/* ============================================================
   STYLE.CSS — светлая зелёная тема
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;900&display=swap');

/* ---------- Переменные ---------- */
:root {
  --green-dark:  #1a6e3c;
  --green-mid:   #2d9e5f;
  --green-light: #6fcf97;
  --green-pale:  #e8f7ef;
  --white:       #ffffff;
  --text:        #1a2e22;
  --text-muted:  #557060;
  --card-bg:     rgba(255,255,255,0.88);
  --shadow:      0 4px 20px rgba(30,90,60,0.13);
  --radius:      16px;
  --radius-sm:   10px;
}

/* ---------- Сброс ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Nunito', sans-serif;
  color: var(--text);
  min-height: 100vh;
  background: linear-gradient(160deg, #d8f3e6 0%, #f0fbf5 60%, #e2f4ea 100%);
  overflow-x: hidden;
}

/* ---------- Фон ---------- */
#background {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
#bg-img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

/* ---------- Шапка ---------- */
header {
  position: relative;
  z-index: 10;
  background: var(--green-dark);
  color: var(--white);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 3px 14px rgba(0,0,0,0.18);
}
header h1 {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.5px;
}
#energy-display {
  font-size: 1.05rem;
  font-weight: 700;
  background: rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 6px 14px;
}

/* ---------- Основной контент ---------- */
main {
  position: relative;
  z-index: 10;
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 20px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

@media (max-width: 640px) {
  main { grid-template-columns: 1fr; }
}

/* ---------- Ветряк ---------- */
#turbine-section {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 20px 20px;
  text-align: center;
  backdrop-filter: blur(6px);
}

#turbine-wrap {
  position: relative;
  display: inline-block;
  cursor: pointer;
  width: 200px;
  height: 300px;
  margin: 0 auto 12px;
  user-select: none;
}
#turbine-wrap:active { transform: scale(0.97); }

#tower-img {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;        /* подбери под свой файл */
  height: 240px;
  object-fit: contain;
  pointer-events: none;
}

#blade-img {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 180px;       /* подбери под свой файл */
  height: 180px;
  object-fit: contain;
  pointer-events: none;
  transform-origin: center center;
  transition: transform 0.1s ease;
}

/* Вращение при клике */
@keyframes spin-click {
  from { transform: translateX(-50%) rotate(0deg); }
  to   { transform: translateX(-50%) rotate(360deg); }
}
#blade-img.spinning {
  animation: spin-click 0.5s cubic-bezier(0.4,0,0.6,1) forwards;
}

/* Пассивное вращение */
@keyframes passive-spin-anim {
  from { transform: translateX(-50%) rotate(0deg); }
  to   { transform: translateX(-50%) rotate(360deg); }
}
#blade-img.passive-spin {
  animation: passive-spin-anim linear infinite;
  animation-duration: inherit;
}

/* Заглушка если нет картинок */
#turbine-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: flex-end;
}
#ph-blade {
  font-size: 4rem;
  line-height: 1;
  transition: transform 0.3s;
}
#ph-blade.spinning-emoji {
  animation: spin-emoji 0.5s ease forwards;
}
@keyframes spin-emoji {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
#ph-tower {
  font-size: 3rem;
  color: var(--green-dark);
  line-height: 1;
  font-weight: 900;
}

/* Если картинка загрузилась — скрываем заглушку */
#tower-img[style="display:none"] ~ #turbine-placeholder,
#blade-img[style="display:none"] ~ #turbine-placeholder {
  /* заглушка видна только если нет картинок */
}

#click-hint {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 4px;
}
#click-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--green-dark);
}

/* ---------- Улучшения ---------- */
#upgrades-section {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 20px;
  backdrop-filter: blur(6px);
}
#upgrades-section h2 {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--green-dark);
  margin-bottom: 16px;
  border-bottom: 2px solid var(--green-pale);
  padding-bottom: 8px;
}

.upg-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--green-pale);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 10px;
  cursor: not-allowed;
  opacity: 0.65;
  transition: all 0.2s;
}
.upg-card.can-buy {
  opacity: 1;
  cursor: pointer;
  border-color: var(--green-mid);
  box-shadow: 0 2px 10px rgba(45,158,95,0.18);
}
.upg-card.can-buy:hover {
  background: #d0f0df;
  transform: translateY(-1px);
}
.upg-card.can-buy:active { transform: scale(0.98); }
.upg-card.maxed {
  opacity: 0.5;
  cursor: default;
  background: #f0f0f0;
}

.upg-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: white;
  border-radius: 8px;
  overflow: hidden;
}
.upg-icon img {
  width: 100%; height: 100%;
  object-fit: contain;
}
.upg-emoji { font-size: 1.8rem; }

.upg-info {
  flex: 1;
  display: flex; flex-direction: column; gap: 2px;
}
.upg-info strong { font-size: 0.95rem; font-weight: 700; }
.upg-desc  { font-size: 0.8rem; color: var(--text-muted); }
.upg-bought{ font-size: 0.75rem; color: var(--green-dark); font-weight: 600; }

.upg-cost {
  font-size: 0.9rem;
  font-weight: 900;
  color: var(--green-dark);
  white-space: nowrap;
}

/* ---------- Факт ---------- */
#fact-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(10,50,25,0.55);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(3px);
  transition: opacity 0.3s;
}
#fact-overlay.hidden {
  opacity: 0; pointer-events: none;
}

#fact-box {
  background: var(--white);
  border-radius: 20px;
  padding: 36px 32px 28px;
  max-width: 420px;
  width: 90%;
  text-align: center;
  box-shadow: 0 12px 48px rgba(0,0,0,0.22);
  animation: pop-in 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes pop-in {
  from { transform: scale(0.8); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}
#fact-icon {
  font-size: 2.8rem;
  margin-bottom: 14px;
}
#fact-text {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 22px;
  font-weight: 600;
}
#fact-close {
  background: var(--green-dark);
  color: white;
  border: none;
  border-radius: 10px;
  padding: 10px 28px;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s;
}
#fact-close:hover { background: var(--green-mid); }

/* ---------- Всплывашка энергии ---------- */
.float-text {
  position: absolute;
  pointer-events: none;
  z-index: 200;
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--green-dark);
  text-shadow: 0 1px 4px rgba(255,255,255,0.8);
  animation: float-up 0.9s ease forwards;
}
@keyframes float-up {
  0%   { opacity: 1; transform: translateY(0) translateX(-50%); }
  100% { opacity: 0; transform: translateY(-60px) translateX(-50%); }
}