/* Shared consent, confirmation, and toast overlay presentation. */

body.apstudy-confirm-open {
	overflow: hidden;
}

body.apstudy-consent-open { overflow: hidden; }

.apstudy-consent-stack {
	position: fixed;
	right: max(20px, env(safe-area-inset-right));
	bottom: max(20px, env(safe-area-inset-bottom));
	z-index: var(--z-toast);
	display: flex;
	width: min(420px, calc(100% - 40px));
	align-items: flex-end;
	flex-direction: column;
	gap: 10px;
}

.apstudy-consent-banner {
	display: flex;
	width: 100%;
	align-items: stretch;
	flex-direction: column;
	gap: 14px;
	padding: 16px;
	border: 1px solid var(--surface-border);
	border-radius: var(--radius-card);
	background: var(--color-surface, #fff);
	color: var(--color-on-surface, #202124);
	box-shadow: var(--surface-shadow-panel);
}

.apstudy-consent-banner[hidden],
.apstudy-consent-dialog[hidden] { display: none !important; }

.apstudy-consent-banner__copy { max-width: 100%; }

.apstudy-consent-banner__copy strong,
.apstudy-consent-dialog__panel h2 {
	display: block;
	font-family: var(--font-display);
	font-size: 18px;
}

.apstudy-consent-banner__copy p,
.apstudy-consent-dialog__panel p {
	margin: 6px 0 0;
	color: var(--color-on-surface-variant, #555861);
	font-size: var(--text-compact);
	line-height: 1.55;
}

.apstudy-consent-banner a,
.apstudy-consent-dialog a { color: var(--color-primary, #3157c8); }

.apstudy-consent-signal { margin-top: 8px; font-size: var(--text-meta); }

.apstudy-consent-actions {
	display: flex;
	width: 100%;
	gap: 10px;
}

.apstudy-consent-actions button,
.apstudy-consent-settings,
.apstudy-consent-dialog__close {
	min-height: 44px;
	border: 1px solid var(--surface-border) !important;
	border-radius: var(--radius-control);
	background: var(--color-surface-container-high, #e9e8e4);
	color: var(--color-on-surface, #202124);
	font-size: var(--text-compact);
	font-weight: 700;
	cursor: pointer;
}

.apstudy-consent-settings:focus-visible,
.apstudy-consent-dialog__close:focus-visible {
	outline: 3px solid var(--color-primary, #3157c8);
	outline-offset: 3px;
}

.apstudy-consent-actions button {
	flex: 1 1 0;
	min-width: 0;
	padding: 10px 12px;
}

.apstudy-consent-actions button:hover,
.apstudy-consent-actions button:focus-visible,
.apstudy-consent-actions button[aria-pressed="true"] {
	border-color: var(--color-primary, #3157c8) !important;
	outline: 2px solid transparent;
}

.apstudy-consent-settings {
	position: static;
	display: inline-flex;
	width: 58px;
	height: 58px;
	min-height: 58px;
	align-items: center;
	justify-content: center;
	padding: 0;
	border-radius: 50%;
	background: var(--color-primary, #3157c8);
	color: var(--color-on-primary, #fff);
	box-shadow: none;
}

.apstudy-consent-settings:hover,
.apstudy-consent-settings:focus-visible {
	background: var(--color-primary-hover, #2445aa);
}

.apstudy-consent-settings__icon {
	display: block;
	width: 32px;
	height: 32px;
}

.apstudy-consent-settings__label {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.apstudy-consent-dialog {
	position: fixed;
	inset: 0;
	z-index: var(--z-modal);
	display: block;
	padding: 20px;
	background: rgba(0, 0, 0, 0.56);
}

.apstudy-consent-dialog__panel {
	position: absolute;
	right: max(20px, env(safe-area-inset-right));
	bottom: 20px;
	width: min(460px, calc(100% - 40px));
	padding: 24px;
	border: 1px solid var(--surface-border);
	border-radius: var(--radius-panel);
	background: var(--color-surface, #fff);
	color: var(--color-on-surface, #202124);
	box-shadow: var(--surface-shadow-panel);
}

.apstudy-consent-dialog__panel h2 { margin: 0; font-size: 24px; }
.apstudy-consent-dialog__panel .apstudy-consent-actions { margin-top: 22px; }

.apstudy-consent-dialog__close {
	position: absolute;
	top: 14px;
	right: 14px;
	width: 40px;
	min-height: 40px;
}

.apstudy-consent-dialog__privacy { display: inline-block; margin-top: 18px; }

@media (max-width: 767px) {
	.apstudy-consent-stack {
		right: 12px;
		bottom: 12px;
		left: 12px;
		width: auto;
	}

	.apstudy-consent-banner { padding: 14px; }

	.apstudy-consent-dialog { padding: 12px; }

	.apstudy-consent-dialog__panel {
		right: 12px;
		bottom: 12px;
		left: 12px;
		width: auto;
		max-height: calc(100vh - 24px);
		overflow-y: auto;
		padding: 22px 18px 18px;
		border-radius: var(--radius-panel);
	}

