/* ══════════════════════════════════════════════════════════
   TEKO PADEL ADVISOR v3 — Styles
   Dark premium · Mobile-first · Paraguay 🇵🇾
   ══════════════════════════════════════════════════════════ */

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

:root {
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.15);
  --accent-glow: rgba(0, 212, 170, 0.4);
  --bg-deep: #0a0a0f;
  --bg-card: #12121a;
  --bg-card-hover: #181824;
  --border: #2a2a3a;
  --border-light: #3a3a4a;
  --text-primary: #e8e8ec;
  --text-secondary: #8888a0;
  --text-muted: #5a5a70;
  --danger: #ff4466;
  --warning: #ffaa33;
  --success: #00d4aa;
  --ideal: #00d4aa;
  --buena: #66bbff;
  --neutral: #aaaacc;
  --noRecomendada: #ff4466;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --font-heading: 'Space Mono', monospace;
  --font-body: 'DM Sans', sans-serif;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(0, 212, 170, 0.15);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 600px 400px at 20% 10%, rgba(0, 212, 170, 0.04), transparent),
    radial-gradient(ellipse 500px 500px at 80% 80%, rgba(100, 60, 200, 0.03), transparent);
  pointer-events: none;
  z-index: 0;
}

#root { position: relative; z-index: 1; }

/* ── Header ────────────────────────────────────────────── */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 3px;
  background: linear-gradient(135deg, var(--accent), #66eedd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.logo-sub {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 8px;
  opacity: 0.7;
  background: linear-gradient(135deg, #8888a0, #bbbbdd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sponsor-header {
  max-width: 120px;
  max-height: 40px;
  opacity: 0.8;
  transition: opacity var(--transition);
}
.sponsor-header:hover { opacity: 1; }

/* ── Container ─────────────────────────────────────────── */
.app-container {
  max-width: 520px;
  margin: 0 auto;
  padding: 0 16px 100px;
}

/* ── Cards ─────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 20px;
  box-shadow: var(--shadow);
  animation: fadeUp 0.4s ease-out;
}

.card-glow {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

/* ── Step Indicator ────────────────────────────────────── */
.step-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 24px 0 8px;
}

.step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  transition: all var(--transition);
}

.step-dot.active {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  width: 24px;
  border-radius: 4px;
}

.step-dot.done {
  background: var(--accent);
  opacity: 0.5;
}

/* ── Step Screen ───────────────────────────────────────── */
.step-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.step-subtitle {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.5;
}

/* ── Option Buttons (profile selector) ─────────────────── */
.option-group {
  margin-bottom: 20px;
}

.option-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
  font-family: var(--font-heading);
}

.option-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.option-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  user-select: none;
}

.option-btn:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
}

.option-btn.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
  box-shadow: 0 0 12px rgba(0, 212, 170, 0.1);
}

.option-btn.multi.selected {
  position: relative;
}

.option-btn.multi.selected::after {
  content: '✓';
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: 0.7rem;
  color: var(--accent);
}

/* ── Primary Button ────────────────────────────────────── */
.btn-primary {
  width: 100%;
  background: var(--accent);
  color: #0a0a0f;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px 24px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 8px;
}

.btn-primary:hover {
  background: #00eebb;
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  background: var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn-secondary {
  width: 100%;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 8px;
}

.btn-secondary:hover {
  border-color: var(--border-light);
  color: var(--text-primary);
}

.btn-back {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  padding: 8px 0;
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition);
}
.btn-back:hover { color: var(--text-primary); }

/* ── Search ────────────────────────────────────────────── */
.search-container { position: relative; }

.search-input {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px 14px 44px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition);
  outline: none;
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.search-input::placeholder { color: var(--text-muted); }

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 1.1rem;
}

.search-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  z-index: 50;
  box-shadow: var(--shadow);
  max-height: 240px;
  overflow-y: auto;
}

.search-item {
  padding: 12px 16px;
  cursor: pointer;
  transition: background var(--transition);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.search-item:last-child { border-bottom: none; }

.search-item:hover { background: var(--bg-card-hover); }

.search-item-name {
  font-weight: 500;
  font-size: 0.9rem;
}

.search-item-brand {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-heading);
  letter-spacing: 1px;
}

.search-new-btn {
  padding: 12px 16px;
  cursor: pointer;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
  transition: background var(--transition);
}
.search-new-btn:hover { background: rgba(0, 212, 170, 0.25); }

/* ── Profile Pills ─────────────────────────────────────── */
.profile-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 212, 170, 0.2);
  border-radius: 20px;
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.pill:hover {
  background: rgba(0, 212, 170, 0.25);
}

/* ── Loading ───────────────────────────────────────────── */
.loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 24px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-message {
  font-size: 0.9rem;
  color: var(--text-secondary);
  animation: fadeText 0.5s ease;
  min-height: 24px;
}

@keyframes fadeText {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Results ───────────────────────────────────────────── */
.result-header {
  text-align: center;
  margin-bottom: 20px;
}

.result-pala-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.result-brand {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* Veredicto badges */
.badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 20px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 12px 0;
}

.badge-ideal {
  background: rgba(0, 212, 170, 0.15);
  color: var(--ideal);
  border: 1px solid rgba(0, 212, 170, 0.3);
}

