/* =============================================
   BLAZER IMPORT — NEON STYLE
   Palette: Deep navy bg, magenta pink, cyan, green
   ============================================= */

:root {
  --bg:          #060d18;
  --bg-2:        #0a1628;
  --surface:     #0d1f35;
  --surface-2:   #112540;
  --border:      #1a3050;
  --border-2:    #1e3a5f;

  --pink:        #f02d8a;
  --pink-dim:    rgba(240, 45, 138, 0.15);
  --pink-glow:   rgba(240, 45, 138, 0.35);
  --pink-soft:   rgba(240, 45, 138, 0.08);

  --purple:      #9b30f0;
  --purple-dim:  rgba(155, 48, 240, 0.12);

  --cyan:        #00e5ff;
  --cyan-dim:    rgba(0, 229, 255, 0.12);
  --cyan-glow:   rgba(0, 229, 255, 0.3);
  --cyan-soft:   rgba(0, 229, 255, 0.07);

  --green:       #39ff6e;
  --green-dim:   rgba(57, 255, 110, 0.12);
  --green-glow:  rgba(57, 255, 110, 0.28);
  --green-soft:  rgba(57, 255, 110, 0.07);

  --text:        #e8f4ff;
  --text-muted:  #5a7a9a;
  --text-dim:    #2a4060;

  --mono:   'Rajdhani', sans-serif;
  --display:'Orbitron', sans-serif;

  --radius: 16px;
  --radius-sm: 10px;
  --t: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

.bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.18;
  animation: drift 12s ease-in-out infinite alternate;
}
.bg-glow--pink  { width: 600px; height: 600px; background: var(--pink);   top: -200px; left: -100px; animation-delay: 0s; }
.bg-glow--cyan  { width: 500px; height: 500px; background: var(--cyan);   bottom: -150px; right: -50px; animation-delay: 4s; }
.bg-glow--green { width: 400px; height: 400px; background: var(--green);  top: 50%; right: -100px; animation-delay: 8s; }

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, -20px) scale(1.08); }
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.04) 2px, rgba(0,0,0,0.04) 4px);
}

.neon-pink  { color: var(--pink);  text-shadow: 0 0 10px var(--pink-glow), 0 0 20px var(--pink-glow); }
.neon-cyan  { color: var(--cyan);  text-shadow: 0 0 10px var(--cyan-glow), 0 0 20px var(--cyan-glow); }
.neon-green { color: var(--green); text-shadow: 0 0 10px var(--green-glow), 0 0 20px var(--green-glow); }

/* HEADER */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 32px;
  background: rgba(6, 13, 24, 0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 0 rgba(240,45,138,0.15);
}

.logo-wrap { display: flex; align-items: center; }
.site-logo {
  height: 64px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(240,45,138,0.5));
  transition: filter var(--t);
}
.site-logo:hover {
  filter: drop-shadow(0 0 20px rgba(240,45,138,0.8)) drop-shadow(0 0 40px rgba(0,229,255,0.3));
}

.settings-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  color: var(--text-muted);
  font-family: var(--display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 10px 20px;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--t);
  text-transform: uppercase;
}
.settings-btn:hover {
  background: var(--surface-2);
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim), 0 0 16px var(--cyan-glow);
}

/* MAIN */
.main {
  flex: 1;
  padding: 48px 24px 80px;
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

/* HERO */
.hero { margin-bottom: 44px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--pink-soft);
  border: 1px solid var(--pink-dim);
  border-radius: 100px;
  padding: 6px 16px;
  font-family: var(--display);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 20px;
}
.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--pink);
  box-shadow: 0 0 8px var(--pink);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}
.hero-title em { font-style: normal; }

/* CALC */
.calc-container { display: flex; flex-direction: column; gap: 20px; }

/* INPUT PANEL */
.input-panel {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 28px 32px;
  position: relative;
  overflow: hidden;
}
.input-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--pink), var(--purple), var(--cyan));
  box-shadow: 0 0 12px var(--pink-glow);
}

.panel-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--display);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.label-icon { color: var(--pink); }

.input-group {
  display: flex;
  align-items: center;
  background: var(--bg-2);
  border: 1.5px solid var(--border-2);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--t);
}
.input-group:focus-within {
  border-color: var(--pink);
  box-shadow: 0 0 0 3px var(--pink-soft), 0 0 20px var(--pink-dim);
}

.currency-tag {
  padding: 16px 20px;
  font-family: var(--display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--pink);
  background: var(--pink-soft);
  border-right: 1px solid var(--border-2);
  white-space: nowrap;
  text-shadow: 0 0 8px var(--pink-glow);
}

.main-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 16px 20px;
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text);
  width: 100%;
  letter-spacing: 0.02em;
}
.main-input::placeholder { color: var(--text-dim); }
.main-input::-webkit-inner-spin-button,
.main-input::-webkit-outer-spin-button { -webkit-appearance: none; }

.input-error {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--pink);
  min-height: 18px;
}

/* RESULTS GRID */
.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  overflow: hidden;
  transition: var(--t);
}
.result-card:hover {
  transform: translateY(-2px);
  background: var(--surface-2);
}

.card-glow {
  position: absolute;
  top: -30px; right: -30px;
  width: 100px; height: 100px;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.5;
  pointer-events: none;
}
.card-glow--pink  { background: var(--pink); }
.card-glow--cyan  { background: var(--cyan); }
.card-glow--green { background: var(--green); }

