/* ZERO Appliance Based Floating Calculator */
.zero-calc-fab {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 99990;
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 12px;
  width: 220px;
  padding: 12px 14px;
  border-radius: 24px;
  border: 1px solid rgba(125, 211, 252, 0.42);
  background:
    radial-gradient(circle at 0% 0%, rgba(56,189,248,.34), transparent 40%),
    linear-gradient(135deg, rgba(2,8,23,.96), rgba(15,23,42,.94));
  color: #fff;
  box-shadow:
    0 22px 70px rgba(2,8,23,.38),
    0 0 30px rgba(56,189,248,.18);
  cursor: pointer;
  backdrop-filter: blur(18px);
  animation: zeroCalcPulse 3.2s ease-in-out infinite;
}

.zero-calc-fab:hover {
  transform: translateY(-2px);
}

.zero-calc-fab-icon {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: rgba(56,189,248,.16);
  border: 1px solid rgba(125,211,252,.34);
}

.zero-calc-fab-main {
  display: block;
  font-size: 16px;
  font-weight: 950;
  letter-spacing: -.03em;
}

.zero-calc-fab-mini {
  margin-top: 5px;
  display: flex;
  gap: 5px;
  font-size: 15px;
}

.zero-calc-free {
  position: absolute;
  right: 12px;
  top: -10px;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 10px;
  font-weight: 950;
  color: #020817;
  background: #7dd3fc;
}

@keyframes zeroCalcPulse {
  0%, 100% { box-shadow: 0 22px 70px rgba(2,8,23,.38), 0 0 24px rgba(56,189,248,.14); }
  50% { box-shadow: 0 26px 80px rgba(2,8,23,.42), 0 0 42px rgba(56,189,248,.30); }
}

.zero-calc-overlay {
  position: fixed;
  inset: 0;
  z-index: 99991;
  display: none;
  background: rgba(2,8,23,.52);
  backdrop-filter: blur(10px);
}

.zero-calc-overlay.open {
  display: block;
}

.zero-calc-panel {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: min(520px, calc(100vw - 28px));
  max-height: calc(100vh - 36px);
  overflow: auto;
  border-radius: 34px;
  background:
    radial-gradient(circle at 18% 0%, rgba(56,189,248,.18), transparent 34%),
    linear-gradient(180deg, rgba(255,255,255,.97), rgba(239,248,255,.97));
  border: 1px solid rgba(255,255,255,.78);
  box-shadow: 0 34px 110px rgba(2,8,23,.48);
}

.zero-calc-head {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px;
  background: rgba(255,255,255,.90);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(226,232,240,.72);
}

.zero-calc-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.zero-calc-title-icon {
  width: 42px;
  height: 42px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: #fff;
  background: #020817;
  font-size: 22px;
}

.zero-calc-title strong {
  display: block;
  font-size: 18px;
  line-height: 1.05;
  letter-spacing: -.035em;
  color: #020817;
}

.zero-calc-title span {
  display: flex;
  gap: 8px;
  margin-top: 4px;
  font-size: 16px;
}

.zero-calc-close {
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 999px;
  background: #f1f5f9;
  color: #0f172a;
  font-size: 24px;
  cursor: pointer;
}

.zero-calc-body {
  padding: 18px;
}

.zero-calc-mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.zero-calc-mode {
  border: 1px solid rgba(203,213,225,.9);
  border-radius: 22px;
  padding: 15px;
  background: rgba(255,255,255,.80);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 950;
}

.zero-calc-mode.active {
  background: #020817;
  color: white;
  border-color: #38bdf8;
  box-shadow: 0 18px 45px rgba(14,165,233,.18);
}

.zero-calc-appliance-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.zero-app-card {
  border: 1px solid rgba(203,213,225,.95);
  border-radius: 24px;
  padding: 12px;
  background: rgba(255,255,255,.78);
}

.zero-app-top {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  align-items: center;
}

.zero-app-icon {
  width: 42px;
  height: 42px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: #e0f2fe;
  font-size: 23px;
}

.zero-app-name {
  font-size: 14px;
  line-height: 1.15;
  font-weight: 950;
  color: #020817;
}

.zero-app-controls {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 34px 1fr 34px 72px;
  gap: 7px;
  align-items: center;
}

.zero-app-controls button {
  height: 34px;
  border: 0;
  border-radius: 12px;
  background: #020817;
  color: #fff;
  font-size: 20px;
  font-weight: 950;
  cursor: pointer;
}

.zero-app-qty {
  text-align: center;
  font-size: 20px;
  font-weight: 950;
}

.zero-app-hours {
  width: 100%;
  height: 34px;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  text-align: center;
  font-size: 14px;
  font-weight: 900;
}

.zero-calc-section {
  margin-top: 17px;
}

.zero-calc-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  color: #0f172a;
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: .10em;
}

