/* ==========================================================
   SOLIDARNI PODBESKIDZIE - POPRAWIONY ARKUSZ CSS
   Specjalna optymalizacja dla Redmi A2 (320px-360px x 720px)
   Pancerne, niepsujące się fiszki + zero bocznego scrolla
========================================================== */

:root {
  --bg-main: #0f1013;
  --bg-card: #181a20;
  --bg-card-alt: #22252e;
  --text-white: #f5f6f8;
  --text-gray: #a3a8b7;
  --red-main: #e62229;
  --red-hover: #ff333b;
  --yellow-main: #f8b800;
  --green-main: #00cc66;
  --border-color: #2a2e3a;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --font-logo: 'Bungee', cursive;
  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* RESET & ANTY-OVERFLOW NA EKRANY OD 320PX */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  background-color: var(--bg-main);
  color: var(--text-white);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  word-break: normal;
  overflow-wrap: anywhere;
}

/* PRZEWIJANA HORYZONTALNIE BELKA GÓRNA (STICKY) */
.top-bar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(18, 20, 26, 0.98);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--border-color);
  padding: 8px 10px;
}

.logo-area {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 6px;
  padding: 0 4px;
}

.logo-title {
  font-family: var(--font-logo);
  color: var(--red-main);
  font-size: 1.25rem;
  letter-spacing: 1px;
  line-height: 1;
}

.logo-sub {
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--yellow-main);
  letter-spacing: 0.5px;
}

/* PIGUŁKI ZAKŁADEK (SCROLL KCIUKIEM) */
.nav-scroll {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  white-space: nowrap;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.nav-scroll::-webkit-scrollbar {
  display: none;
}

.nav-pill {
  background-color: var(--bg-card);
  color: var(--text-gray);
  border: 1px solid var(--border-color);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 50px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}

.nav-pill.active {
  background-color: var(--red-main);
  color: #fff;
  border-color: var(--red-main);
}

/* GŁÓWNY WRAPPER TREŚCI */
.main-wrapper {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 10px 8px 40px 8px;
}

/* BANNER HERO */
.hero-box {
  background: linear-gradient(145deg, #1f1315 0%, #15171d 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  margin-bottom: 14px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  background-color: var(--yellow-main);
  color: #000;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.hero-box h1 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  line-height: 1.25;
  margin-bottom: 6px;
  color: #fff;
}

.hero-box p {
  font-size: 0.8rem;
  color: var(--text-gray);
}

/* ZAKŁADKI WIDOKÓW */
.tab-view {
  display: none;
}

.tab-view.active {
  display: block;
  animation: tabFadeIn 0.25s ease-out;
}

@keyframes tabFadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.view-header {
  margin-bottom: 14px;
  padding: 0 4px;
}

.view-header h2 {
  font-family: var(--font-head);
  font-size: 1.25rem;
  color: #fff;
  line-height: 1.2;
}

.view-header p {
  font-size: 0.82rem;
  color: var(--text-gray);
  margin-top: 3px;
}

/* KARTY W KOMPENDIUM I PODBESKIDZIU */
.cards-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.info-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 12px;
}

.info-card.border-red {
  border-left: 4px solid var(--red-main);
}

.info-card.border-yellow {
  border-left: 4px solid var(--yellow-main);
}

.badge-tag {
  display: inline-block;
  background-color: rgba(230, 34, 41, 0.15);
  color: var(--red-main);
  font-size: 0.68rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
  margin-bottom: 6px;
}

.badge-tag.gold {
  background-color: rgba(248, 184, 0, 0.15);
  color: var(--yellow-main);
}

.info-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 8px;
}

.info-card p {
  font-size: 0.85rem;
  color: #c9cdd8;
  margin-bottom: 8px;
}

.bullet-list {
  padding-left: 18px;
  margin-bottom: 8px;
}

.bullet-list li {
  font-size: 0.83rem;
  color: #c9cdd8;
  margin-bottom: 6px;
}

.callout-box {
  background-color: #231215;
  border-left: 3px solid var(--red-main);
  padding: 8px 10px;
  font-size: 0.8rem;
  color: #ffb8ba;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 8px;
}

.table-compact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 8px 0;
}

.table-row {
  background-color: #121418;
  border: 1px solid var(--border-color);
  padding: 6px 8px;
  font-size: 0.78rem;
  border-radius: 4px;
}

.table-row.highlight {
  border-color: var(--red-main);
  background-color: #1f1416;
}

.mt-sm {
  margin-top: 8px;
}

/* ==========================================================
   PANCERNE FISZKI (POPRAWIONE DLA ANDROIDA I REDMI A2)
========================================================== */
.pills-filter {
  display: flex;
  gap: 5px;
  overflow-x: auto;
  white-space: nowrap;
  margin-top: 8px;
  padding-bottom: 4px;
  scrollbar-width: none;
}

.pills-filter::-webkit-scrollbar {
  display: none;
}

.filter-btn {
  background-color: var(--bg-card);
  color: var(--text-gray);
  border: 1px solid var(--border-color);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 20px;
  cursor: pointer;
  flex-shrink: 0;
}

.filter-btn.active {
  background-color: var(--red-main);
  color: #fff;
  border-color: var(--red-main);
}

.flashcard-container {
  width: 100%;
  max-width: 500px;
  margin: 10px auto 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.fc-counter {
  font-size: 0.75rem;
  color: var(--text-gray);
  margin-bottom: 6px;
  font-weight: 700;
}

