/* =========================================================
   Voltflow — electric calculator with a cobe globe
   ========================================================= */

:root {
  --font: 'Noto Sans', 'Noto Sans Thai', 'Noto Sans JP', 'Noto Sans KR', 'Noto Sans SC', 'Noto Sans TC', 'Noto Sans Arabic', system-ui, sans-serif;
  --bg: #07070b;
  --bg-2: #0e0e16;
  --card: rgba(20, 20, 30, 0.7);
  --card-2: rgba(28, 28, 42, 0.8);
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --fg: #f5f5f8;
  --fg-2: #c8c8d4;
  --muted: #76768a;
  --muted-2: #50506a;
  --accent: #c4b5fd; /* violet glow — same family as globe */
  --accent-2: #67e8f9; /* cyan accent */
  --warm: #fde68a; /* marker gold */
  --ok: #86efac;
  --primary: #a78bfa;

  --radius: 18px;
  --radius-sm: 12px;
}

* { box-sizing: border-box; }

/* html background is propagated to the CSS canvas — the only layer guaranteed
   to fill the entire screen including iOS safe areas (Dynamic Island, notch).
   All gradients live here so they're always visible behind the Dynamic Island. */
html {
  margin: 0;
  background:
    /* Solid #1a1830 at y=0 fading to transparent over 120px.
       This directly colours the Dynamic Island safe-area region
       with a value that matches theme-color, then blends into the
       gradient layers below. Opaque colour is more reliable than
       stacking translucent radials over near-black #07070b. */
    linear-gradient(to bottom, #1a1830 0%, rgba(26, 24, 48, 0) 120px),
    radial-gradient(1200px 800px at 50% -200px, rgba(139, 92, 246, 0.14), transparent 60%),
    radial-gradient(900px 700px at 90% 30%, rgba(103, 232, 249, 0.06), transparent 60%),
    radial-gradient(600px 400px at 50% 22%, rgba(167, 139, 250, 0.22), transparent 70%),
    var(--bg);
  background-attachment: fixed;
  color: var(--fg);
  font-family: var(--font);
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  min-height: 100%;
  min-height: -webkit-fill-available;
  min-height: 100dvh;
}

body {
  margin: 0;
  /* Transparent so the html canvas background shows through everywhere,
     including safe areas the body element cannot reach. */
  background: transparent;
  min-height: 100%;
  min-height: -webkit-fill-available;
  min-height: 100dvh;
}

/* Use tabular numerals everywhere numbers appear, so columns stay aligned
   even with proportional sans. */
input, .var, .res-num, .res-unit, .field-input, .field-unit,
.preset-vals, .ev-out-value span, .ev-out-value small, .ev-out-sub,
.sv-chip, .cp-volt, .cp-curr, .country-chip-specs,
.phase-opt-formula, .phase-opt-volts, .phase-opt-short,
.seg-btn em, .cheat-term {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum';
}

/* ----- Floating background globe ----- */
.globe-bg {
  position: fixed;
  top: -180px;
  right: -220px;
  width: 720px;
  height: 720px;
  pointer-events: none; /* don't intercept clicks on the header/chip behind */
  z-index: 0;
  opacity: 0.55;
  filter: saturate(1.1);
  mask-image: radial-gradient(circle at center, black 50%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at center, black 50%, transparent 78%);
}
.globe-bg .globe-wrap {
  width: 100%;
  height: 100%;
  max-width: none;
  aspect-ratio: auto;
  pointer-events: none;
}
.globe-bg .globe-canvas {
  background: transparent;
  pointer-events: none;
  cursor: default;
}

@media (max-width: 900px) {
  .globe-bg {
    top: -260px;
    right: -260px;
    width: 560px;
    height: 560px;
    opacity: 0.4;
  }
}
@media (max-width: 560px) {
  .globe-bg {
    top: -200px;
    right: -180px;
    width: 420px;
    height: 420px;
    opacity: 0.32;
  }
}

.app {
  max-width: 880px;
  margin: 0 auto;
  padding: calc(32px + env(safe-area-inset-top)) calc(20px + env(safe-area-inset-right)) calc(80px + env(safe-area-inset-bottom)) calc(20px + env(safe-area-inset-left));
  position: relative;
  z-index: 1;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  /* Gradients moved to html (canvas) so they reach safe areas on iOS.
     This element is kept for stacking-context ordering only. */
  z-index: 0;
}

