong);
		box-shadow: var(--rail-mobile-shadow);
	}
	.sh-rail-backdrop {
		display: block;
		position: absolute;
		inset: 0;
		z-index: 25;
		background: var(--backdrop);
		animation: sh-fade-in 150ms ease-out;
	}
}

@keyframes sh-fade-in {
	from {
		opacity: 0;
	}
	to {
		opacity: 1;
	}
}

@media (max-width: 640px) {
	.sh-cwd {
		display: none;
	}
	.sh-chip-meta {
		display: none;
	}
	.sh-gauge-track {
		display: none;
	}
	.sh-btn-label {
		display: none;
	}
	.sh-queued-label {
		display: none;
	}
	.sh-composer-actions .sh-btn {
		padding: 8px;
	}
	.sh-composer-input,
	.sh-input,
	.sh-input-mono,
	.sh-ask-title,
	.sh-ask-option-label {
		font-size: 16px;
	}
}