@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Mono:ital,wght@0,400;0,500;1,400&display=swap');

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

:root {
  --bg:         #09090f;
  --surface:    #111117;
  --surface-2:  #18181f;
  --border:     #23232e;
  --border-hi:  #2e2e3c;
  --accent:     #c8ff57;
  --accent-dim: rgba(200,255,87,.08);
  --text:       #ededf0;
  --text-dim:   #6b6b7e;
  --text-muted: #54546e;
  --error:      #ff5e6d;
  --error-dim:  rgba(255,94,109,.08);
  --radius:     14px;
  --radius-sm:  10px;
  --radius-xs:  7px;
  --shadow-card: 0 0 0 1px rgba(255,255,255,.03) inset, 0 20px 48px rgba(9,9,15,.55);
  --shadow-modal: 0 24px 64px rgba(9,9,15,.85), 0 0 0 1px rgba(255,255,255,.04) inset;
}

html { scroll-behavior: smooth; }

input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; }
input[type=number] { -moz-appearance: textfield; }

body {
  font-family: 'Syne', sans-serif;
  background: var(--bg);
  background-image: radial-gradient(ellipse 70% 38% at 50% 0%, rgba(200,255,87,.055) 0%, transparent 70%);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
}

/* Grain overlay — breaks digital flatness */
body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 5;
  opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Card ── */
.card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 22px;
  box-shadow: var(--shadow-card);
  position: relative; z-index: 10;
}

/* ── Header ── */
.header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.icon-wrap {
  width: 44px; height: 44px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.icon-wrap svg { width: 20px; height: 20px; fill: #09090f; }

.header-text h1 {
  font-size: 1.1rem; font-weight: 800;
  letter-spacing: -.03em; color: var(--text); line-height: 1;
}
.header-text p {
  font-size: .7rem; color: var(--text-dim);
  margin-top: 4px; font-weight: 400; letter-spacing: .02em;
}

#btn-limba {
  margin-left: auto; flex-shrink: 0;
  padding: 6px 11px;
  background: transparent;
  border: 1px solid var(--border-hi);
  border-radius: var(--radius-xs);
  color: var(--text-dim);
  font-family: 'Syne', sans-serif;
  font-size: .68rem; font-weight: 700; letter-spacing: .08em;
  cursor: pointer;
  transition: border-color .15s, color .15s;
  width: auto; margin-top: 0;
}
#btn-limba:hover { border-color: var(--accent); color: var(--accent); }

/* ── Tabs ── */
.tabs {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: 18px;
}
.tab {
  padding: 8px 4px;
  background: transparent; border: none;
  border-radius: var(--radius-xs);
  color: var(--text-dim);
  font-family: 'Syne', sans-serif;
  font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.tab.active {
  background: var(--surface);
  color: var(--accent);
  box-shadow: 0 1px 4px rgba(9,9,15,.75);
}
.tab:not(.active):hover { color: var(--text); }
.tab:active { opacity: .75; }

/* ── Panel ── */
.panel { }

/* ── Profile row ── */
.profile-row {
  display: flex; gap: 6px;
  margin-bottom: 14px;
}
.profile-row select {
  flex: 1;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text-dim);
  font-family: 'Syne', sans-serif;
  font-size: .74rem; font-weight: 600;
  padding: 8px 10px;
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color .15s;
}
.profile-row select:focus { border-color: var(--accent); }
.profile-row select option { background: var(--surface-2); }

.icon-btn {
  width: 34px; height: 34px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text-dim);
  font-size: 1.1rem; line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color .15s, color .15s, transform .1s;
  flex-shrink: 0;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.icon-btn:active { transform: scale(0.91); }
#btn-del-profile:hover { border-color: var(--error); color: var(--error); }

/* Sync icon spins on hover */
.sync-btn svg { width: 15px; height: 15px; display: block; transition: transform .4s ease; }
.sync-btn:hover svg { transform: rotate(180deg); }

/* ── Fields ── */
.fields { display: flex; flex-direction: column; gap: 10px; }

.field-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px;
}

.field > label,
.field-header > label:first-child {
  display: block;
  font-size: .66rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .09em;
  color: var(--text-dim);
}