/* ----- Header ----- */
.hdr {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.hdr-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.hdr-dot {
  width: 10px;
  height: 10px;
  border-radius: 99px;
  background: radial-gradient(circle at 30% 30%, #fef3c7, var(--warm) 60%, #b45309);
  box-shadow: 0 0 14px rgba(253, 230, 138, 0.7);
}
.hdr-name {
  font-size: 16px;
}
.hdr-sub {
  font-size: 13px;
  color: var(--muted);
  font-family: var(--font);
}

/* ----- Hero ----- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  margin: 8px 0 32px;
  padding-bottom: 8px;
}
.hero--compact {
  gap: 18px;
}
.hero-title {
  font-family: var(--font);
  font-size: 52px;
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0;
  max-width: 560px;
  text-wrap: balance;
}
.hero-title span {
  color: var(--accent);
  font-weight: 500;
}
@media (max-width: 560px) {
  .hero-title { font-size: 38px; }
}

.globe-wrap {
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1;
  position: relative;
  margin: 0 auto;
}

.globe-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  contain: layout paint size;
  opacity: 0;
  transition: opacity 1.4s ease;
}

.hero-eq {
  margin-top: 0;
  padding: 14px 18px;
  background: rgba(20, 20, 30, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  width: 100%;
}
.hero-eq-line {
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--fg-2);
  font-weight: 400;
  line-height: 1.5;
  text-wrap: pretty;
}
.hero-eq-cap {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
  font-family: var(--font);
}
.hero-eq-cap b {
  color: var(--fg);
  font-weight: 500;
}
.var {
  font-family: var(--font);
  font-weight: 500;
  color: var(--fg);
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}
.var--hi {
  color: var(--bg);
  background: var(--warm);
  border-color: transparent;
  box-shadow: 0 0 24px rgba(253, 230, 138, 0.35);
}

/* ----- Cards ----- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 18px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.card-head h2 {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.card-head p {
  margin: 6px 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  text-wrap: pretty;
}
.card-head b {
  color: var(--fg-2);
  font-weight: 500;
}

/* ----- Phase selector ----- */
.phase {
  margin-bottom: 18px;
}
.phase-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.phase-label > span:first-child {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}
.phase-hint {
  font-size: 12px;
  color: var(--muted);
  font-style: italic;
}
.phase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.phase-opt {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: var(--fg);
  transition: all 0.18s ease;
  position: relative;
  overflow: hidden;
}
.phase-opt:hover {
  background: rgba(255, 255, 255, 0.045);
  border-color: var(--line-2);
}
.phase-opt--active {
  background: linear-gradient(180deg, rgba(167, 139, 250, 0.18), rgba(167, 139, 250, 0.05));
  border-color: rgba(167, 139, 250, 0.5);
  box-shadow: 0 0 32px rgba(167, 139, 250, 0.12) inset;
}
.phase-opt-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.phase-opt-head {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}
.phase-opt-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.phase-opt-short {
  font: 500 11px var(--font);
  color: var(--muted);
  margin-top: 2px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.phase-opt--active .phase-opt-short { color: var(--accent); }
.phase-opt-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}
.phase-opt-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 6px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  gap: 8px;
}
.phase-opt-formula {
  font: 500 12px var(--font);
  color: var(--fg-2);
  white-space: nowrap;
}
.phase-opt--active .phase-opt-formula {
  color: var(--accent);
}
.phase-opt-volts {
  font: 500 11px var(--font);
  color: var(--muted);
  white-space: nowrap;
}
/* Animated 'wire' indicators */
.phase-wires {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex-shrink: 0;
}
.phase-wire {
  display: block;
  width: 28px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--muted), transparent);
  background-size: 200% 100%;
  background-position: 100% 0;
  opacity: 0.6;
}
.phase-opt--active .phase-wire {
  background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
  background-size: 200% 100%;
  opacity: 1;
  animation: wire-flow 1.6s linear infinite;
}
@keyframes wire-flow {
  0%   { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* Compact variant — used inside Solar card */
.phase--compact {
  margin-bottom: 14px;
}
.phase--compact .phase-row {
  gap: 8px;
}
.phase--compact .phase-opt {
  padding: 10px 12px;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.phase--compact .phase-opt-top {
  flex: 1;
}
.phase--compact .phase-opt-desc { display: none; }
.phase--compact .phase-opt-meta {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
  font-size: 11px;
}
.phase--compact .phase-opt--active {
  background: linear-gradient(180deg, rgba(253, 230, 138, 0.14), rgba(253, 230, 138, 0.04));
  border-color: rgba(253, 230, 138, 0.4);
}
.phase--compact .phase-opt--active .phase-opt-short,
.phase--compact .phase-opt--active .phase-opt-formula {
  color: var(--warm);
}
.phase--compact .phase-opt--active .phase-wire {
  background: linear-gradient(90deg, transparent 0%, var(--warm) 50%, transparent 100%);
  background-size: 200% 100%;
}