	.apstudy-consent-settings {
		width: 56px;
		height: 56px;
		min-height: 56px;
	}
}

.apstudy-confirm[hidden] {
	display: none !important;
}

.apstudy-confirm {
	position: fixed;
	inset: 0;
	z-index: var(--z-modal);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 20px;
	background: rgba(0, 0, 0, 0.46);
	backdrop-filter: blur(6px);
}

.apstudy-confirm__panel {
	display: grid;
	width: min(440px, 100%);
	grid-template-columns: 44px minmax(0, 1fr);
	gap: 14px;
	border: 1px solid color-mix(in srgb, var(--color-outline-variant, #8f929c) 58%, transparent);
	border-radius: var(--radius-card);
	background: var(--color-surface, #ffffff);
	color: var(--color-on-surface, #202124);
	box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
	padding: 18px;
}

.apstudy-confirm__icon {
	display: inline-flex;
	width: 44px;
	height: 44px;
	align-items: center;
	justify-content: center;
	border-radius: var(--radius-card);
	background: color-mix(in srgb, var(--color-primary, #3b82f6) 14%, transparent);
	color: var(--color-primary, #3b82f6);
}

.apstudy-confirm.is-danger .apstudy-confirm__icon {
	background: color-mix(in srgb, var(--color-error, #ba1a1a) 14%, transparent);
	color: var(--color-error, #ba1a1a);
}

.apstudy-confirm__icon .material-symbols-outlined {
	font-size: 24px;
}

.apstudy-confirm__copy h2 {
	margin: 0;
	color: var(--color-on-surface, #202124);
	font-size: 20px;
	font-family: var(--font-display);
	font-weight: 700;
	letter-spacing: -0.02em;
}

.apstudy-confirm__copy p {
	margin: 6px 0 0;
	color: var(--color-on-surface-variant, #5f6368);
	font-size: 14px;
	line-height: 1.45;
}

.apstudy-confirm__actions {
	grid-column: 1 / -1;
	display: flex;
	justify-content: flex-end;
	gap: 10px;
	margin-top: 6px;
}

.apstudy-confirm__actions button {
	display: inline-flex;
	min-height: 40px;
	align-items: center;
	justify-content: center;
	border-radius: var(--radius-control);
	font: inherit;
	font-size: 14px;
	font-weight: 700;
	line-height: 1;
	cursor: pointer;
	padding: 0 16px;
	transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.apstudy-confirm__cancel {
	border: 1px solid color-mix(in srgb, var(--color-outline-variant, #8f929c) 62%, transparent) !important;
	background: var(--color-surface-container-low, #f7f6f3);
	color: var(--color-on-surface, #202124);
}

.apstudy-confirm__accept {
	border: 1px solid color-mix(in srgb, var(--color-primary, #3b82f6) 58%, transparent) !important;
	background: var(--color-primary, #3b82f6);
	color: var(--color-on-primary, #ffffff);
}

.apstudy-confirm.is-danger .apstudy-confirm__accept {
	border-color: color-mix(in srgb, var(--color-error, #ba1a1a) 55%, transparent) !important;
	background: var(--color-error, #ba1a1a);
	color: var(--color-on-error, #ffffff);
}

.apstudy-confirm__actions button:hover,
.apstudy-confirm__actions button:focus-visible {
	outline: none;
	transform: translateY(-1px);
	box-shadow: 0 14px 30px rgba(0, 0, 0, 0.16);
}

/* ============================
   Global toast notifications
   Host + cards rendered by window.APStudyToast (static/js/core/ui-primitives.js)
   ============================ */
.apstudy-toast-host {
	position: fixed;
	top: calc(var(--navbar-height, 64px) + 12px + env(safe-area-inset-top, 0px));
	right: calc(16px + env(safe-area-inset-right, 0px));
	z-index: var(--z-toast);
	display: flex;
	flex-direction: column;
	gap: 12px;
	width: min(380px, calc(100vw - 32px));
	max-height: calc(var(--app-viewport-height, 100vh) - var(--navbar-height, 64px) - 40px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
	overflow-x: hidden;
	overflow-y: auto;
	overscroll-behavior: contain;
	scrollbar-width: thin;
	pointer-events: none;
}

.apstudy-toast {
	--toast-accent: var(--color-info, #0060aa);
	position: relative;
	display: grid;
	flex: 0 0 auto;
	grid-template-columns: 32px minmax(0, 1fr) 32px;
	gap: 12px;
	align-items: start;
	padding: 16px;
	border-radius: var(--radius-card);
	border: 1px solid color-mix(in srgb, var(--toast-accent) 58%, var(--color-outline-variant, #8f929c));
	background: var(--color-surface-container-high, #262a31);
	color: var(--color-on-surface, #dfe2eb);
	overflow: hidden;
	pointer-events: auto;
	transform: translateX(calc(100% + 24px));
	opacity: 0;
	transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1), opacity 220ms ease;
}