.zero-calc-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}

.zero-calc-options.inverters {
  grid-template-columns: repeat(4, 1fr);
}

.zero-calc-option {
  min-height: 112px;
  border-radius: 22px;
  padding: 10px;
  border: 1px solid rgba(203,213,225,.95);
  background: rgba(255,255,255,.78);
  cursor: pointer;
  text-align: center;
  transition: .18s ease;
}

.zero-calc-option.active {
  border-color: #0284c7;
  background: #020817;
  color: #fff;
  box-shadow: 0 18px 45px rgba(14,165,233,.22);
}

.zero-calc-product-img {
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 8px;
}

.zero-calc-product-img img {
  max-width: 100%;
  max-height: 48px;
  object-fit: contain;
}

.zero-calc-product-fallback {
  width: 42px;
  height: 42px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  margin: 0 auto;
  background: #e0f2fe;
  font-size: 22px;
}

.zero-calc-option strong {
  display: block;
  font-size: 15px;
  font-weight: 950;
  line-height: 1.05;
}

.zero-calc-option span {
  display: block;
  margin-top: 4px;
  color: #64748b;
  font-size: 11px;
  font-weight: 850;
}

.zero-calc-option.active span {
  color: #cbd5e1;
}

.zero-calc-calculate {
  width: 100%;
  margin-top: 18px;
  border: 0;
  border-radius: 999px;
  padding: 16px 18px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
  background: #2563eb;
  color: #fff;
  font-size: 17px;
  font-weight: 950;
  cursor: pointer;
  box-shadow: 0 18px 46px rgba(37,99,235,.25);
}

.zero-calc-result {
  display: none;
  margin-top: 18px;
  border-radius: 28px;
  padding: 16px;
  color: #fff;
  background:
    radial-gradient(circle at 0% 0%, rgba(56,189,248,.22), transparent 42%),
    linear-gradient(135deg, #020817, #0f172a);
  border: 1px solid rgba(125,211,252,.28);
}

.zero-calc-result.show {
  display: block;
}

.zero-calc-result-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.zero-calc-result-card {
  min-height: 96px;
  border-radius: 20px;
  padding: 10px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
  font-size: 24px;
}

.zero-calc-result-card .big {
  margin-top: 8px;
  font-size: 24px;
  font-weight: 950;
  line-height: 1;
}

.zero-calc-result-card .small {
  margin-top: 5px;
  color: #cbd5e1;
  font-size: 11px;
  font-weight: 850;
}

.zero-calc-disclaimer {
  margin-top: 12px;
  color: #94a3b8;
  font-size: 11px;
  line-height: 1.45;
  text-align: center;
}

.zero-calc-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 12px;
}

.zero-calc-action {
  border: 0;
  border-radius: 16px;
  padding: 12px 8px;
  background: rgba(255,255,255,.10);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
}

@media (max-width: 640px) {
  .zero-calc-fab {
    left: 14px;
    right: 14px;
    bottom: 14px;
    width: auto;
    grid-template-columns: 40px 1fr;
    border-radius: 22px;
  }

  .zero-calc-panel {
    left: 10px;
    right: 10px;
    bottom: 10px;
    width: auto;
    max-height: calc(100vh - 20px);
    border-radius: 28px;
  }

  .zero-calc-appliance-grid {
    grid-template-columns: 1fr;
  }

  .zero-calc-options {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
  }

  .zero-calc-options.inverters {
    grid-template-columns: repeat(2, 1fr);
  }

  .zero-calc-result-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .zero-calc-actions {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ZERO FAB Redesign - Compact Orb */
.zero-calc-fab {
  width: 82px !important;
  height: 82px !important;
  right: 24px !important;
  bottom: 24px !important;
  padding: 0 !important;
  display: grid !important;
  grid-template-columns: 1fr !important;
  place-items: center !important;
  gap: 0 !important;
  border-radius: 999px !important;
  background:
    radial-gradient(circle at 32% 20%, rgba(125,211,252,.48), transparent 38%),
    linear-gradient(145deg, #020817 0%, #082f49 54%, #020817 100%) !important;
  border: 1px solid rgba(125,211,252,.55) !important;
  box-shadow:
    0 22px 60px rgba(2,8,23,.36),
    0 0 0 8px rgba(56,189,248,.08),
    0 0 34px rgba(56,189,248,.24) !important;
  animation: zeroCalcOrbPulse 3.4s ease-in-out infinite !important;
}

.zero-calc-fab::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  pointer-events: none;
}

.zero-calc-fab::after {
  content: "Battery + Inverter";
  position: absolute;
  right: 92px;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.92);
  color: #020817;
  font-size: 13px;
  font-weight: 950;
  letter-spacing: -.02em;
  box-shadow: 0 14px 34px rgba(15,23,42,.16);
  border: 1px solid rgba(226,232,240,.9);
}

