/* ============================================================
   Bostanlı 360° Sanal Tur - Stiller
   ============================================================ */

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

body {
  overflow: hidden;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #000;
}

/* ---- A-Frame Sahne Boyutlandırma ---- */
a-scene {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
}

a-scene .a-canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ---- Sahne Başlık Etiketi ---- */
#scene-title-overlay {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 10px 20px;
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.3px;
  pointer-events: none;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

#scene-title-overlay .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00d4ff;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.quality-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  line-height: 1;
  transition: all 0.4s ease;
}

.quality-badge.lq {
  background: rgba(255, 170, 0, 0.3);
  color: #ffaa00;
  border: 1px solid rgba(255, 170, 0, 0.4);
}

.quality-badge.hq {
  background: rgba(0, 212, 100, 0.3);
  color: #00d464;
  border: 1px solid rgba(0, 212, 100, 0.4);
}

.quality-badge.loading {
  background: rgba(0, 170, 255, 0.3);
  color: #00aaff;
  border: 1px solid rgba(0, 170, 255, 0.4);
  animation: pulse-badge 1.2s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ---- HD Toggle Butonu ---- */
#btn-hd-toggle {
  position: relative;
  overflow: hidden;
}

#btn-hd-toggle .hd-btn-text {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: rgba(255, 255, 255, 0.6);
  transition: all 0.3s ease;
}

#btn-hd-toggle.active .hd-btn-text {
  color: #00d464;
  text-shadow: 0 0 8px rgba(0, 212, 100, 0.5);
}

#btn-hd-toggle.active {
  background: rgba(0, 212, 100, 0.2);
  border-color: rgba(0, 212, 100, 0.5);
}

#btn-hd-toggle.loading .hd-btn-text {
  color: #00aaff;
  animation: pulse-badge 1s ease-in-out infinite;
}

#btn-hd-toggle.loading {
  background: rgba(0, 170, 255, 0.15);
  border-color: rgba(0, 170, 255, 0.4);
}

/* Masaüstünde HD butonu gizle (otomatik HQ yükleniyor) */
@media (min-width: 1024px) {
  #btn-hd-toggle {
    display: none;
  }
}

/* ---- Kontrol Paneli ---- */
#controls-panel {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  gap: 8px;
  align-items: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 8px 14px;
}

.ctrl-btn {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.ctrl-btn:hover {
  background: rgba(0, 212, 255, 0.25);
  border-color: rgba(0, 212, 255, 0.5);
}

.ctrl-btn:active {
  transform: scale(0.92);
  background: rgba(0, 212, 255, 0.4);
}

.ctrl-btn svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ctrl-divider {
  width: 1px;
  height: 28px;
  background: rgba(255, 255, 255, 0.15);
  margin: 0 4px;
}

/* ---- Yön Tuşları (Mobil + Masaüstü) ---- */
#dpad-controls {
  position: fixed;
  bottom: 80px;
  right: 20px;
  z-index: 9999;
  display: grid;
  grid-template-columns: 42px 42px 42px;
  grid-template-rows: 42px 42px 42px;
  gap: 4px;
}

#dpad-controls .dpad-btn {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

#dpad-controls .dpad-btn:hover {
  background: rgba(0, 212, 255, 0.2);
}

#dpad-controls .dpad-btn:active {
  background: rgba(0, 212, 255, 0.4);
  transform: scale(0.9);
}

.dpad-up    { grid-column: 2; grid-row: 1; }
.dpad-left  { grid-column: 1; grid-row: 2; }
.dpad-center{ grid-column: 2; grid-row: 2; }
.dpad-right { grid-column: 3; grid-row: 2; }
.dpad-down  { grid-column: 2; grid-row: 3; }

/* ---- Sahne Listesi Paneli ---- */
#scene-list-panel {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100%;
  z-index: 10000;
  background: rgba(15, 15, 25, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px;
  overflow-y: auto;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

#scene-list-panel.open {
  right: 0;
}

#scene-list-panel h3 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 16px;
  font-weight: 600;
}

.scene-btn {
  display: block;
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: #ccc;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
}

.scene-btn:hover {
  background: rgba(0, 212, 255, 0.15);
  color: #fff;
  border-color: rgba(0, 212, 255, 0.3);
}

.scene-btn.active {
  background: rgba(0, 212, 255, 0.2);
  color: #00d4ff;
  border-color: rgba(0, 212, 255, 0.5);
}

#close-scene-list {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: #888;
  font-size: 22px;
  cursor: pointer;
}

#close-scene-list:hover {
  color: #fff;
}

/* ---- Loading Ekranı ---- */
#initial-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 99999;
  background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3e 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: opacity 0.6s ease;
}

#initial-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

#initial-loader .spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: #00d4ff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 20px;
}

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

#initial-loader p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  #scene-title-overlay {
    top: 12px;
    left: 12px;
    font-size: 13px;
    padding: 8px 14px;
  }

