/* ====================================================
   SISTEMA PIX — Light Enterprise Theme
   pix.luispaulo.org
==================================================== */

/* ── TOKENS ────────────────────────────────────── */
:root {
  --primary:      #00AFA6;
  --primary-lt:   #00D4C9;
  --primary-dk:   #008880;
  --primary-dim:  rgba(0,175,166,.10);
  --primary-glow: rgba(0,175,166,.20);

  --body-bg:      #EEF3F8;
  --panel-bg:     #FFFFFF;
  --panel-bg2:    #F4F8FB;
  --panel-border: #D8E4EE;

  --header-bg:    #FFFFFF;
  --header-shadow: 0 1px 0 #D8E4EE, 0 2px 12px rgba(0,0,0,.06);

  --text:         #172330;
  --text-dim:     #5B7485;
  --text-muted:   #9BB5C4;

  --accent:       #14F5A1;
  --success:      #00C77A;
  --warning:      #F59E0B;
  --danger:       #EF4444;

  --radius:       10px;
  --shadow:       0 1px 4px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.08);
  --shadow-md:    0 4px 24px rgba(0,0,0,.10);
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--body-bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── NAV ────────────────────────────────────────── */
.nav {
  background: var(--header-bg);
  box-shadow: var(--header-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: .65rem;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo {
  width: 34px; height: 34px;
  background: var(--primary);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 900;
  color: #fff;
  letter-spacing: -1px;
}

.nav-brand-text {
  display: flex; flex-direction: column; line-height: 1;
}
.nav-brand-title {
  font-size: .75rem; font-weight: 700; letter-spacing: 2px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
}
.nav-brand-sub {
  font-size: .6rem; color: var(--text-dim);
  letter-spacing: 1px;
  font-family: 'JetBrains Mono', monospace;
  margin-top: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
  margin-left: auto;
}

.nav-links a {
  display: flex; align-items: center; gap: .35rem;
  padding: .45rem .85rem;
  border-radius: 7px;
  font-size: .82rem; font-weight: 500;
  color: var(--text-dim);
  text-decoration: none;
  transition: background .15s, color .15s;
  white-space: nowrap;
}
.nav-links a:hover { background: var(--body-bg); color: var(--text); }
.nav-links a.active {
  background: var(--primary-dim);
  color: var(--primary-dk);
  font-weight: 600;
}

.nav-status {
  display: flex; align-items: center; gap: .5rem;
  margin-left: .5rem;
  padding-left: .75rem;
  border-left: 1px solid var(--panel-border);
  flex-shrink: 0;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
  animation: pulse-dot 2.5s ease-in-out infinite;
}
@keyframes pulse-dot { 0%,100%{opacity:1} 50%{opacity:.35} }
.status-txt {
  font-size: .62rem; font-weight: 700; letter-spacing: 2px;
  color: var(--success);
  font-family: 'JetBrains Mono', monospace;
}

/* hamburger */
.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1.5px solid var(--panel-border);
  border-radius: 6px;
  width: 36px; height: 36px;
  cursor: pointer;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 4px;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 2px;
  background: var(--text-dim);
  border-radius: 2px;
  transition: all .2s;
}

/* ── PAGE HERO ──────────────────────────────────── */
.page-hero {
  background: var(--panel-bg);
  border-bottom: 1px solid var(--panel-border);
  padding: 1.25rem 1.5rem;
}
.page-hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.page-hero-left {}
.page-breadcrumb {
  display: flex; align-items: center; gap: .4rem;
  font-size: .72rem;
  color: var(--text-dim);
  margin-bottom: .3rem;
}
.breadcrumb-sep { opacity: .4; }
.page-title {
  font-size: 1.35rem; font-weight: 700;
  color: var(--text);
  letter-spacing: -.3px;
}
.page-subtitle {
  font-size: .85rem; color: var(--text-dim); margin-top: .15rem;
}
.page-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: var(--primary-dim);
  color: var(--primary-dk);
  border: 1px solid rgba(0,175,166,.2);
  border-radius: 20px;
  padding: .35rem .9rem;
  font-size: .72rem; font-weight: 600; letter-spacing: .5px;
  flex-shrink: 0;
}

/* ── MAIN LAYOUT ────────────────────────────────── */
.main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
  flex: 1;
  align-items: start;
}