/* ── Inline checkbox ── */
.inline-check {
  display: flex; align-items: center; gap: 5px;
  cursor: pointer; user-select: none;
}
.inline-check input[type=checkbox] {
  width: 14px; height: 14px;
  accent-color: var(--accent);
  cursor: pointer;
}
.inline-check span {
  font-size: .64rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--text-dim);
}

/* ── Segmented control ── */
.seg-ctrl {
  display: flex; gap: 2px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px;
}
.seg {
  padding: 3px 7px;
  background: transparent; border: none;
  border-radius: 4px;
  color: var(--text-muted);
  font-family: 'Syne', sans-serif;
  font-size: .62rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  cursor: pointer;
  transition: background .12s, color .12s;
}
.seg.active {
  background: var(--accent);
  color: #09090f;
}
.seg:not(.active):hover { color: var(--text); }

/* ── Input ── */
.input-wrap { position: relative; }
.input-wrap input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 12px 52px 12px 13px;
  font-family: 'DM Mono', monospace;
  font-size: .98rem; font-weight: 400;
  color: var(--text); outline: none;
  transition: border-color .18s, box-shadow .18s;
}
.input-wrap input::placeholder { color: var(--text-muted); font-style: italic; }
.input-wrap input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.unit {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font-size: .64rem; font-weight: 700; color: var(--text-dim);
  pointer-events: none; letter-spacing: .06em; text-transform: uppercase;
}

/* field without field-header */
.field > label + .input-wrap { margin-top: 6px; }

/* ── Button row ── */
.btn-row {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: 8px; margin-top: 16px;
}

#btn-reset {
  padding: 13px 8px;
  background: transparent;
  border: 1px solid var(--border-hi);
  border-radius: var(--radius-xs);
  color: var(--text-dim);
  font-family: 'Syne', sans-serif;
  font-size: .82rem; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase;
  cursor: pointer;
  transition: border-color .15s, color .15s, transform .1s;
}
#btn-reset:hover { border-color: var(--error); color: var(--error); }
#btn-reset:active { transform: scale(0.97); }

#btn-calculeaza {
  padding: 13px;
  background: var(--accent); color: #09090f;
  border: none; border-radius: var(--radius-xs);
  font-family: 'Syne', sans-serif;
  font-size: .88rem; font-weight: 800;
  letter-spacing: .04em; text-transform: uppercase;
  cursor: pointer;
  transition: opacity .15s, transform .12s, box-shadow .15s;
  box-shadow: 0 4px 16px rgba(200,255,87,.18);
}
#btn-calculeaza:hover:not(:disabled) { opacity: .9; transform: translateY(-1px); box-shadow: 0 6px 24px rgba(200,255,87,.26); }
#btn-calculeaza:active:not(:disabled) { transform: scale(0.97); box-shadow: 0 2px 8px rgba(200,255,87,.12); }
#btn-calculeaza:disabled {
  background: var(--border-hi); color: var(--text-dim);
  cursor: not-allowed; transform: none; box-shadow: none;
}

/* ── Divider ── */
.divider { height: 1px; background: var(--border); margin: 20px 0; }

/* ── Result ── */
#rezultat.eroare {
  font-size: .8rem; color: var(--error);
  background: var(--error-dim);
  border: 1px solid rgba(255,94,109,.18);
  border-radius: var(--radius-xs);
  padding: 11px 13px; font-weight: 600;
}

.result-grid {
  display: grid; gap: 8px;
  animation: fadeUp .26s ease forwards;
}
.result-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.result-grid.cols-3 { grid-template-columns: repeat(3,1fr); }
.result-grid.cols-4 { grid-template-columns: 1fr 1fr; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.result-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 14px 12px;
  cursor: pointer;
  transition: border-color .15s, transform .1s, background .15s;
}
.result-card:hover { border-color: var(--border-hi); background: rgba(30,30,38,.9); }
.result-card:active { border-color: var(--accent); transform: scale(0.97); }

.r-label {
  font-size: .6rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .09em;
  color: var(--text-dim); margin-bottom: 8px;
}
.r-value {
  font-family: 'DM Mono', monospace;
  font-size: 1.45rem; font-weight: 500;
  color: var(--accent); line-height: 1; letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.r-unit {
  font-size: .62rem; font-weight: 600;
  color: var(--text-dim); margin-top: 5px;
  letter-spacing: .05em; text-transform: uppercase;
}

