@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700;800&family=JetBrains+Mono:wght@500;700&display=swap');

:root {
  --bg:           #f7faf8;
  --ink:          #16241c;
  --ink-soft:     #51695c;
  --line:         #d8e6dd;
  --card:         #ffffff;
  --accent-clean: #2d9e5f;
  --accent-dirty: #3a3a3a;
  --warn-bg:      #fff4e0;
  --warn-text:    #8a5a14;
  --radius:       14px;
  --shadow:       0 6px 24px rgba(20,50,30,0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Manrope', sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 880px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

/* Header*/
#app-header {
  text-align: center;
  margin-bottom: 28px;
}
#app-title {
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin-bottom: 8px;
}
#app-subtitle {
  color: var(--ink-soft);
  font-size: 1rem;
}

/*Control Panel*/
#controls {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px;
  margin-bottom: 24px;
}

#source-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.toggle-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px 8px 10px;
  border-radius: 999px;
  border: 2px solid var(--line);
  cursor: pointer;
  user-select: none;
  transition: all 0.18s ease;
  background: #fff;
}
.toggle-pill input { display: none; }
.toggle-pill.active {
  border-color: var(--pill-color, var(--accent-clean));
  background: color-mix(in srgb, var(--pill-color, var(--accent-clean)) 12%, white);
}
.toggle-pill:not(.active) { opacity: 0.55; }
.toggle-pill:hover { opacity: 0.85; }
.toggle-pill.active:hover { opacity: 1; }

.toggle-icon {
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.toggle-icon img { width: 100%; height: 100%; object-fit: contain; }
.toggle-name { font-weight: 700; font-size: 0.92rem; }

/* ---------- Слайдер ---------- */
#slider-block { padding-top: 4px; }
#slider-label {
  display: block;
  font-weight: 700;
  margin-bottom: 12px;
  font-size: 1.02rem;
}
#slider-value {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent-clean);
  font-weight: 700;
}

#energy-slider {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-clean), var(--line));
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}
#energy-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--card);
  border: 3px solid var(--accent-clean);
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  cursor: pointer;
}
#energy-slider::-moz-range-thumb {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--card);
  border: 3px solid var(--accent-clean);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

#slider-equivalent {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-style: italic;
}

/* ---------- График ---------- */
#chart-section {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px 20px;
  margin-bottom: 18px;
}

#chart-wrap {
  position: relative;
  min-height: 420px;
}

#chart-break-zigzag {
  position: absolute;
  left: 0; right: 0;
  bottom: calc(380px * 0.55 + 38px); /* matches the breakAfterKg threshold in the JS px logic */
  height: 14px;
  background: repeating-linear-gradient(
    -55deg,
    var(--warn-bg) 0 8px,
    transparent 8px 16px
  );
  border-top: 2px dashed #d99a3a;
  border-bottom: 2px dashed #d99a3a;
  z-index: 1;
}
#chart-break-zigzag.hidden { display: none; }

#bars-container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: clamp(16px, 4vw, 48px);
  height: 420px;
  padding-bottom: 0;
}

.bar-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 86px;
  height: 100%;
  justify-content: flex-end;
}

.bar-value {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.82rem;
  margin-bottom: 6px;
  white-space: nowrap;
}

.bar-track {
  width: 56px;
  height: 380px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: linear-gradient(to top, #eef4f0 0%, #f7faf8 100%);
  border-radius: 8px 8px 4px 4px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.bar-fill {
  width: 100%;
  height: 0px;
  border-radius: 6px 6px 0 0;
  transition: height 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.bar-icon {
  margin-top: 10px;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.bar-icon img { width: 100%; height: 100%; object-fit: contain; }

.bar-label {
  margin-top: 4px;
  font-weight: 700;
  font-size: 0.85rem;
  text-align: center;
}

.empty-msg {
  margin: auto;
  color: var(--ink-soft);
  font-size: 1rem;
  text-align: center;
}

#chart-note {
  font-size: 0.8rem;
  color: var(--warn-text);
  background: var(--warn-bg);
  border-radius: 8px;
  padding: 8px 12px;
  margin-top: 14px;
}
#chart-note.hidden { display: none; }

/* result */
#summary-box {
  background: linear-gradient(135deg, #eaf7ef, #f7faf8);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 18px;
  min-height: 24px;
}
#summary-text {
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--ink);
  line-height: 1.5;
}

/*footer*/
#app-footer {
  text-align: center;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

/*Mobile adapt (Should we keep it?)*/
@media (max-width: 560px) {
  #bars-container { gap: 12px; }
  .bar-col { width: 64px; }
  .bar-track { width: 42px; height: 300px; }
  #chart-wrap { min-height: 340px; }
  #bars-container { height: 340px; }
}