/* Sztywna wysokość 270px idealnie dopasowana do ekranu 720px */
.fc-card {
  width: 100%;
  height: 270px;
  position: relative;
  -webkit-perspective: 1000px;
  perspective: 1000px;
  cursor: pointer;
  user-select: none;
  touch-action: manipulation;
}

.fc-inner {
  position: relative;
  width: 100%;
  height: 100%;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  -webkit-transition: -webkit-transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Klasa aktywowana przy obrocie */
.fc-card.flipped .fc-inner {
  -webkit-transform: rotateY(180deg);
  transform: rotateY(180deg);
}

/* Obie strony fiszki */
.fc-front, .fc-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-md);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.35);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}

/* PRZÓD FISZKI */
.fc-front {
  background: linear-gradient(145deg, #1d2028, #15171d);
  border: 2px solid var(--border-color);
  -webkit-transform: rotateY(0deg);
  transform: rotateY(0deg);
  z-index: 2; /* Na wierzchu domyślnie */
}

/* TYŁ FISZKI */
.fc-back {
  background: linear-gradient(145deg, #2b1316, #1b0e10);
  border: 2px solid var(--red-main);
  -webkit-transform: rotateY(180deg);
  transform: rotateY(180deg);
  z-index: 1;
}

/* Zmiana priorytetu z-index w trakcie obrotu (ratunek dla procesorów mobilnych) */
.fc-card.flipped .fc-front {
  z-index: 1;
}

.fc-card.flipped .fc-back {
  z-index: 2;
}

.fc-tag {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: var(--yellow-main);
  text-transform: uppercase;
}

.fc-front p, .fc-back p {
  width: 100%;
  max-height: 180px;
  overflow-y: auto;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.4;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: auto 0;
  padding: 4px;
}

.fc-back p {
  color: #ffffff;
  font-size: 0.86rem;
  white-space: pre-line; /* Umożliwia łamanie linii w odpowiedziach z \n */
}

.fc-hint {
  font-size: 0.68rem;
  color: var(--text-gray);
}

/* PRZYCISKI STEROWANIA FISZKAMI */
.fc-actions {
  display: flex;
  gap: 6px;
  width: 100%;
  margin-top: 12px;
}

.fc-actions .btn {
  flex: 1;
  padding: 10px 4px;
  font-size: 0.74rem;
  white-space: nowrap;
}

/* PRZYCISKI BAZOWE */
.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.1s ease, background 0.2s ease;
  user-select: none;
}

.btn:active {
  transform: scale(0.96);
}

.btn-red {
  background-color: var(--red-main);
  color: #fff;
}

.btn-yellow {
  background-color: var(--yellow-main);
  color: #000;
}

.btn-gray {
  background-color: var(--bg-card);
  color: #fff;
  border: 1px solid var(--border-color);
}

.btn-block {
  width: 100%;
  padding: 12px;
  font-size: 0.9rem;
  margin-top: 8px;
}

/* KALENDARIUM */
.search-wrap {
  margin-top: 8px;
}

.search-wrap input {
  width: 100%;
  padding: 9px 12px;
  font-size: 0.85rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: #fff;
  outline: none;
}

.search-wrap input:focus {
  border-color: var(--red-main);
}

.timeline-box {
  position: relative;
  margin-top: 14px;
  padding-left: 20px;
}

.timeline-box::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background-color: var(--border-color);
}

.timeline-entry {
  position: relative;
  margin-bottom: 14px;
}

.timeline-dot {
  position: absolute;
  left: -20px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: var(--red-main);
  border: 2px solid var(--bg-main);
}

.timeline-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}

.timeline-date {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--yellow-main);
  margin-bottom: 2px;
}

.timeline-desc {
  font-size: 0.8rem;
  color: #c9cdd8;
}

/* QUIZ */
.quiz-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 10px;
  margin-bottom: 12px;
}

.quiz-item.is-correct {
  border-color: var(--green-main);
  background-color: rgba(0, 204, 102, 0.06);
}

.quiz-item.is-incorrect {
  border-color: var(--red-main);
  background-color: rgba(230, 34, 41, 0.06);
}

.quiz-q-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.quiz-choice-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.quiz-choice {
  display: flex;
  align-items: center;
  min-height: 44px; /* Standard dotykowy dla palca */
  padding: 8px 10px;
  background-color: #121419;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  color: #c9cdd8;
}

.quiz-choice input {
  margin-right: 8px;
  accent-color: var(--red-main);
  transform: scale(1.15);
}

.quiz-feedback {
  margin-top: 8px;
  padding: 8px;
  border-radius: 4px;
  background-color: #0a0b0d;
  font-size: 0.78rem;
  color: #d1d5e0;
}

.result-box {
  margin-top: 14px;
  padding: 14px;
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 800;
  font-size: 1rem;
}

.result-box.pass {
  background-color: rgba(0, 204, 102, 0.2);
  border: 2px solid var(--green-main);
  color: #33ff99;
}

.result-box.fail {
  background-color: rgba(248, 184, 0, 0.2);
  border: 2px solid var(--yellow-main);
  color: var(--yellow-main);
}

.hidden {
  display: none !important;
}

/* SKRÓTOWIEC */
.acronyms-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.acronym-row {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
}

.acronym-head {
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--red-main);
  font-weight: 700;
}

.acronym-full {
  font-weight: 700;
  color: #fff;
  font-size: 0.83rem;
  margin: 2px 0;
}

.acronym-info {
  font-size: 0.76rem;
  color: var(--text-gray);
}

/* STOPKA */
.app-footer {
  text-align: center;
  padding: 20px 10px;
  font-size: 0.72rem;
  color: var(--text-gray);
  border-top: 1px solid var(--border-color);
}