.card-icon {
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 900;
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 2px;
}

.card-label {
  font-family: var(--display);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.3;
}

.card-value {
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
  transition: var(--t);
  line-height: 1.2;
}

.card-desc {
  font-size: 0.62rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.card--highlight {
  grid-column: span 2;
  background: var(--pink-soft);
  border-color: rgba(240,45,138,0.3);
}
.card--highlight .card-icon { color: var(--pink); opacity: 1; text-shadow: 0 0 12px var(--pink-glow); }
.card--highlight .card-value { font-size: 1.5rem; color: var(--pink); text-shadow: 0 0 10px var(--pink-glow); }

.card--cyan {
  background: var(--cyan-soft);
  border-color: rgba(0,229,255,0.25);
}
.card--cyan .card-icon { color: var(--cyan); opacity: 1; text-shadow: 0 0 12px var(--cyan-glow); }
.card--cyan .card-value { color: var(--cyan); text-shadow: 0 0 8px var(--cyan-glow); }

.card--green {
  background: var(--green-soft);
  border-color: rgba(57,255,110,0.22);
}
.card--green .card-icon { color: var(--green); opacity: 1; text-shadow: 0 0 12px var(--green-glow); }
.card--green .card-value { color: var(--green); text-shadow: 0 0 8px var(--green-glow); }

.result-card.updated .card-value {
  animation: neon-pop 0.3s ease;
}
@keyframes neon-pop {
  0%   { transform: scale(0.94); opacity: 0.4; }
  60%  { transform: scale(1.04); }
  100% { transform: scale(1);    opacity: 1; }
}

/* RATES BAR */
.rates-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 18px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.rate-chip {
  flex: 1;
  min-width: 100px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 2px 10px;
  border-right: 1px solid var(--border);
}
.rate-chip:last-child { border-right: none; }

.rate-name {
  font-family: var(--display);
  font-size: 0.56rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.rate-val {
  font-family: var(--display);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* MODAL */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 8, 18, 0.85);
  backdrop-filter: blur(12px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: 20px;
  width: 100%;
  max-width: 480px;
  overflow: hidden;
  transform: translateY(28px) scale(0.96);
  transition: transform 0.35s cubic-bezier(0.34, 1.46, 0.64, 1);
  box-shadow: 0 0 0 1px rgba(240,45,138,0.15), 0 40px 100px rgba(0,0,0,0.7), 0 0 60px rgba(240,45,138,0.1);
}
.modal-overlay.open .modal { transform: translateY(0) scale(1); }

.modal::before {
  content: '';
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--pink), var(--purple), var(--cyan), var(--green));
  box-shadow: 0 0 10px var(--pink-glow);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px 16px;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.modal-close {
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  color: var(--text-muted);
  width: 32px; height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--t);
}
.modal-close:hover {
  background: var(--pink-soft);
  border-color: var(--pink);
  color: var(--pink);
  box-shadow: 0 0 10px var(--pink-glow);
}

.modal-desc {
  padding: 14px 28px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.modal-body {
  padding: 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.cfg-group { display: flex; flex-direction: column; gap: 8px; }

.cfg-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
}
.cfg-unit {
  font-size: 0.62rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: none;
}

.cfg-input-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-2);
  border: 1.5px solid var(--border-2);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--t);
}
.cfg-input-wrap:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}

.cfg-prefix {
  padding: 11px 14px;
  font-family: var(--display);
  font-size: 0.85rem;
  font-weight: 700;
  background: rgba(0,229,255,0.06);
  border-right: 1px solid var(--border-2);
  user-select: none;
  letter-spacing: 0.04em;
}

.cfg-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 11px 16px;
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.04em;
}
.cfg-input::-webkit-inner-spin-button,
.cfg-input::-webkit-outer-spin-button { -webkit-appearance: none; }

.modal-footer {
  display: flex;
  gap: 10px;
  padding: 18px 28px 24px;
  border-top: 1px solid var(--border);
}

.btn-save {
  flex: 1;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 13px 20px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--t);
  box-shadow: 0 0 20px rgba(240,45,138,0.25);
}
.btn-save:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(240,45,138,0.5), 0 8px 24px rgba(0,0,0,0.4);
}

.btn-reset {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-sm);
  padding: 13px 18px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--t);
}
.btn-reset:hover {
  color: var(--text);
  background: var(--surface-2);
}

/* TOAST */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: linear-gradient(135deg, var(--green), #00c854);
  color: #021a0a;
  font-family: var(--display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 12px 28px;
  border-radius: 100px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 300;
  box-shadow: 0 0 24px var(--green-glow);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 20px;
  font-family: var(--display);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .header { padding: 10px 16px; }
  .site-logo { height: 52px; }
  .settings-btn span { display: none; }
  .settings-btn { padding: 10px 14px; }
  .main { padding: 28px 16px 60px; }
  .input-panel { padding: 20px 18px; }
  .results-grid { grid-template-columns: 1fr 1fr; }
  .card--highlight { grid-column: span 2; }
  .rates-bar { padding: 14px 16px; }
  .rate-chip { border-right: none; min-width: 80px; }
  .modal-body, .modal-header, .modal-footer, .modal-desc { padding-left: 20px; padding-right: 20px; }
}

@media (max-width: 480px) {
  .results-grid { grid-template-columns: 1fr; }
  .card--highlight { grid-column: span 1; }
  .card--highlight .card-value { font-size: 1.3rem; }
}