/* ════════════════════════════════════════════════════════════════
   Motorstrom Rechner — Styles
   Akzentfarbe: #2E7D32 (Grün)
   ════════════════════════════════════════════════════════════════ */

:root {
  --mr-accent:      #2E7D32;
  --mr-accent-dark: #1B5E20;
  --mr-accent-glow: rgba(46,125,50,.14);
  --mr-accent-lite: #C8E6C9;
  --mr-p-color:     #1565C0;   /* Wirkleistung P — Blau   */
  --mr-q-color:     #E65100;   /* Blindleistung Q — Orange */
  --mr-s-color:     #6A1B9A;   /* Scheinleistung S — Lila  */
  --mr-border:      #E2E8F0;
  --mr-bg:          #F8FAFC;
  --mr-bg-card:     #FFFFFF;
  --mr-text:        #1E293B;
  --mr-muted:       #64748B;
  --mr-radius:      10px;
}

/* ── Wrapper ─────────────────────────────────────────────────── */
.mr-wrapper {
  max-width: 1140px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

/* ── Header ──────────────────────────────────────────────────── */
.mr-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.mr-header-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--mr-accent), var(--mr-accent-dark));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: #fff;
  box-shadow: 0 3px 8px rgba(46,125,50,.35);
  flex-shrink: 0;
}
.mr-title    { font-size: 1.35rem; font-weight: 700; color: var(--mr-text); margin: 0; }
.mr-subtitle { font-size: 0.82rem; color: var(--mr-muted); margin: 0; }

/* ── Main grid ───────────────────────────────────────────────── */
.mr-main {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 1.25rem;
  align-items: start;
}

/* ── Card ─────────────────────────────────────────────────────── */
.mr-card {
  background: var(--mr-bg-card);
  border: 1.5px solid var(--mr-border);
  border-radius: var(--mr-radius);
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}
.mr-card:last-child { margin-bottom: 0; }
.mr-card-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--mr-muted);
  margin-bottom: 0.9rem;
}

/* ── Input column ─────────────────────────────────────────────── */
.mr-inputs-col { display: flex; flex-direction: column; }

.mr-field { margin-bottom: 1rem; }
.mr-field:last-child { margin-bottom: 0; }

.mr-field-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
}
.mr-label {
  font-size: 0.82rem;
  color: var(--mr-text);
  font-weight: 500;
}
.mr-label.mb-1 { margin-bottom: 0.35rem; display: block; }

.mr-input-wrap { display: flex; align-items: center; gap: 5px; }
.mr-input {
  width: 90px;
  text-align: right;
  font-size: 0.95rem;
  font-weight: 700;
  padding: .3rem .55rem;
  border: 1.5px solid var(--mr-border);
  border-radius: 7px;
  background: var(--mr-bg);
  color: var(--mr-text);
  outline: none;
  transition: border-color .15s;
  -moz-appearance: textfield;
}
.mr-input::-webkit-outer-spin-button,
.mr-input::-webkit-inner-spin-button { -webkit-appearance: none; }
.mr-input:focus { border-color: var(--mr-accent); background: #fff; }
.mr-select { width: auto; min-width: 180px; text-align: left; cursor: pointer; font-size: 0.82rem; }
.mr-unit {
  font-size: 0.78rem;
  color: var(--mr-muted);
  min-width: 22px;
}

/* Sliders */
.mr-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 5px;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  background: linear-gradient(to right, var(--mr-accent) 0%, var(--mr-accent) 25%, #E2E8F0 25%, #E2E8F0 100%);
}
.mr-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--mr-accent);
  border: 2.5px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.25);
  cursor: pointer;
}
.mr-slider::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--mr-accent);
  border: 2.5px solid #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,.25);
  cursor: pointer;
}
.mr-slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--mr-muted);
  margin-top: 2px;
}

/* Stern / Dreieck buttons */
.mr-mode-btns {
  display: flex;
  gap: 8px;
}
.mr-mode-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: .6rem 1rem;
  border: 1.5px solid var(--mr-border);
  border-radius: 9px;
  background: var(--mr-bg);
  color: var(--mr-muted);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .15s, background .15s, color .15s;
}
.mr-mode-btn .mr-mode-sym {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
}
.mr-mode-btn:hover  { border-color: var(--mr-accent); color: var(--mr-accent); background: var(--mr-accent-lite); }
.mr-mode-btn.active { border-color: var(--mr-accent); background: var(--mr-accent); color: #fff; }
.mr-mode-btn.active:hover { filter: brightness(1.08); }

/* ── Results column ───────────────────────────────────────────── */
.mr-results-col { display: flex; flex-direction: column; }

/* Hero result */
.mr-result-hero {
  background: linear-gradient(135deg, var(--mr-accent), var(--mr-accent-dark));
  border-radius: var(--mr-radius);
  padding: 1.1rem 1.4rem;
  margin-bottom: 1rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.mr-result-hero-label {
  font-size: 0.8rem;
  opacity: .85;
  font-weight: 500;
  flex-shrink: 0;
}
.mr-result-hero-val {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1;
  flex: 1;
  text-align: right;
}
.mr-result-unit { font-size: 1rem; font-weight: 500; opacity: .85; }
.mr-result-hero-sub {
  font-size: 0.72rem;
  opacity: .75;
  flex-shrink: 0;
  text-align: right;
  min-width: 100px;
}

/* Results table */
.mr-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.83rem;
}
.mr-table td { padding: 5px 4px; }
.mr-table td:first-child { color: var(--mr-muted); }
.mr-td-val  { font-weight: 700; text-align: right; color: var(--mr-text); font-family: 'SF Mono','Fira Code',monospace; }
.mr-td-unit { color: var(--mr-muted); font-size: 0.75rem; padding-left: 4px !important; white-space: nowrap; width: 45px; }
.mr-tr-section td {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--mr-accent);
  padding-top: 10px;
  padding-bottom: 3px;
}
.mr-tr-section:first-child td { padding-top: 0; }
.mr-tr-highlight { background: #F0FDF4; }
.mr-tr-highlight .mr-td-val { color: var(--mr-accent); }

/* Canvas */
#mrCanvas {
  width: 100%;
  display: block;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 860px) {
  .mr-main { grid-template-columns: 1fr; }
}