.zero-calc-fab-icon {
  width: 54px !important;
  height: 54px !important;
  border-radius: 22px !important;
  background: rgba(56,189,248,.15) !important;
  border: 1px solid rgba(125,211,252,.34) !important;
  font-size: 28px !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.10) !important;
}

.zero-calc-fab-main {
  position: absolute !important;
  left: 50% !important;
  bottom: -22px !important;
  transform: translateX(-50%) !important;
  display: block !important;
  padding: 5px 10px !important;
  border-radius: 999px !important;
  background: #7dd3fc !important;
  color: #020817 !important;
  font-size: 11px !important;
  font-weight: 950 !important;
  line-height: 1 !important;
  box-shadow: 0 10px 22px rgba(56,189,248,.24) !important;
}

.zero-calc-fab-mini,
.zero-calc-free {
  display: none !important;
}

.zero-calc-fab:hover {
  transform: translateY(-3px) scale(1.03) !important;
}

@keyframes zeroCalcOrbPulse {
  0%, 100% {
    box-shadow:
      0 22px 60px rgba(2,8,23,.36),
      0 0 0 8px rgba(56,189,248,.08),
      0 0 30px rgba(56,189,248,.18);
  }
  50% {
    box-shadow:
      0 26px 70px rgba(2,8,23,.42),
      0 0 0 12px rgba(56,189,248,.10),
      0 0 48px rgba(56,189,248,.32);
  }
}

@media (max-width: 640px) {
  .zero-calc-fab {
    left: auto !important;
    right: 18px !important;
    bottom: 18px !important;
    width: 76px !important;
    height: 76px !important;
    border-radius: 999px !important;
  }

  .zero-calc-fab::after {
    content: "Size System";
    right: 84px;
    font-size: 12px;
    padding: 9px 12px;
  }

  .zero-calc-fab-icon {
    width: 50px !important;
    height: 50px !important;
  }

  .zero-calc-fab-main {
    bottom: -20px !important;
    font-size: 10px !important;
  }
}


/* =========================================================
   ZERO AI Sizing Floating Entry - Scheme 2 English
   ========================================================= */

.zero-calc-fab {
  position: fixed !important;
  right: 18px !important;
  bottom: 22px !important;
  width: 74px !important;
  height: 74px !important;
  border-radius: 999px !important;
  padding: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  background:
    radial-gradient(circle at 30% 25%, rgba(125,211,252,.34), transparent 42%),
    linear-gradient(145deg, #04111f 0%, #0b2b49 52%, #06101d 100%) !important;
  border: 1px solid rgba(125,211,252,.46) !important;
  box-shadow:
    0 18px 48px rgba(2,8,23,.32),
    0 0 0 8px rgba(56,189,248,.08),
    0 0 38px rgba(56,189,248,.18) !important;
  z-index: 9999 !important;
  overflow: visible !important;
  animation: zeroFabFloat 3.2s ease-in-out infinite !important;
  cursor: pointer !important;
}

.zero-calc-fab:hover {
  transform: translateY(-2px) scale(1.02) !important;
}

.zero-calc-fab::before {
  content: "Not sure how many batteries,\Ainverters or solar panels you need?";
  position: absolute;
  right: 88px;
  bottom: 18px;
  width: 240px;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.97);
  color: #0f172a;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -.01em;
  white-space: pre-line;
  box-shadow: 0 16px 40px rgba(15,23,42,.16);
  border: 1px solid rgba(226,232,240,.95);
  backdrop-filter: blur(10px);
  pointer-events: none;
}

.zero-calc-fab::after {
  content: "AI Calculator";
  position: absolute;
  right: 128px;
  bottom: -10px;
  padding: 7px 12px;
  border-radius: 999px;
  background: #7dd3fc;
  color: #04111f;
  font-size: 11px;
  font-weight: 950;
  line-height: 1;
  box-shadow: 0 10px 24px rgba(56,189,248,.28);
  pointer-events: none;
}

.zero-calc-fab-icon {
  width: 52px !important;
  height: 52px !important;
  border-radius: 18px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 28px !important;
  color: #f8fafc !important;
  background: rgba(56,189,248,.12) !important;
  border: 1px solid rgba(125,211,252,.28) !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08) !important;
}

.zero-calc-fab-main,
.zero-calc-fab-mini,
.zero-calc-free {
  display: none !important;
}

@keyframes zeroFabFloat {
  0%, 100% {
    transform: translateY(0);
    box-shadow:
      0 18px 48px rgba(2,8,23,.32),
      0 0 0 8px rgba(56,189,248,.08),
      0 0 36px rgba(56,189,248,.18);
  }
  50% {
    transform: translateY(-4px);
    box-shadow:
      0 24px 58px rgba(2,8,23,.38),
      0 0 0 10px rgba(56,189,248,.10),
      0 0 42px rgba(56,189,248,.24);
  }
}