  #controls-panel {
    bottom: 12px;
    padding: 6px 10px;
    gap: 6px;
  }

  .ctrl-btn {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }

  #dpad-controls {
    bottom: 70px;
    right: 12px;
  }

  #dpad-controls .dpad-btn {
    width: 38px;
    height: 38px;
  }

  #scene-list-panel {
    width: 260px;
    right: -280px;
  }
}

@media (max-width: 480px) {
  #controls-panel {
    bottom: 8px;
    padding: 5px 8px;
    gap: 4px;
  }

  .ctrl-btn {
    width: 34px;
    height: 34px;
    font-size: 14px;
    border-radius: 8px;
  }
}

/* ---- EDITOR sayfası stilleri ---- */
.editor-toolbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10001;
  background: rgba(15, 15, 25, 0.95);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 13px;
}

.editor-toolbar select,
.editor-toolbar input,
.editor-toolbar button {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #fff;
  padding: 6px 12px;
  font-size: 12px;
}

.editor-toolbar button {
  cursor: pointer;
  transition: background 0.2s;
}

.editor-toolbar button:hover {
  background: rgba(0, 212, 255, 0.2);
}

.editor-toolbar button.primary {
  background: rgba(0, 212, 255, 0.3);
  border-color: rgba(0, 212, 255, 0.5);
}

.editor-output {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  max-height: 250px;
  z-index: 10001;
  background: rgba(10, 10, 20, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 12px 20px;
  overflow-y: auto;
  color: #0f0;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  display: none;
}

.editor-output.open {
  display: block;
}

/* Editor sayfasında a-scene'in toolbar altında düzgün oturması */
body:has(.editor-toolbar) a-scene {
  position: fixed !important;
  top: 50px !important;
  left: 0 !important;
  width: 100% !important;
  height: calc(100% - 50px) !important;
}

.editor-crosshair {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 9998;
  pointer-events: none;
  color: rgba(255, 255, 255, 0.4);
  font-size: 30px;
}

.editor-coords {
  position: fixed;
  top: 60px;
  left: 20px;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 8px;
  padding: 10px 14px;
  color: #0f0;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  line-height: 1.6;
}

/* ---- Sahne Yönetim Paneli ---- */
.scene-manager-panel {
  position: fixed;
  top: 0;
  right: -380px;
  width: 360px;
  height: 100%;
  z-index: 10002;
  background: rgba(12, 12, 24, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid rgba(0, 212, 255, 0.2);
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -4px 0 30px rgba(0, 0, 0, 0.5);
}

.scene-manager-panel.open {
  right: 0;
}

.smp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.smp-header h3 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin: 0;
}

.smp-close-btn {
  background: none;
  border: none;
  color: #888;
  font-size: 20px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.2s;
}

.smp-close-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.smp-actions {
  padding: 12px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.smp-btn {
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: #ccc;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s;
}

.smp-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.smp-btn-primary {
  background: rgba(0, 212, 255, 0.2);
  border-color: rgba(0, 212, 255, 0.4);
  color: #00d4ff;
  width: 100%;
}

.smp-btn-primary:hover {
  background: rgba(0, 212, 255, 0.35);
}

.smp-scene-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px;
}

.smp-scene-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  margin-bottom: 4px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  cursor: grab;
  transition: all 0.2s;
  user-select: none;
}

.smp-scene-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.smp-scene-item.active {
  background: rgba(0, 212, 255, 0.12);
  border-color: rgba(0, 212, 255, 0.35);
}

.smp-scene-item.dragging {
  opacity: 0.4;
  transform: scale(0.96);
}

.smp-scene-item.drag-over {
  border-color: #00d4ff;
  background: rgba(0, 212, 255, 0.15);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.2);
}

.smp-drag-handle {
  color: rgba(255, 255, 255, 0.25);
  font-size: 14px;
  cursor: grab;
  padding: 2px;
  flex-shrink: 0;
}

.smp-scene-item:hover .smp-drag-handle {
  color: rgba(255, 255, 255, 0.5);
}

.smp-scene-num {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.smp-scene-info {
  flex: 1;
  min-width: 0;
}

.smp-scene-title {
  color: #eee;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.smp-scene-id {
  color: rgba(255, 255, 255, 0.35);
  font-size: 10px;
  font-family: 'Courier New', monospace;
  margin-top: 2px;
}

.smp-scene-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.2s;
}

.smp-scene-item:hover .smp-scene-actions {
  opacity: 1;
}

.smp-scene-action-btn {
  width: 26px;
  height: 26px;
  border: none;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: #aaa;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  padding: 0;
}

.smp-scene-action-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.smp-scene-action-btn.delete:hover {
  background: rgba(255, 60, 60, 0.3);
  color: #ff6666;
}