/* smaller values for 3-col layout */
.cols-3 .r-value { font-size: 1.2rem; }

/* ── Share row ── */
.share-row {
  margin-top: 12px;
  display: flex; justify-content: flex-end;
}
#btn-share {
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--border-hi);
  border-radius: var(--radius-xs);
  color: var(--text-dim);
  font-family: 'Syne', sans-serif;
  font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  cursor: pointer;
  transition: border-color .15s, color .15s, transform .1s;
}
#btn-share:hover { border-color: var(--accent); color: var(--accent); }
#btn-share:active { transform: scale(0.96); }

/* ── History ── */
.no-history {
  font-size: .8rem; color: var(--text-muted);
  text-align: center; padding: 24px 0;
}
.hist-item {
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
}
.hist-item:last-of-type { border-bottom: none; }
.hist-date {
  font-size: .64rem; color: var(--text-muted);
  font-weight: 600; letter-spacing: .04em;
  text-transform: uppercase; margin-bottom: 5px;
}
.hist-vals {
  display: flex; flex-wrap: wrap; gap: 8px;
  font-family: 'DM Mono', monospace;
  font-size: .78rem; color: var(--text-dim);
}
.hist-cost { color: var(--accent); font-weight: 500; }

#btn-clear-history {
  width: 100%; margin-top: 14px; padding: 10px;
  background: transparent;
  border: 1px solid var(--border-hi);
  border-radius: var(--radius-xs);
  color: var(--text-muted);
  font-family: 'Syne', sans-serif;
  font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  cursor: pointer;
  transition: border-color .15s, color .15s, transform .1s;
}
#btn-clear-history:hover { border-color: var(--error); color: var(--error); }
#btn-clear-history:active { transform: scale(0.98); }

/* ── Toast ── */
#toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(12px);
  background: var(--surface-2); border: 1px solid var(--border-hi);
  border-radius: var(--radius-xs);
  color: var(--text); font-family: 'Syne', sans-serif;
  font-size: .78rem; font-weight: 600;
  padding: 9px 18px;
  opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s;
  white-space: nowrap; z-index: 100;
  box-shadow: 0 8px 24px rgba(9,9,15,.65);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Range panel ── */
#panel-range .fields { margin-bottom: 0; }

/* ── Fuel type selector ── */
.fuel-type-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.fuel-btn {
  padding: 11px 4px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text-dim);
  font-family: 'Syne', sans-serif;
  font-size: .78rem; font-weight: 700; letter-spacing: .04em;
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s, transform .1s, box-shadow .15s;
  text-align: center;
}
.fuel-btn:not(.active):hover {
  border-color: var(--border-hi);
  color: var(--text);
}
.fuel-btn:active { transform: scale(0.93); }
.fuel-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 12px rgba(200,255,87,.09);
}

/* ── Fuel price disclaimer ── */
.fuel-disclaimer {
  font-size: .58rem;
  color: var(--text-muted);
  font-family: 'DM Mono', monospace;
  letter-spacing: .02em;
  margin-top: 7px;
  line-height: 1.4;
}

/* ── Install (Add to Home Screen) button ── */
.install-btn {
  width: 100%;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-bottom: 16px;
  padding: 10px 14px;
  background: var(--accent-dim);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-family: 'Syne', sans-serif;
  font-size: .76rem; font-weight: 700; letter-spacing: .04em;
  cursor: pointer;
  transition: border-color .18s, background .18s, transform .1s;
}
.install-btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.install-btn:hover  { border-color: var(--accent); background: rgba(200,255,87,.12); }
.install-btn:active { transform: scale(0.98); }

/* ── Install guide steps ── */
.install-steps {
  margin: 4px 0 0; padding: 0;
  list-style: none;
  counter-reset: step;
}
.install-steps li {
  position: relative;
  padding: 10px 0 10px 38px;
  font-size: .76rem; font-weight: 500; line-height: 1.45;
  color: var(--text);
  border-top: 1px solid var(--border);
  counter-increment: step;
}
.install-steps li:first-child { border-top: none; }
.install-steps li::before {
  content: counter(step);
  position: absolute; left: 0; top: 9px;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: #09090f;
  border-radius: 50%;
  font-family: 'DM Mono', monospace;
  font-size: .72rem; font-weight: 500;
}

