/* =====================
   styles.css — Folha de estilos da Calculadora VDOT
   ===================== */

:root {
  --gold-light:    #FFE96A;
  --gold-mid:      #FFB446;
  --gold-warm:     #E9A820;
  --amber:         #D4900E;
  --amber-dark:    #B87B08;
  --brown-light:   #A16700;
  --brown-mid:     #515200;
  --brown-dark:    #1A0F00;
  --white:         #F5EDD8;
  --off-black:     #141008;
  --bg-card:       #1E1608;
  --bg-card-raised:#261C0A;
  --text:          #F0E4C4;
  --text-muted:    #A8926A;
  --text-light:    #7A6440;
  --surface:       #1E1608;
  --border:        rgba(200,160,60,0.2);
  --border-strong: rgba(200,160,60,0.35);
  --zone-e: #FFE050;
  --zone-m: #F0A030;
  --zone-t: #E08818;
  --zone-i: #C86800;
  --zone-r: #8A4800;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: transparent;
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* =====================
   HEADER
   ===================== */
.site-header {
  background: var(--off-black);
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid var(--gold-mid);
}
.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28px;
  color: var(--gold-warm);
  letter-spacing: 3px;
  line-height: 1;
}
.logo span {
  color: var(--white);
  opacity: 0.6;
  font-size: 13px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  letter-spacing: 0;
  display: block;
  margin-top: -2px;
}
.version-badge {
  background: var(--gold-mid);
  color: var(--brown-dark);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 1px;
}

/* =====================
   HERO
   ===================== */
.hero {
  background: linear-gradient(160deg, #0D0900 0%, #1A1005 40%, #0D0900 100%);
  padding: 56px 24px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-strong);
}
.hero::before {
  content: 'VIDA A CORRER';
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(80px, 18vw, 200px);
  color: rgba(200,140,20,0.05);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  white-space: nowrap;
  letter-spacing: 0.08em;
}
.hero h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(40px, 7vw, 76px);
  color: var(--white);
  letter-spacing: 4px;
  line-height: 1;
  position: relative;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}
.hero h1 em {
  color: var(--gold-warm);
  font-style: normal;
}
.hero p {
  margin: 16px auto 0;
  color: var(--text-muted);
  font-size: 15px;
  max-width: 480px;
  line-height: 1.65;
  position: relative;
}

/* =====================
   LAYOUT PRINCIPAL
   ===================== */
.main-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* =====================
   FORM CARD
   ===================== */
.form-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 36px;
  margin-top: -24px;
  position: relative;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 0 1px var(--border-strong);
}
.form-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  color: var(--gold-warm);
  letter-spacing: 3px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.form-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.field label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.field select,
.field input[type="text"] {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--bg-card-raised);
  font-family: 'DM Mono', monospace;
  font-size: 16px;
  color: var(--white);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23A8926A' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-color: var(--bg-card-raised);
  padding-right: 40px;
  cursor: pointer;
}
.field input:focus,
.field select:focus {
  border-color: var(--gold-warm);
  box-shadow: 0 0 0 3px rgba(210,150,20,0.15);
}
.field input.error { border-color: #e05c40; }
.field .error-msg {
  display: none;
  font-size: 12px;
  color: #e07060;
  margin-top: 6px;
  font-weight: 500;
}
.field .error-msg.show { display: block; }
.time-hint {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 6px;
  font-style: italic;
}

/* =====================
   BOTÕES
   ===================== */
.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.btn-primary {
  flex: 1;
  min-width: 140px;
  padding: 16px 28px;
  background: linear-gradient(135deg, var(--gold-warm), var(--amber));
  color: var(--brown-dark);
  border: none;
  border-radius: 10px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.2s, filter 0.15s;
  box-shadow: 0 4px 20px rgba(200,140,20,0.3);
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(200,140,20,0.45);
  filter: brightness(1.08);
}
.btn-primary:active:not(:disabled) { transform: translateY(0); }
.btn-primary:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  background: linear-gradient(135deg, #3a3018, #2a2010);
  color: rgba(255,220,120,0.25);
  box-shadow: none;
}
.btn-secondary {
  padding: 16px 24px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-secondary:hover { border-color: var(--gold-warm); color: var(--gold-warm); }