/* ── PANEL ──────────────────────────────────────── */
.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--panel-border);
  background: var(--panel-bg2);
}

.panel-icon { font-size: 1.3rem; line-height: 1; margin-top: 2px; }

.panel-title {
  font-size: .65rem; font-weight: 700; letter-spacing: 3px;
  color: var(--primary-dk);
  font-family: 'JetBrains Mono', monospace;
}
.panel-sub {
  font-size: .8rem; color: var(--text-dim); margin-top: 2px;
}

.panel-body { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; gap: 1.2rem; }

/* ── FIELD ──────────────────────────────────────── */
.field-group { display: flex; flex-direction: column; gap: .4rem; }

.field-label {
  font-size: .62rem; font-weight: 700; letter-spacing: 2px;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}

.optional { font-weight: 400; opacity: .5; letter-spacing: 0; }

.field-input {
  border: 1.5px solid var(--panel-border);
  border-radius: 7px;
  padding: .7rem .9rem;
  font-size: .95rem;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: var(--panel-bg);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  width: 100%;
}
.field-input::placeholder { color: var(--text-muted); }
.field-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
}

.field-hint { font-size: .72rem; color: var(--text-dim); }
.char-counter { text-align: right; }

/* Currency */
.input-currency {
  display: flex; align-items: center;
  border: 1.5px solid var(--panel-border);
  border-radius: 7px;
  background: var(--panel-bg);
  transition: border-color .2s, box-shadow .2s;
}
.input-currency:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
}
.currency-prefix {
  padding: 0 .75rem;
  font-weight: 700; font-size: .9rem;
  color: var(--primary-dk);
  border-right: 1px solid var(--panel-border);
  white-space: nowrap;
}
.currency-input {
  border: none; background: transparent;
  box-shadow: none;
  padding: .7rem .9rem;
  font-size: 1.2rem; font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text);
  flex: 1;
  outline: none;
}
.currency-input::placeholder { color: var(--text-muted); }

/* Quick amounts */
.quick-amounts {
  display: flex; flex-wrap: wrap; gap: .4rem;
  margin-top: .3rem;
}
.quick-btn {
  padding: .3rem .7rem;
  border: 1.5px solid var(--panel-border);
  border-radius: 20px;
  background: var(--panel-bg2);
  color: var(--text-dim);
  font-size: .72rem; font-weight: 600;
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.quick-btn:hover {
  border-color: var(--primary);
  color: var(--primary-dk);
  background: var(--primary-dim);
}

/* ── BANK GRID 3×3 ──────────────────────────────── */
.bank-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .5rem;
}

.bank-card {
  position: relative;
  border: 1.5px solid var(--panel-border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color .2s, transform .15s, box-shadow .2s;
  background: var(--panel-bg2);
  overflow: hidden;
}
.bank-card input[type=radio] { display: none; }

.bank-card-inner {
  padding: .6rem .7rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.bank-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bc, var(--primary));
  flex-shrink: 0;
}
.bank-name {
  font-size: .78rem; font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bank-check {
  position: absolute; top: .35rem; right: .35rem;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--bc, var(--primary));
  color: #fff; font-size: .55rem; font-weight: 700;
  display: none;
  align-items: center; justify-content: center;
}

.bank-card:hover { transform: translateY(-1px); box-shadow: 0 3px 12px rgba(0,0,0,.08); }

.bank-card:has(input:checked) {
  border-color: var(--bc, var(--primary));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--bc, var(--primary)) 30%, transparent);
  background: color-mix(in srgb, var(--bc, var(--primary)) 7%, white);
}
.bank-card:has(input:checked) .bank-check { display: flex; }
.bank-card:has(input:checked) .bank-name { color: var(--bc, var(--primary)); }

/* ── BOTÃO GERAR ────────────────────────────────── */
.btn-gerar {
  display: flex; align-items: center; justify-content: center; gap: .6rem;
  padding: .9rem;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: .9rem; font-weight: 700; letter-spacing: 1.5px;
  cursor: pointer;
  transition: background .2s, transform .15s, box-shadow .2s;
  margin-top: auto;
}
.btn-gerar:hover {
  background: var(--primary-dk);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}
.btn-gerar:active { transform: translateY(0); }
.btn-gerar:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }

