/* =======================================
   QR generátor - EMBED verze pro WordPress
   Bez hlavičky a patičky
   ======================================= */

/* ===== RESET ===== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  font-family: 'Inter', 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

/* ===== EMBED MODE - tmavý design ===== */
body.embed-mode {
  background-color: #FFFFFF;
  color: #e5e7eb;
  padding: 20px 0;
  overflow-x: hidden;
}

/* ===== KONTEJNERY ===== */
.container {
  width: 95%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== ÚVODNÍ SEKCE ===== */
.intro-section {
  background: #0b0f16;
  padding: 30px 20px;
  border-radius: 16px;
  margin-bottom: 30px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.35);
}

.intro-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.qr-types h2 {
  color: #ffffff;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.qr-card {
  background: #1e293b;
  border: 2px solid #334155;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.qr-card:hover {
  border-color: #3b82f6;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.qr-card.active {
  border-color: #3b82f6;
  background: #1e3a8a;
}

.qr-card h3 {
  font-size: 0.9rem;
  margin-top: 8px;
  color: #e5e7eb;
}

.phone-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.phone-frame {
  width: 100%;
  max-width: 300px;
  background: #1e293b;
  border-radius: 20px;
  padding: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border: 1px solid #334155;
}

.phone-frame img {
  width: 100%;
  border-radius: 10px;
}

/* ===== HLAVNÍ MŘÍŽKA ===== */
.main-grid {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr;
  gap: 24px;
  padding: 20px 0;
}

.card,
.form-card,
.preview-card,
.info-card {
  background-color: #0b0f16;
  border-radius: 16px;
  padding: 25px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.35);
  border: 1px solid #1e2535;
}

h2, h3 {
  color: #ffffff;
  margin-bottom: 15px;
}

/* ===== FORMULÁŘ ===== */
label span {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: #cbd5e1;
}

input, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #1e2535;
  border-radius: 8px;
  background: #111826;
  color: #f1f5f9;
  transition: all 0.3s ease;
}

input:focus, select:focus {
  border-color: #3b82f6;
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.actions {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 10px 18px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn.primary {
  background: linear-gradient(145deg, #3b82f6, #2563eb);
  color: #fff;
  box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}

.btn.primary:hover {
  background: linear-gradient(145deg, #2563eb, #1e40af);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(59,130,246,0.5);
}

.btn.ghost {
  background: transparent;
  color: #94a3b8;
  border: 1px solid #475569;
}

.btn.ghost:hover {
  background: #1e2535;
}

.btn:not(.primary):not(.ghost) {
  background: #1e293b;
  color: #f1f5f9;
}

.btn:not(.primary):not(.ghost):hover {
  background: #334155;
}

.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== NÁHLED ===== */
.preview-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  height: 100%;
  min-height: 350px;
}

#qrcode, #qrCanvas {
  display: block;
  max-width: 100%;
}

.hidden {
  display: none;
}

.hint {
  color: #64748b;
  font-size: 0.9rem;
  text-align: center;
  margin-top: 10px;
}

/* ===== INFO PANEL ===== */
.info-card ul {
  list-style: disc;
  padding-left: 20px;
  color: #cbd5e1;
}

.info-card li {
  margin-bottom: 8px;
}

.info-card b {
  color: #ffffff;
}

/* ===== DROBNOSTI ===== */
.sep {
  margin: 25px 0;
  border: none;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

/* ===== ZÁLOŽKY ===== */
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 15px;
}

.tabs .tab {
  flex: 1;
  border: none;
  border-radius: 8px;
  padding: 10px 14px;
  font-weight: 600;
  cursor: pointer;
  color: #fff;
  background: #1e293b;
  transition: all 0.25s ease;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05);
}

.tabs .tab:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.tabs .tab.active[data-tab="tab-text"] {
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  color: #fff;
  box-shadow: 0 0 12px rgba(59,130,246,0.35);
}

.tabs .tab.active[data-tab="tab-vcard"] {
  background: linear-gradient(135deg, #10b981, #34d399);
  color: #fff;
  box-shadow: 0 0 12px rgba(16,185,129,0.35);
}

/* Tab panely */
.tab-panel { 
  display: none; 
}

.tab-panel.active { 
  display: block; 
}

/* ===== VCARD FORMULÁŘ ===== */
.vcard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
  margin-top: 15px;
}

.vcard-grid label {
  display: block;
  font-size: 14px;
  color: #cbd5e1;
  margin-bottom: 4px;
}

.vcard-grid input {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #1e2535;
  background-color: #111826;
  color: #f1f5f9;
  transition: border-color 0.2s ease;
}

.vcard-grid input:focus {
  border-color: #3b82f6;
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .main-grid {
    grid-template-columns: 1fr;
  }
  
  .form-card, .preview-card, .info-card {
    margin-bottom: 20px;
  }
  
  .actions {
    justify-content: center;
  }
  
  .intro-container {
    grid-template-columns: 1fr;
  }
  
  .qr-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .vcard-grid,
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .qr-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .intro-section {
    padding: 20px 15px;
  }
  
  .container {
    width: 100%;
    padding: 0 10px;
  }
}

@media (max-width: 480px) {
  .qr-grid {
    grid-template-columns: 1fr;
  }
}