@media (max-width: 480px) {
  .phase-opt { padding: 12px; }
  .phase-opt-name { font-size: 13px; }
  .phase-wires { display: none; }
}

.var--mul {
  background: rgba(167, 139, 250, 0.15);
  border-color: rgba(167, 139, 250, 0.4);
  color: var(--accent);
}

/* ----- Mode segmented ----- */
.seg {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 20px;
  padding: 6px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.seg-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 12px 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.18s ease;
  font: inherit;
  min-height: 56px;
}
.seg-btn em {
  font-style: normal;
  font-family: var(--font);
  font-weight: 500;
  font-size: 14px;
  color: var(--fg-2);
}
.seg-btn span {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.seg-btn:hover {
  color: var(--fg);
  background: rgba(255, 255, 255, 0.03);
}
.seg-btn--active {
  background: rgba(167, 139, 250, 0.12);
  border-color: rgba(167, 139, 250, 0.4);
  box-shadow: 0 0 24px rgba(167, 139, 250, 0.15) inset;
}
.seg-btn--active em,
.seg-btn--active span {
  color: var(--fg);
}

/* ----- Grids of fields ----- */
.grid {
  display: grid;
  gap: 12px;
}
.grid--core {
  grid-template-columns: repeat(3, 1fr);
}
.grid--time {
  grid-template-columns: 1fr 1fr;
}
.grid--ev {
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}
@media (max-width: 640px) {
  .grid--core { grid-template-columns: 1fr; }
  .grid--time { grid-template-columns: 1fr; }
  .grid--ev { grid-template-columns: 1fr; }
}

/* ----- Field ----- */
.field {
  display: flex;
  flex-direction: column;
  padding: 14px 14px 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease, background 0.15s ease;
  position: relative;
}
.field:focus-within {
  border-color: rgba(167, 139, 250, 0.5);
  background: rgba(167, 139, 250, 0.04);
}
.field--locked {
  background: rgba(255, 255, 255, 0.025);
  border-style: dashed;
}
.field--accent {
  background: linear-gradient(180deg, rgba(253, 230, 138, 0.06), rgba(253, 230, 138, 0.02));
  border-color: rgba(253, 230, 138, 0.25);
}
.field--accent.field--locked {
  background: linear-gradient(180deg, rgba(253, 230, 138, 0.1), rgba(253, 230, 138, 0.02));
  border-color: rgba(253, 230, 138, 0.35);
  border-style: solid;
}
.field-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 4px;
}
.field-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-2);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.field-sub {
  font-size: 10px;
  color: var(--muted-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.field-body {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 2px;
}
.field-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--fg);
  font: 600 28px var(--font);
  letter-spacing: -0.02em;
  width: 100%;
  min-width: 0;
  padding: 0;
}
.field--locked .field-input {
  color: var(--warm);
  caret-color: transparent;
  pointer-events: none;
}
.field--accent .field-input {
  color: var(--warm);
}
.field-input::placeholder {
  color: var(--muted-2);
}
.field-unit {
  font: 500 14px var(--font);
  color: var(--muted);
  flex-shrink: 0;
}
.field-hint {
  margin-top: 8px;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
  text-wrap: pretty;
}