.btn-icon { font-size: 1.1rem; }
.btn-loader { animation: spin .7s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── FEATURES STRIP ─────────────────────────────── */
.features-strip {
  background: var(--primary);
  margin: 0;
  padding: .75rem 1.5rem;
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.feature-card {
  display: flex; align-items: center; gap: .65rem;
}
.feature-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}
.feature-label {
  font-size: .75rem; font-weight: 700;
  color: #fff;
  letter-spacing: .3px;
}
.feature-desc {
  font-size: .68rem; color: rgba(255,255,255,.75);
  margin-top: 1px;
}

/* ── QR AREA ────────────────────────────────────── */
.qr-area {
  display: flex; flex-direction: column; align-items: center; gap: .8rem;
}

.qr-frame {
  position: relative;
  width: 200px; height: 200px;
  border: 2px solid var(--primary);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 6px var(--primary-dim);
}
.qr-img { width: 100%; height: 100%; object-fit: contain; }

.qr-logo {
  position: absolute; bottom: 5px; right: 7px;
  font-size: .52rem; font-weight: 900; letter-spacing: 2px;
  color: var(--primary); opacity: .5;
  font-family: 'JetBrains Mono', monospace;
}

.qr-actions { display: flex; gap: .6rem; }

.btn-sm {
  padding: .45rem .9rem;
  border: 1.5px solid var(--panel-border);
  border-radius: 6px;
  background: transparent;
  color: var(--primary-dk);
  font-size: .75rem; font-weight: 600; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.btn-sm:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── PIX DATA ───────────────────────────────────── */
.pix-data {
  background: var(--panel-bg2);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  overflow: hidden;
}
.pix-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: .55rem .9rem;
  border-bottom: 1px solid var(--panel-border);
  gap: 1rem;
}
.pix-row:last-child { border-bottom: none; }

.pix-label {
  font-size: .6rem; font-weight: 700; letter-spacing: 2px;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  flex-shrink: 0;
}
.pix-val {
  font-size: .85rem; font-weight: 500; color: var(--text);
  text-align: right;
}
.pix-val.valor-dest { font-size: 1.1rem; font-weight: 700; color: var(--primary-dk); }
.pix-val.mono { font-family: 'JetBrains Mono', monospace; font-size: .72rem; }
.pix-val.timer {
  font-family: 'JetBrains Mono', monospace;
  color: var(--warning);
  font-weight: 700;
}
.pix-val.timer.expirado { color: var(--danger); }

/* ── COPIA E COLA ───────────────────────────────── */
.copia-cola-area { display: flex; flex-direction: column; gap: .5rem; }

.cc-label {
  font-size: .6rem; font-weight: 700; letter-spacing: 2px;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}

.cc-box {
  display: flex;
  border: 1.5px solid var(--panel-border);
  border-radius: 7px;
  overflow: hidden;
}

.cc-text {
  flex: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: .65rem;
  padding: .6rem .75rem;
  border: none; outline: none;
  background: var(--panel-bg2);
  color: var(--text);
  resize: none;
  height: 72px;
  line-height: 1.6;
}

.btn-copy {
  padding: 0 1rem;
  background: var(--panel-bg2);
  border: none;
  border-left: 1px solid var(--panel-border);
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--primary-dk);
  transition: background .2s, color .2s;
}
.btn-copy:hover { background: var(--primary); color: #fff; }
.btn-copy.copied { background: var(--success); color: #fff; }

/* ── NOVA COBRANÇA ──────────────────────────────── */
.btn-nova {
  padding: .65rem;
  background: transparent;
  border: 1.5px dashed var(--panel-border);
  border-radius: 7px;
  color: var(--text-dim);
  font-size: .82rem; font-weight: 600; cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
  margin-top: auto;
}
.btn-nova:hover { border-color: var(--primary); color: var(--primary-dk); background: var(--primary-dim); }

/* ── PAGE CONTENT (como-pagar / segurança) ─────── */
.page-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
  flex: 1;
}

/* Steps 2×2 */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.step-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.step-number {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--primary-dim);
  color: var(--primary-dk);
  font-size: 1.2rem; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  border: 1.5px solid rgba(0,175,166,.2);
}
.step-content {}
.step-title { font-size: .9rem; font-weight: 700; color: var(--text); margin-bottom: .25rem; }
.step-desc { font-size: .82rem; color: var(--text-dim); line-height: 1.55; }