/* =====================
   SECÇÃO DE RESULTADOS
   ===================== */
.score-section { margin-top: 32px; display: none; }
.score-section.visible { display: block; animation: fadeUp 0.4s ease; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =====================
   VDOT STRIP
   ===================== */
.vdot-strip {
  background: var(--bg-card-raised);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 18px 24px;
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.vdot-strip-score {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 42px;
  line-height: 1;
  color: var(--gold-warm);
  letter-spacing: -1px;
  flex-shrink: 0;
  text-shadow: 0 0 20px rgba(210,160,30,0.3);
}
.vdot-strip-divider { width: 1px; height: 36px; background: var(--border); flex-shrink: 0; }
.vdot-strip-meta   { flex: 1; min-width: 160px; }
.vdot-strip-label  { font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-light); }
.vdot-strip-ref    { font-family: 'DM Mono', monospace; font-size: 14px; color: var(--text); margin-top: 2px; }
.vdot-strip-level  {
  display: inline-block;
  background: rgba(210,144,14,0.2);
  color: var(--gold-warm);
  border: 1px solid rgba(210,144,14,0.4);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 2px 10px;
  border-radius: 20px;
  margin-top: 4px;
}
.vdot-info-btn {
  margin-left: auto;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 15px;
  transition: all 0.15s;
  flex-shrink: 0;
}
.vdot-info-btn:hover { border-color: var(--gold-warm); color: var(--gold-warm); background: rgba(210,144,14,0.1); }

/* =====================
   TABS
   ===================== */
.tabs-section { margin-top: 0; }
.tab-nav {
  display: flex;
  gap: 4px;
  background: var(--bg-card-raised);
  border-radius: 14px 14px 0 0;
  padding: 6px 6px 0;
  border: 1px solid var(--border-strong);
  border-bottom: none;
  overflow-x: auto;
}
.tab-btn {
  flex: 1;
  min-width: 120px;
  padding: 12px 16px;
  background: transparent;
  border: none;
  border-radius: 10px 10px 0 0;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  letter-spacing: 0.3px;
}
.tab-btn.active { background: var(--gold-warm); color: var(--brown-dark); font-weight: 700; }
.tab-btn:not(.active):hover { background: rgba(210,144,14,0.12); color: var(--gold-warm); }
.tab-btn:focus-visible { outline: 2px solid var(--gold-warm); outline-offset: -2px; }

.tab-panel {
  background: var(--bg-card);
  border-radius: 0 0 16px 16px;
  border: 1px solid var(--border-strong);
  border-top: none;
  padding: 28px;
  display: none;
}
.tab-panel.active { display: block; animation: fadeIn 0.25s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* =====================
   TABELAS
   ===================== */
.results-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}
.results-table th {
  text-align: left;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-light);
  padding: 10px 14px;
  border-bottom: 2px solid var(--border);
}
.results-table td {
  padding: 14px;
  font-family: 'DM Mono', monospace;
  font-size: 15px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}
.results-table tr:last-child td { border-bottom: none; }
.results-table tr.highlight-row td { background: rgba(210,150,20,0.08); }
.results-table tr.highlight-row td:first-child { border-left: 3px solid var(--gold-warm); }

/* =====================
   ZONA PILLS
   ===================== */
.zone-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 16px;
  letter-spacing: 1px;
  color: #0D0800;
  padding: 6px 14px;
  border-radius: 8px;
  white-space: nowrap;
}
.zone-E { background: var(--zone-e); color: #1A0F00; }
.zone-M { background: var(--zone-m); color: #1A0F00; }
.zone-T { background: var(--zone-t); color: #1A0F00; }
.zone-I { background: var(--zone-i); color: #FFE8B0; }
.zone-R { background: var(--zone-r); color: #FFD090; }

.zone-info-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 14px;
  padding: 2px 4px;
  border-radius: 50%;
  transition: color 0.15s, background 0.15s;
}
.zone-info-btn:hover { color: var(--gold-warm); background: rgba(210,144,14,0.1); }
.zone-info-btn:focus-visible { outline: 2px solid var(--gold-warm); }