/* ----- Presets ----- */
.presets {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.presets-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.presets-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
@media (max-width: 640px) {
  .presets-row { grid-template-columns: repeat(2, 1fr); }
}
.preset {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  gap: 4px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--fg-2);
  cursor: pointer;
  transition: all 0.15s ease;
  font: inherit;
  min-width: 0;
}
.preset:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line-2);
}
.preset--active {
  background: rgba(167, 139, 250, 0.1);
  border-color: rgba(167, 139, 250, 0.4);
}
.preset-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.01em;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.preset-sub {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.preset-vals {
  font: 500 11px var(--font);
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  margin-top: 2px;
  white-space: nowrap;
}

/* ----- Results ----- */
.results {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 10px;
  margin-top: 18px;
}
@media (max-width: 640px) {
  .results { grid-template-columns: 1fr 1fr; }
  .res--big { grid-column: span 2; }
}
.res {
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}
.res-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.res-value {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.res-num {
  font: 600 30px var(--font);
  letter-spacing: -0.02em;
  color: var(--fg);
}
.res-unit {
  font: 500 13px var(--font);
  color: var(--muted);
}
.res-note {
  margin-top: 6px;
  font-size: 11px;
  color: var(--muted);
  font-family: var(--font);
}
.res--big .res-num { font-size: 38px; }
.res--primary {
  background: linear-gradient(180deg, rgba(167, 139, 250, 0.18), rgba(167, 139, 250, 0.05));
  border-color: rgba(167, 139, 250, 0.4);
}
.res--primary .res-num {
  color: #ddd6fe;
  text-shadow: 0 0 24px rgba(167, 139, 250, 0.35);
}
.res--ok .res-num {
  color: var(--ok);
}
.res--muted .res-num {
  color: var(--fg-2);
  font-size: 22px;
}

/* ----- EV out ----- */
.ev-out {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 18px;
  background: linear-gradient(180deg, rgba(103, 232, 249, 0.08), rgba(103, 232, 249, 0.02));
  border: 1px solid rgba(103, 232, 249, 0.25);
  border-radius: var(--radius-sm);
}
.ev-out-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.ev-out-value {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 4px;
}
.ev-out-value span {
  font: 600 44px var(--font);
  letter-spacing: -0.03em;
  color: #cffafe;
  text-shadow: 0 0 20px rgba(103, 232, 249, 0.3);
}
.ev-out-value small {
  font: 500 14px var(--font);
  color: var(--muted);
}
.ev-out-sub {
  margin-top: 8px;
  font-size: 12px;
  color: var(--fg-2);
  font-family: var(--font);
}

/* ----- Solar ----- */
.card--solar {
  background: linear-gradient(180deg, rgba(253, 230, 138, 0.04), rgba(20, 20, 30, 0.7));
  border-color: rgba(253, 230, 138, 0.18);
}
.card--solar h2 .sun {
  display: inline-block;
  color: var(--warm);
  margin-right: 6px;
  filter: drop-shadow(0 0 8px rgba(253, 230, 138, 0.6));
}
.grid--solar {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 640px) {
  .grid--solar { grid-template-columns: 1fr; }
}
.sv-presets {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.sv-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.sv-chip {
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--fg-2);
  font: 500 12px var(--font);
  cursor: pointer;
  transition: all 0.15s ease;
}
.sv-chip:hover { border-color: var(--line-2); color: var(--fg); }
.sv-chip--active {
  background: rgba(253, 230, 138, 0.12);
  border-color: rgba(253, 230, 138, 0.4);
  color: var(--warm);
}
.solar-day {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.solar-day-head {
  display: grid;
  grid-template-columns: 1fr 200px;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}
.solar-day-head > span {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
@media (max-width: 560px) {
  .solar-day-head { grid-template-columns: 1fr; }
}

/* ----- Cheat sheet ----- */
.card--cheat .card-head { margin-bottom: 4px; }
.cheat {
  display: flex;
  flex-direction: column;
}
.cheat-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  grid-template-areas:
    'term plain'
    '.    ex';
  gap: 4px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.cheat-row:last-child { border-bottom: none; }
.cheat-term {
  grid-area: term;
  font: 500 14px var(--font);
  color: var(--accent);
}
.cheat-plain {
  grid-area: plain;
  color: var(--fg);
  font-size: 14px;
  line-height: 1.5;
  text-wrap: pretty;
}
.cheat-ex {
  grid-area: ex;
  color: var(--muted);
  font-size: 12px;
  font-family: var(--font);
}
@media (max-width: 520px) {
  .cheat-row {
    grid-template-columns: 1fr;
    grid-template-areas:
      'term'
      'plain'
      'ex';
  }
  .cheat-ex { margin-top: 2px; }
}