/* Info box */
.info-box {
  background: var(--primary-dim);
  border: 1px solid rgba(0,175,166,.25);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}
.info-box-icon { font-size: 1.3rem; flex-shrink: 0; }
.info-box-title { font-size: .85rem; font-weight: 700; color: var(--primary-dk); margin-bottom: .25rem; }
.info-box-text { font-size: .82rem; color: var(--text-dim); line-height: 1.55; }

/* Bank badge row */
.bank-badge-row {
  display: flex; flex-wrap: wrap; gap: .5rem;
  align-items: center;
}
.bank-badge-row-label {
  font-size: .72rem; font-weight: 700; letter-spacing: 1px;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  width: 100%;
  margin-bottom: .1rem;
}
.bank-badge {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .3rem .75rem;
  border-radius: 20px;
  border: 1.5px solid;
  font-size: .72rem; font-weight: 600;
  background: transparent;
}

/* Security + FAQ 2-col */
.sec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

/* How it works list */
.how-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.how-item {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  padding: .8rem;
  background: var(--panel-bg2);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
}
.how-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.how-title { font-size: .83rem; font-weight: 600; color: var(--text); margin-bottom: .15rem; }
.how-desc { font-size: .78rem; color: var(--text-dim); line-height: 1.5; }

/* FAQ Accordion */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.faq-item {
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: var(--panel-bg);
  overflow: hidden;
}
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .85rem 1rem;
  font-size: .83rem; font-weight: 600;
  color: var(--text);
  cursor: pointer;
  gap: .5rem;
  transition: background .15s;
  user-select: none;
}
.faq-q:hover { background: var(--panel-bg2); }
.faq-arrow {
  font-size: .7rem;
  color: var(--text-dim);
  transition: transform .2s;
  flex-shrink: 0;
}
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-a {
  display: none;
  padding: 0 1rem .85rem 1rem;
  font-size: .8rem;
  color: var(--text-dim);
  line-height: 1.6;
  border-top: 1px solid var(--panel-border);
  padding-top: .75rem;
}
.faq-item.open .faq-a { display: block; }

/* Security badges */
.sec-badges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .75rem;
  margin-top: 1.5rem;
}
.sec-badge {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: .9rem .75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  text-align: center;
}
.sec-badge-icon { font-size: 1.5rem; }
.sec-badge-title { font-size: .72rem; font-weight: 700; color: var(--text); letter-spacing: .3px; }
.sec-badge-desc { font-size: .65rem; color: var(--text-dim); line-height: 1.4; }

/* ── FOOTER ─────────────────────────────────────── */
.footer {
  padding: .85rem 1.5rem;
  background: var(--panel-bg);
  color: var(--text-dim);
  font-size: .72rem;
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem;
  border-top: 1px solid var(--panel-border);
}
.ft-lock { margin-right: .3rem; }
.ft-right { color: var(--text-muted); }

/* ── TOAST ──────────────────────────────────────── */
.toast {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%) translateY(2rem);
  background: var(--text);
  color: #fff;
  padding: .65rem 1.25rem;
  border-radius: 8px;
  font-size: .82rem; font-weight: 500;
  opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s;
  z-index: 999; white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { background: var(--success); }
.toast.error   { background: var(--danger); }

/* ── UTILITIES ──────────────────────────────────── */
.hidden { display: none !important; }

.result-panel {
  animation: slideIn .4s cubic-bezier(.16,1,.3,1);
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 860px) {
  .main { grid-template-columns: 1fr; max-width: 540px; }
  .bank-grid { grid-template-columns: repeat(3, 1fr); }
  .sec-grid { grid-template-columns: 1fr; }
  .features-inner { grid-template-columns: 1fr; }
  .sec-badges { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 56px; left: 0; right: 0;
    background: var(--header-bg); border-bottom: 1px solid var(--panel-border);
    padding: .75rem 1rem; gap: .25rem; z-index: 99; }
  .nav-links.open { display: flex; }
  .nav-inner { flex-wrap: wrap; position: relative; }
  .nav-toggle { display: flex; }
  .nav-status { margin-left: 0; }
  .steps-grid { grid-template-columns: 1fr; }
  .page-hero-inner { flex-direction: column; align-items: flex-start; }
  .bank-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 420px) {
  .bank-grid { grid-template-columns: repeat(2, 1fr); }
  .sec-badges { grid-template-columns: repeat(2, 1fr); }
  .main { padding: 1rem; }
  .page-content { padding: 1rem; }
}