/* ==========================================================
   O Destak — Leitor de edições (flipbook PDF)
   ========================================================== */

.odk-reader {
	background: var(--odk-navy-900, #081736);
	background-image:
		radial-gradient(circle at 50% 0%, rgba(197, 54, 49, .18), transparent 60%),
		linear-gradient(180deg, #0a1a3e 0%, #060f26 100%);
	color: #fff;
	padding: 22px 0 34px;
}

.odk-reader__head {
	display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: flex-end;
	justify-content: space-between; margin-bottom: 18px;
}
.odk-reader__head h1 {
	color: #fff; font-size: clamp(22px, 3.2vw, 34px); margin: 0;
}
.odk-reader__head p {
	margin: 4px 0 0; color: #a9b8da;
	font-family: var(--odk-util, sans-serif); text-transform: uppercase;
	letter-spacing: .07em; font-size: 14px;
}

/* ---------- Toolbar ---------- */
.odk-flip__bar {
	display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
	background: rgba(255, 255, 255, .06);
	border: 1px solid rgba(255, 255, 255, .14);
	padding: 8px; margin-bottom: 14px;
}
.odk-flip__bar-group { display: flex; align-items: center; gap: 6px; }
.odk-flip__bar-group--right { margin-left: auto; }

.odk-flip__btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 7px;
	min-width: 40px; height: 40px; padding: 0 12px;
	background: rgba(255, 255, 255, .1); color: #fff; border: 0; cursor: pointer;
	font-family: var(--odk-util, sans-serif); font-size: 15px;
	text-transform: uppercase; letter-spacing: .06em;
	transition: background .15s ease;
}
.odk-flip__btn:hover:not(:disabled) { background: var(--odk-red, #c53631); }
.odk-flip__btn:disabled { opacity: .38; cursor: not-allowed; }
.odk-flip__btn svg { width: 18px; height: 18px; fill: currentColor; }
.odk-flip__btn.is-active { background: var(--odk-red, #c53631); }

.odk-flip__counter {
	display: flex; align-items: center; gap: 6px;
	font-family: var(--odk-util, sans-serif); font-size: 15px;
	letter-spacing: .05em; padding: 0 6px; white-space: nowrap;
}
.odk-flip__counter input {
	width: 54px; height: 32px; text-align: center; border: 0;
	background: rgba(255, 255, 255, .14); color: #fff;
	font-family: var(--odk-util, sans-serif); font-size: 15px;
}
.odk-flip__counter input::-webkit-outer-spin-button,
.odk-flip__counter input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ---------- Stage ---------- */
.odk-flip__stage {
	position: relative;
	background: rgba(0, 0, 0, .22);
	border: 1px solid rgba(255, 255, 255, .12);
	padding: 18px;
	overflow: auto;
	/* Centralizar por margem, não por align/justify: quando a página ampliada
	   fica maior que o palco, o centramento por flex corta o topo e a esquerda
	   e não dá para rolar até lá. Com margem automática, rola inteiro. */
	display: flex;
	min-height: 60vh;
	touch-action: pan-y pinch-zoom;
}
.odk-flip__stage:fullscreen { padding: 26px; background: #060f26; }

.odk-flip__book {
	position: relative;
	display: flex;
	margin: auto;
	perspective: 2600px;
	transform-origin: center top;
	transition: transform .2s ease;
	filter: drop-shadow(0 24px 40px rgba(0, 0, 0, .55));
}
.odk-flip__book::after {
	/* vinco central (lombada) */
	content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 26px;
	transform: translateX(-50%); pointer-events: none; z-index: 5;
	background: linear-gradient(90deg,
		rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, .28) 42%,
		rgba(0, 0, 0, .38) 50%, rgba(0, 0, 0, .28) 58%, rgba(0, 0, 0, 0) 100%);
}
.odk-flip__book.is-single::after,
.odk-flip__book.is-capa::after,
.odk-flip__book.is-contracapa::after { display: none; }

/* Página sozinha no par: centraliza o que está visível. */
.odk-flip__book.is-capa { transform: translateX(-25%); }
.odk-flip__book.is-contracapa { transform: translateX(25%); }