/* ----- Country chip ----- */
.country-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 6px 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  border-radius: 99px;
  cursor: pointer;
  font: inherit;
  color: var(--fg);
  transition: all 0.15s ease;
}
.country-chip:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--line-2);
}
.country-chip-flag {
  font-size: 18px;
  line-height: 1;
}
.country-chip-name {
  font-size: 13px;
  font-weight: 500;
}
.country-chip-specs {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: 500 11px var(--font);
  color: var(--muted);
}
.country-chip-specs .dot {
  width: 2px;
  height: 2px;
  background: var(--muted);
  border-radius: 99px;
}
.country-chip-edit {
  font-size: 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-left: 4px;
  padding-left: 8px;
  border-left: 1px solid var(--line);
}
@media (max-width: 520px) {
  .country-chip-name { display: none; }
}

/* ----- Country picker modal ----- */
.cp-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 7, 11, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: cp-fade 0.2s ease;
}

/* Language selector inside the picker */
.cp-lang {
  padding: 0 22px 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}
.cp-lang-label {
  display: block;
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  font-weight: 500;
}
.cp-lang-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.cp-lang-chip {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 6px 10px;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--fg-2);
  cursor: pointer;
  font: inherit;
  transition: all 0.15s ease;
  min-width: 0;
  line-height: 1.2;
}
.cp-lang-chip:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line-2);
  color: var(--fg);
}
.cp-lang-chip--active {
  background: rgba(167, 139, 250, 0.15);
  border-color: rgba(167, 139, 250, 0.45);
  color: var(--accent);
}
.cp-lang-auto {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 1px;
}
.cp-lang-native {
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}
@keyframes cp-fade { from { opacity: 0; } }
.cp-sheet {
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 60px rgba(167, 139, 250, 0.15);
  overflow: hidden;
  animation: cp-rise 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes cp-rise {
  from { transform: translateY(16px); opacity: 0; }
}
.cp-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 20px 22px 14px;
  gap: 12px;
}
.cp-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.cp-sub {
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  text-wrap: pretty;
}
.cp-close {
  width: 32px;
  height: 32px;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}
.cp-close:hover { color: var(--fg); background: rgba(255, 255, 255, 0.05); }
.cp-search {
  padding: 0 22px 12px;
}
.cp-search input {
  width: 100%;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--fg);
  font: 400 14px var(--font);
  outline: none;
  transition: border-color 0.15s ease;
}
.cp-search input:focus { border-color: rgba(167, 139, 250, 0.5); }
.cp-search input::placeholder { color: var(--muted-2); }
.cp-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 12px 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-2) transparent;
}
.cp-list::-webkit-scrollbar { width: 8px; }
.cp-list::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 99px; }
.cp-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  color: var(--fg);
  text-align: left;
  transition: background 0.12s ease, border-color 0.12s ease;
  font: inherit;
}
.cp-row:hover {
  background: rgba(255, 255, 255, 0.04);
}
.cp-row--active {
  background: rgba(167, 139, 250, 0.1);
  border-color: rgba(167, 139, 250, 0.35);
}
.cp-flag { font-size: 22px; line-height: 1; flex-shrink: 0; }
.cp-name { flex: 1; font-size: 14px; font-weight: 500; }
.cp-specs {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 500 11px var(--font);
  color: var(--muted);
}
.cp-volt { color: var(--accent); }
.cp-curr { color: var(--warm); }
.cp-empty {
  padding: 24px 12px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

/* ----- Footer ----- */
.ftr {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font);
}
.ftr-credit {
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.02em;
  border-bottom: 1px dashed transparent;
  transition: border-color 0.15s ease;
}
.ftr-credit:hover { border-bottom-color: var(--accent); }
@media (max-width: 480px) {
  .ftr { flex-direction: column; gap: 6px; text-align: center; }
  .app { padding: calc(24px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) calc(60px + env(safe-area-inset-bottom)) calc(16px + env(safe-area-inset-left)); }
  .card { padding: 18px; }
  .hero-eq-line { font-size: 17px; }
  .res--big .res-num { font-size: 32px; }
  .ev-out-value span { font-size: 36px; }
}