/* Slightly smaller on tablet */
@media (max-width: 900px) {
  .zero-calc-fab::before {
    width: 210px;
    right: 82px;
  }

  .zero-calc-fab::after {
    right: 110px;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .zero-calc-fab {
    right: 14px !important;
    bottom: 18px !important;
    width: 66px !important;
    height: 66px !important;
  }

  .zero-calc-fab-icon {
    width: 46px !important;
    height: 46px !important;
    font-size: 25px !important;
  }

  .zero-calc-fab::before {
    width: 178px;
    right: 76px;
    bottom: 14px;
    padding: 10px 12px;
    font-size: 11.5px;
    line-height: 1.3;
    border-radius: 16px;
    content: "Need battery, inverter\Aand solar sizing?";
  }

  .zero-calc-fab::after {
    right: 92px;
    bottom: -10px;
    padding: 6px 10px;
    font-size: 10px;
    content: "AI Sizing";
  }
}

/* =========================================================
   ZERO AI Sizer Compact Pill - Final Cleaner Entry
   ========================================================= */

.zero-calc-fab {
  position: fixed !important;
  right: 22px !important;
  bottom: 24px !important;
  width: 214px !important;
  height: 66px !important;
  padding: 10px 14px !important;
  display: grid !important;
  grid-template-columns: 46px 1fr !important;
  align-items: center !important;
  gap: 12px !important;
  border-radius: 999px !important;
  background:
    radial-gradient(circle at 18% 15%, rgba(125,211,252,.30), transparent 40%),
    linear-gradient(135deg, rgba(2,8,23,.96), rgba(8,47,73,.94)) !important;
  border: 1px solid rgba(125,211,252,.42) !important;
  color: #fff !important;
  box-shadow:
    0 18px 48px rgba(2,8,23,.28),
    0 0 0 6px rgba(56,189,248,.06),
    0 0 30px rgba(56,189,248,.16) !important;
  z-index: 99990 !important;
  overflow: visible !important;
  animation: zeroAiPillPulse 3.6s ease-in-out infinite !important;
}

.zero-calc-fab::before,
.zero-calc-fab::after {
  display: none !important;
  content: none !important;
}

.zero-calc-fab:hover {
  transform: translateY(-2px) !important;
}

.zero-calc-fab-icon {
  width: 46px !important;
  height: 46px !important;
  border-radius: 18px !important;
  display: grid !important;
  place-items: center !important;
  background: rgba(56,189,248,.16) !important;
  border: 1px solid rgba(125,211,252,.32) !important;
  font-size: 25px !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.10) !important;
}

.zero-calc-fab-main {
  display: block !important;
  position: static !important;
  transform: none !important;
  padding: 0 !important;
  background: transparent !important;
  color: #fff !important;
  box-shadow: none !important;
  font-size: 17px !important;
  font-weight: 950 !important;
  line-height: 1.05 !important;
  letter-spacing: -.035em !important;
}

.zero-calc-fab-main::before {
  content: "AI Sizer";
}

.zero-calc-fab-main {
  font-size: 0 !important;
}

.zero-calc-fab-main::before {
  font-size: 17px !important;
}

.zero-calc-fab-main::after {
  content: "Battery · Inverter · Solar";
  display: block;
  margin-top: 5px;
  color: rgba(226,232,240,.82);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: -.01em;
}

.zero-calc-fab-mini,
.zero-calc-free {
  display: none !important;
}

@keyframes zeroAiPillPulse {
  0%, 100% {
    box-shadow:
      0 18px 48px rgba(2,8,23,.28),
      0 0 0 6px rgba(56,189,248,.06),
      0 0 28px rgba(56,189,248,.14);
  }
  50% {
    box-shadow:
      0 22px 58px rgba(2,8,23,.34),
      0 0 0 8px rgba(56,189,248,.08),
      0 0 38px rgba(56,189,248,.22);
  }
}

@media (max-width: 640px) {
  .zero-calc-fab {
    left: 14px !important;
    right: 14px !important;
    bottom: 78px !important;
    width: auto !important;
    height: 58px !important;
    grid-template-columns: 42px 1fr !important;
    padding: 8px 12px !important;
  }

  .zero-calc-fab-icon {
    width: 42px !important;
    height: 42px !important;
    border-radius: 16px !important;
    font-size: 23px !important;
  }

  .zero-calc-fab-main::before {
    font-size: 15px !important;
  }

  .zero-calc-fab-main::after {
    font-size: 10.5px !important;
    content: "Battery · Inverter · Solar";
  }
}