/* ── Price freshness badge ── */
.price-freshness {
  font-size: .6rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
  color: var(--text-muted);
  font-family: 'DM Mono', monospace;
  transition: color .2s, opacity .2s;
  cursor: pointer;
  user-select: none;
}
.price-freshness:hover  { opacity: .7; }
.price-freshness:active { opacity: .45; }
.price-freshness.live    { color: var(--accent); }
.price-freshness.loading { color: var(--text-muted); animation: blink 1.2s step-start infinite; cursor: default; }

@keyframes blink { 50% { opacity: .3; } }


/* ── Focus visible (accessibility) ── */
button:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── Sync button ── */

/* ── Sync status bar ── */
.sync-status-bar {
  font-size: .62rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
  padding: 5px 10px; border-radius: var(--radius-xs);
  margin-bottom: 10px; text-align: center;
}
.sync-status-bar.connecting { background: rgba(200,200,87,.08); color: #c8c857; }
.sync-status-bar.connected  { background: var(--accent-dim); color: var(--accent); }
.sync-status-bar.offline    { background: var(--error-dim); color: var(--error); }

/* ── Modal overlay ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,.7);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}

.modal-box {
  background: var(--surface);
  border: 1px solid var(--border-hi);
  border-radius: var(--radius);
  padding: 22px 20px;
  width: 100%; max-width: 360px;
  animation: fadeUp .22s ease forwards;
  box-shadow: var(--shadow-modal);
}

.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.modal-header span {
  font-size: .95rem; font-weight: 800; letter-spacing: -.02em; color: var(--text);
}
.modal-close {
  width: 28px; height: 28px;
  background: transparent; border: 1px solid var(--border-hi);
  border-radius: var(--radius-xs);
  color: var(--text-dim); font-size: 1rem; line-height: 1;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: border-color .15s, color .15s;
}
.modal-close:hover { border-color: var(--error); color: var(--error); }

.modal-desc {
  font-size: .72rem; color: var(--text-dim); font-weight: 600;
  letter-spacing: .01em; margin-bottom: 10px;
}

.modal-divider { height: 1px; background: var(--border); margin: 18px 0; }

/* ── Sync code display ── */
.sync-code-row {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-xs); padding: 10px 14px;
}
.sync-code {
  flex: 1;
  font-family: 'DM Mono', monospace;
  font-size: 1.6rem; font-weight: 500; letter-spacing: .15em;
  color: var(--accent);
}
.sync-code-row button {
  padding: 6px 12px;
  background: transparent; border: 1px solid var(--border-hi);
  border-radius: var(--radius-xs);
  color: var(--text-dim);
  font-family: 'Syne', sans-serif;
  font-size: .68rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  cursor: pointer; transition: border-color .15s, color .15s; flex-shrink: 0;
}
.sync-code-row button:hover { border-color: var(--accent); color: var(--accent); }

/* ── Sync input row ── */
.sync-input-row {
  display: flex; gap: 8px;
}
.sync-input-row input {
  flex: 1;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 11px 13px;
  font-family: 'DM Mono', monospace;
  font-size: 1.1rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
  color: var(--text); outline: none;
  transition: border-color .18s, box-shadow .18s;
}
.sync-input-row input:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim);
}
.sync-input-row input::placeholder { color: var(--text-muted); letter-spacing: .08em; text-transform: uppercase; }
.sync-input-row button {
  padding: 11px 16px;
  background: var(--accent); color: #09090f;
  border: none; border-radius: var(--radius-xs);
  font-family: 'Syne', sans-serif;
  font-size: .8rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase;
  cursor: pointer; transition: opacity .15s; flex-shrink: 0;
}
.sync-input-row button:hover { opacity: .88; }
.sync-input-row button:active { transform: scale(0.97); }

/* ── Sync feedback ── */
.sync-feedback {
  font-size: .72rem; font-weight: 600; margin-top: 10px; min-height: 18px;
}
.sync-feedback.ok    { color: var(--accent); }
.sync-feedback.error { color: var(--error); }