.smp-info {
  padding: 10px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.smp-info small {
  color: rgba(255, 255, 255, 0.3);
  font-size: 11px;
}

/* Sahne Ekleme Modalı */
.smp-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10003;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
}

.smp-modal.open {
  display: flex;
}

.smp-modal-content {
  background: rgba(20, 20, 40, 0.98);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 16px;
  padding: 28px;
  width: 380px;
  max-width: 90%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.smp-modal-content h4 {
  color: #fff;
  font-size: 16px;
  margin: 0 0 20px;
}

.smp-modal-content label {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
  margin-bottom: 12px;
}

.smp-modal-content input {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #fff;
  font-size: 13px;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.smp-modal-content input:focus {
  border-color: rgba(0, 212, 255, 0.5);
}

.smp-modal-actions {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  justify-content: flex-end;
}

/* Sahne isim düzenleme input */
.smp-scene-title-input {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.5);
  border-radius: 4px;
  color: #fff;
  font-size: 13px;
  padding: 2px 6px;
  width: 100%;
  outline: none;
  box-sizing: border-box;
}

/* ---- Editör Yardım Paneli ---- */
.editor-help-panel {
  position: fixed;
  top: 50px;
  right: -360px;
  width: 340px;
  max-height: calc(100% - 60px);
  z-index: 10002;
  background: rgba(12, 12, 24, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: 1px solid rgba(0, 212, 255, 0.2);
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -4px 0 30px rgba(0, 0, 0, 0.5);
  overflow-y: auto;
}

.editor-help-panel.open {
  right: 0;
}

.help-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  background: rgba(12, 12, 24, 0.97);
}

.help-header h3 {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin: 0;
}

.help-content {
  padding: 8px 14px 16px;
}

.help-section {
  margin-bottom: 14px;
}

.help-section h4 {
  color: #00d4ff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin: 0 0 6px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(0, 212, 255, 0.15);
}

.help-section h4 small {
  color: rgba(255, 255, 255, 0.4);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

.help-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0;
  font-size: 12px;
}

.help-row kbd {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  padding: 2px 7px;
  color: #fff;
  font-family: 'Courier New', monospace;
  font-size: 11px;
  white-space: nowrap;
}

.help-row span {
  color: rgba(255, 255, 255, 0.6);
  font-size: 11px;
  text-align: right;
}

/* ---- Editör Koordinat Paneli Görünürlük Uyarısı ---- */
.editor-coords .view-info {
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #00d4ff;
}

.editor-coords .visibility-warn {
  color: #ff6644;
  font-weight: bold;
}

/* ============================================================
   WELCOME OVERLAY - Karşılama Bilgilendirme Kutusu
   ============================================================ */
#welcome-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.55);
  opacity: 1;
  transition: opacity 0.5s ease;
  padding: 20px;
}

#welcome-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.welcome-box {
  background: rgba(10, 18, 32, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(0, 210, 255, 0.15);
  border-radius: 20px;
  padding: 36px 32px 28px;
  max-width: 420px;
  width: 100%;
  text-align: center;
  animation: welcomeFadeIn 0.6s ease;
  box-shadow: 0 8px 48px rgba(0, 0, 0, 0.5), 0 0 80px rgba(0, 210, 255, 0.06);
}

@keyframes welcomeFadeIn {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.welcome-title {
  font-size: 26px;
  font-weight: 700;
  color: #00d4ff;
  margin: 0 0 2px;
  letter-spacing: 0.5px;
}

.welcome-subtitle {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  margin: 0 0 24px;
  letter-spacing: 0.3px;
}

.welcome-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 26px;
  text-align: left;
}

.welcome-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.welcome-icon {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.welcome-icon svg {
  width: 20px;
  height: 20px;
  color: #00d4ff;
}

.welcome-text {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.45;
}

.welcome-text strong {
  color: #fff;
}

.welcome-hint {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

#welcome-start-btn {
  display: inline-block;
  background: #00d4ff;
  color: #0a1220;
  border: none;
  border-radius: 10px;
  padding: 12px 36px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.3px;
  transition: background 0.2s, transform 0.15s;
}

#welcome-start-btn:hover {
  background: #33dfff;
  transform: scale(1.03);
}

#welcome-start-btn:active {
  transform: scale(0.97);
}

/* Mobil uyum */
@media (max-width: 480px) {
  .welcome-box {
    padding: 28px 20px 22px;
    border-radius: 16px;
  }

  .welcome-title {
    font-size: 22px;
  }

  .welcome-subtitle {
    font-size: 12px;
  }

  .welcome-icon {
    width: 34px;
    height: 34px;
  }

  .welcome-icon svg {
    width: 17px;
    height: 17px;
  }

  .welcome-text {
    font-size: 13px;
  }

  #welcome-start-btn {
    padding: 11px 30px;
    font-size: 14px;
    width: 100%;
  }
}