.track-times {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  font-family: 'DM Mono', monospace;
  line-height: 1.8;
}
.track-badge {
  display: inline-block;
  background: rgba(255,220,100,0.1);
  color: var(--gold-light);
  border: 1px solid rgba(255,200,60,0.2);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 4px;
  margin-bottom: 2px;
  font-family: 'DM Mono', monospace;
}
.anchor-icon {
  display: inline-block;
  background: rgba(210,150,20,0.2);
  color: var(--gold-warm);
  border: 1px solid rgba(210,150,20,0.4);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  font-family: 'DM Sans', sans-serif;
  margin-left: 6px;
}

/* =====================
   BOTÃO PDF
   ===================== */
.pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 12px 22px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.3px;
}
.pdf-btn:hover { background: var(--gold-warm); color: var(--off-black); border-color: var(--gold-warm); }
.pdf-btn svg   { flex-shrink: 0; }

/* =====================
   TOOLTIP / MODAL
   ===================== */
.tooltip-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.tooltip-overlay.open { display: flex; }
.tooltip-box {
  background: var(--bg-card-raised);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  padding: 32px;
  max-width: 480px;
  width: 100%;
  position: relative;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
  animation: fadeUp 0.25s ease;
}
.tooltip-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 32px; height: 32px;
  border: 1px solid var(--border-strong);
  background: transparent;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.tooltip-close:hover { background: var(--gold-warm); color: var(--off-black); border-color: var(--gold-warm); }
.tooltip-close:focus-visible { outline: 2px solid var(--gold-warm); }
.tooltip-zone-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28px;
  letter-spacing: 2px;
  color: var(--gold-warm);
  margin-bottom: 4px;
}
.tooltip-info dt {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 14px;
}
.tooltip-info dd {
  font-size: 14px;
  color: var(--text);
  margin-top: 3px;
  line-height: 1.5;
}

/* =====================
   FOOTER
   ===================== */
.site-footer {
  background: transparent;
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.7;
}
.footer-inner  { max-width: 1100px; margin: 0 auto; }
.disclaimer-box {
  background: rgba(210,144,14,0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 20px;
}
.disclaimer-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold-warm);
  margin-bottom: 8px;
}
.disclaimer-text { font-size: 12px; color: var(--text-muted); line-height: 1.7; }
.footer-copy { font-size: 11px; color: var(--text-light); text-align: center; margin-top: 16px; }

/* =====================
   RESPONSIVE — TABLET
   ===================== */
@media (max-width: 680px) {
  .hero { padding: 36px 16px 32px; }
  .hero h1 { font-size: clamp(32px, 10vw, 52px); letter-spacing: 2px; }
  .hero p  { font-size: 14px; }
  .main-wrap { padding: 0 12px 60px; }
  .form-card { margin-top: 16px; padding: 20px 16px; border-radius: 12px; }
  .form-row  { grid-template-columns: 1fr; gap: 14px; }
  .form-actions { flex-direction: column; gap: 10px; }
  .btn-primary  { width: 100%; font-size: 16px; letter-spacing: 1.5px; padding: 15px 20px; white-space: nowrap; }
  .btn-secondary { width: 100%; text-align: center; padding: 13px 20px; }
  .tab-nav  { padding: 4px 4px 0; gap: 2px; }
  .tab-btn  { min-width: 0; font-size: 12px; padding: 10px 10px; letter-spacing: 0; }
  .tab-panel { padding: 16px 12px; border-radius: 0 0 12px 12px; }
  .results-table { font-size: 13px; }
  .results-table th { padding: 8px; font-size: 9px; letter-spacing: 1px; }
  .results-table td { padding: 12px 8px; font-size: 13px; }
  .zone-pill { font-size: 13px; padding: 4px 8px; gap: 4px; }
  .vdot-strip { gap: 10px; padding: 14px; border-radius: 10px; }
  .vdot-strip-score { font-size: 30px; }
  .vdot-strip-divider { display: none; }
  .paces-col-track { display: none; }
  .pdf-btn { width: 100%; justify-content: center; margin-top: 16px; }
  .tooltip-box { padding: 24px 18px; border-radius: 12px; }
}

@media (max-width: 580px) {
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 24px; }
}

/* =====================
   RESPONSIVE — MOBILE ESTREITO
   ===================== */
@media (max-width: 390px) {
  .hero h1 { font-size: 28px; }
  .tab-btn { font-size: 11px; padding: 9px 8px; }
  .results-table td { font-size: 12px; }
}