.badge-buena {
  background: rgba(102, 187, 255, 0.15);
  color: var(--buena);
  border: 1px solid rgba(102, 187, 255, 0.3);
}

.badge-neutral {
  background: rgba(170, 170, 204, 0.15);
  color: var(--neutral);
  border: 1px solid rgba(170, 170, 204, 0.3);
}

.badge-noRecomendada {
  background: rgba(255, 68, 102, 0.15);
  color: var(--noRecomendada);
  border: 1px solid rgba(255, 68, 102, 0.3);
}

/* Explanation */
.result-explanation {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.result-consejo {
  font-size: 0.85rem;
  color: var(--accent);
  background: var(--accent-dim);
  border-left: 3px solid var(--accent);
  padding: 12px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 12px 0;
}

.alert-lesion {
  font-size: 0.85rem;
  color: var(--danger);
  background: rgba(255, 68, 102, 0.1);
  border-left: 3px solid var(--danger);
  padding: 12px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 12px 0;
}

/* Specs Grid */
.specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 16px 0;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.spec-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--font-heading);
}

.spec-value {
  font-size: 0.9rem;
  font-weight: 500;
}

/* Rating bars */
.ratings-section {
  margin: 20px 0;
}

.rating-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.rating-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  min-width: 90px;
  text-transform: capitalize;
}

.rating-bar-bg {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.rating-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 8px var(--accent-glow);
}

.rating-value {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  color: var(--accent);
  min-width: 24px;
  text-align: right;
}

/* Pros / Cons */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}

.pros-col h4, .cons-col h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-family: var(--font-heading);
  margin-bottom: 10px;
}

.pros-col h4 { color: var(--success); }
.cons-col h4 { color: var(--danger); }

.pro-item, .con-item {
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 6px 0;
  padding-left: 16px;
  position: relative;
  line-height: 1.4;
}

.pro-item::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.con-item::before {
  content: '−';
  position: absolute;
  left: 2px;
  color: var(--danger);
  font-weight: 700;
}

/* Price section */
.price-section {
  text-align: center;
  padding: 20px;
  background: linear-gradient(135deg, rgba(0, 212, 170, 0.08), rgba(0, 212, 170, 0.02));
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 212, 170, 0.15);
  margin: 16px 0;
}

.price-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-family: var(--font-heading);
  margin-bottom: 4px;
}

.price-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  text-shadow: 0 0 20px var(--accent-glow);
}

.tiendas-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* Alternatives */
.alternatives {
  margin: 16px 0;
}

.alternatives h4 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-family: var(--font-heading);
  color: var(--text-muted);
  margin-bottom: 10px;
}

.alt-chip {
  display: inline-block;
  padding: 6px 14px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.82rem;
  color: var(--text-primary);
  cursor: pointer;
  margin: 3px 4px 3px 0;
  transition: all var(--transition);
}

.alt-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* Sponsor banner */
.sponsor-banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin: 16px 0;
}

.sponsor-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.sponsor-banner img {
  max-width: 100%;
  max-height: 60px;
  opacity: 0.85;
}

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

.section-title {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* ── Registration Form ─────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-input, .form-select {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition);
  -webkit-appearance: none;
}

.form-input:focus, .form-select:focus {
  border-color: var(--accent);
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238888a0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-required { color: var(--danger); }

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── Second-hand Guide ─────────────────────────────────── */
.guide-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin: 16px 0;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 0.85rem;
  color: var(--text-primary);
  text-decoration: none;
}
.guide-link:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.guide-section {
  margin-bottom: 16px;
}

.guide-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  user-select: none;
}

.guide-section-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--text-primary);
}

.guide-section-icon {
  color: var(--text-muted);
  transition: transform var(--transition);
  font-size: 0.9rem;
}

.guide-section-icon.open { transform: rotate(180deg); }

.guide-section-content {
  padding: 16px 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.guide-section-content li {
  margin-bottom: 8px;
  padding-left: 8px;
  list-style-position: inside;
}

.guide-warning {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  background: rgba(255, 170, 51, 0.1);
  border-left: 3px solid var(--warning);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 8px 0;
  font-size: 0.82rem;
  color: var(--text-primary);
}

.guide-check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 6px 0;
}

.guide-check-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.price-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 0.82rem;
}

.price-table th {
  text-align: left;
  padding: 8px 10px;
  background: var(--bg-deep);
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.price-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.price-up { color: var(--success); }
.price-down { color: var(--danger); }

/* ── Footer ────────────────────────────────────────────── */
.app-footer {
  text-align: center;
  padding: 20px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

.footer-text {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-link {
  color: var(--accent);
  text-decoration: none;
  cursor: pointer;
}
.footer-link:hover { text-decoration: underline; }

/* ── Animations ────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in { animation: fadeIn 0.3s ease; }
.fade-up { animation: fadeUp 0.4s ease-out; }

/* ── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ── Toast ─────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 0.85rem;
  color: var(--text-primary);
  box-shadow: var(--shadow);
  z-index: 200;
  animation: fadeUp 0.3s ease;
}

.toast-success { border-color: var(--success); }
.toast-error { border-color: var(--danger); }