.apstudy-toast.is-compact {
	align-items: center;
}

.apstudy-toast.is-visible {
	transform: translateX(0);
	opacity: 1;
}

.apstudy-toast.is-leaving {
	transform: translateX(calc(100% + 24px));
	opacity: 0;
}

.apstudy-toast.is-info {
	--toast-accent: var(--color-info, #0060aa);
}

.apstudy-toast.is-success {
	--toast-accent: var(--color-success, #1f7a4d);
}

.apstudy-toast.is-warning {
	--toast-accent: var(--color-warning, #b26a00);
}

.apstudy-toast.is-error {
	--toast-accent: var(--color-error, #ba1a1a);
}

.apstudy-toast__icon {
	display: inline-flex;
	grid-column: 1;
	width: 32px;
	height: 32px;
	align-items: center;
	justify-content: center;
	border-radius: var(--radius-pill);
	color: var(--toast-accent);
	background: color-mix(in srgb, var(--toast-accent) 16%, transparent);
}

.apstudy-toast__icon svg {
	width: 18px;
	height: 18px;
	display: block;
}

.apstudy-toast__copy {
	grid-column: 2;
	display: flex;
	flex-direction: column;
	align-self: center;
	min-width: 0;
}

.apstudy-toast.has-detail .apstudy-toast__copy,
.apstudy-toast.has-action .apstudy-toast__copy {
	align-self: start;
}

.apstudy-toast__title {
	margin: 0;
	font-family: var(--font-body);
	font-size: 14px;
	font-weight: 650;
	line-height: 1.4;
	color: var(--color-on-surface, #dfe2eb);
	overflow-wrap: anywhere;
}

.apstudy-toast__message {
	margin: 4px 0 0;
	font-size: 13px;
	line-height: 1.45;
	color: var(--color-on-surface-variant, #c0c7d4);
	overflow-wrap: anywhere;
}

.apstudy-toast__action {
	display: inline-flex;
	align-self: flex-start;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	margin-top: 12px;
	padding: 0 12px;
	border: 1px solid color-mix(in srgb, var(--toast-accent) 45%, transparent);
	border-radius: var(--radius-control);
	background: color-mix(in srgb, var(--toast-accent) 12%, transparent);
	color: var(--toast-accent);
	font: inherit;
	font-size: 12px;
	font-weight: 700;
	line-height: 1;
	cursor: pointer;
	transition: background-color 140ms ease, transform 140ms ease;
}

.apstudy-toast__action:hover,
.apstudy-toast__action:focus-visible {
	background: color-mix(in srgb, var(--toast-accent) 22%, transparent);
	transform: translateY(-1px);
}

.apstudy-toast__action:focus-visible,
.apstudy-toast__close:focus-visible {
	outline: 2px solid var(--toast-accent);
	outline-offset: 2px;
}

.apstudy-toast__close {
	display: inline-flex;
	grid-column: 3;
	position: relative;
	width: 32px;
	height: 32px;
	align-items: center;
	justify-content: center;
	padding: 0;
	border: none;
	border-radius: var(--radius-control);
	background: transparent;
	color: var(--color-on-surface-variant, #c0c7d4);
	font-size: 16px;
	line-height: 1;
	cursor: pointer;
	opacity: 0.45;
	transition: opacity 140ms ease, background-color 140ms ease;
}

.apstudy-toast__close::before {
	position: absolute;
	inset: -6px;
	content: "";
}

.apstudy-toast__close:hover,
.apstudy-toast__close:focus-visible {
	opacity: 1;
	background: color-mix(in srgb, var(--color-on-surface, #dfe2eb) 10%, transparent);
}

.apstudy-toast__progress {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	height: 3px;
	transform-origin: left center;
	background: var(--toast-accent);
	opacity: 0.85;
}

.apstudy-toast__progress.is-running {
	animation: apstudyToastProgress var(--toast-duration, 3000ms) linear forwards;
}

.apstudy-toast.is-paused .apstudy-toast__progress.is-running {
	animation-play-state: paused;
}

@keyframes apstudyToastProgress {
	from {
		transform: scaleX(1);
	}
	to {
		transform: scaleX(0);
	}
}

@media (max-width: 480px) {
	.apstudy-toast-host {
		left: calc(12px + env(safe-area-inset-left, 0px));
		right: calc(12px + env(safe-area-inset-right, 0px));
		width: auto;
	}

	.apstudy-toast {
		padding: 12px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.apstudy-toast {
		transition: opacity 160ms ease;
		transform: none;
	}
	.apstudy-toast.is-leaving {
		transform: none;
	}
	.apstudy-toast__progress.is-running {
		display: none;
	}
}