.odk-flip__page {
	position: relative; background: #fff; flex: 0 0 auto;
	transform-style: preserve-3d; backface-visibility: hidden;
}
.odk-flip__page canvas { display: block; width: 100%; height: 100%; }
.odk-flip__page--empty { background: transparent; box-shadow: none; }

/* folha em movimento */
.odk-flip__turn {
	position: absolute; top: 0; z-index: 6;
	transform-style: preserve-3d; backface-visibility: visible;
	transition: transform .62s cubic-bezier(.42, .05, .3, 1);
	transform-origin: left center;
}
.odk-flip__turn.is-back { transform-origin: right center; }
.odk-flip__turn-face {
	position: absolute; inset: 0; backface-visibility: hidden; background: #fff;
	box-shadow: 0 0 24px rgba(0, 0, 0, .35);
}
.odk-flip__turn-face canvas { display: block; width: 100%; height: 100%; }
.odk-flip__turn-face--back { transform: rotateY(180deg); }

/* zonas de clique */
.odk-flip__hot {
	position: absolute; top: 0; bottom: 0; width: 16%; z-index: 4;
	border: 0; background: transparent; cursor: pointer;
}
.odk-flip__hot--prev { left: 0; }
.odk-flip__hot--next { right: 0; }
.odk-flip__hot:hover { background: linear-gradient(90deg, rgba(255, 255, 255, .1), transparent); }
.odk-flip__hot--next:hover { background: linear-gradient(270deg, rgba(255, 255, 255, .1), transparent); }

/* ---------- Estados ---------- */
.odk-flip__state {
	display: flex; flex-direction: column; align-items: center; justify-content: center;
	gap: 14px; text-align: center; padding: 60px 20px; color: #cbd5ec;
	font-family: var(--odk-util, sans-serif); letter-spacing: .05em; text-transform: uppercase;
}
.odk-flip__spinner {
	width: 42px; height: 42px; border: 3px solid rgba(255, 255, 255, .25);
	border-top-color: var(--odk-red, #c53631); border-radius: 50%;
	animation: odk-spin 1s linear infinite;
}
@keyframes odk-spin { to { transform: rotate(360deg); } }
.odk-flip__progress { width: min(280px, 70vw); height: 3px; background: rgba(255, 255, 255, .2); }
.odk-flip__progress i { display: block; height: 100%; width: 0; background: var(--odk-red, #c53631); transition: width .2s ease; }
.odk-flip__error { color: #ffd2d0; text-transform: none; letter-spacing: 0; }

/* ---------- Miniaturas ---------- */
.odk-flip__thumbs {
	display: none; gap: 10px; margin-top: 14px; padding: 12px;
	background: rgba(0, 0, 0, .22); border: 1px solid rgba(255, 255, 255, .12);
	overflow-x: auto; scrollbar-width: thin;
}
.odk-flip__thumbs.is-open { display: flex; }
.odk-flip__thumb {
	flex: 0 0 auto; border: 2px solid transparent; background: #fff; padding: 0;
	cursor: pointer; position: relative; line-height: 0;
}
.odk-flip__thumb.is-current { border-color: var(--odk-red, #c53631); }
.odk-flip__thumb span {
	position: absolute; bottom: 0; right: 0; background: rgba(13, 33, 79, .85); color: #fff;
	font-family: var(--odk-util, sans-serif); font-size: 11px; padding: 1px 5px; line-height: 1.4;
}
.odk-flip__thumb canvas { display: block; width: 82px; height: auto; }

/* ---------- Rodapé de ajuda ---------- */
.odk-flip__hint {
	margin-top: 12px; color: #93a4c9; font-family: var(--odk-util, sans-serif);
	font-size: 14px; letter-spacing: .04em; text-transform: uppercase;
}
.odk-flip__hint kbd {
	background: rgba(255, 255, 255, .14); padding: 1px 6px; font-family: inherit; font-size: 13px;
}

@media (max-width: 640px) {
	.odk-flip__stage { padding: 10px; min-height: 52vh; }
	.odk-flip__bar { padding: 6px; }
	.odk-flip__btn { padding: 0 9px; font-size: 14px; }
	.odk-flip__btn .odk-flip__btn-text { display: none; }
	.odk-flip__hint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
	.odk-flip__turn { transition-duration: .001ms !important; }
}