/* ---- Main Stylesheet: with compact/professional/toggleable theme ---- */

:root {
  --primary-bg: #0f1419;
  --secondary-bg: #131b23;
  --panel-bg: linear-gradient(135deg, #1a2329 0%, #0f1419 100%);
  --panel-border: #2a3f4a;
  --panel-header-bg: linear-gradient(135deg, #1f2b33 0%, #151e25 100%);
  --panel-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --ui-accent: #64b5f6;
  --ui-accent-bg: #1a242e;
  --ui-label: #90a4ae;
  --input-border: #37474f;
  --input-focus: #64b5f6;
  --input-bg: #1a242e;
  --button-bg: linear-gradient(135deg, #42a5f5 0%, #1976d2 100%);
  --button-hover: linear-gradient(135deg, #64b5f6 0%, #2196f3 100%);
  --hud-bg: linear-gradient(135deg, #1a2329 0%, #0f1419 100%);
  --hud-border: #2a3f4a;
  --hud-box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  --hud-label: #90a4ae;
  --hud-value: #e3f2fd;
  --fps-unit: #64b5f6;
  --error: #f44336;
  --icon-bg: rgba(100, 181, 246, 0.1);
  --theme-toggle-bg: rgba(26, 36, 46, 0.9);
  --theme-toggle-border: #37474f;
  --theme-toggle-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  --text-primary: #e3f2fd;
  --text-secondary: #90a4ae;
}

/* ----- LIGHT THEME OVERRIDE ----- */
[data-theme="light"] {
  --primary-bg: #fafafa;
  --secondary-bg: #ffffff;
  --panel-bg: linear-gradient(135deg, #ffffff 0%, #f5f5f5 100%);
  --panel-border: #e0e0e0;
  --panel-header-bg: linear-gradient(135deg, #f5f5f5 0%, #eeeeee 100%);
  --panel-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --ui-accent: #1976d2;
  --ui-accent-bg: #ffffff;
  --ui-label: #616161;
  --input-border: #e0e0e0;
  --input-focus: #1976d2;
  --input-bg: #ffffff;
  --button-bg: linear-gradient(135deg, #42a5f5 0%, #1976d2 100%);
  --button-hover: linear-gradient(135deg, #64b5f6 0%, #2196f3 100%);
  --hud-bg: linear-gradient(135deg, #ffffff 0%, #f5f5f5 100%);
  --hud-border: #e0e0e0;
  --hud-box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --hud-label: #616161;
  --hud-value: #212121;
  --fps-unit: #1976d2;
  --error: #d32f2f;
  --icon-bg: rgba(25, 118, 210, 0.1);
  --theme-toggle-bg: rgba(255, 255, 255, 0.9);
  --theme-toggle-border: #e0e0e0;
  --theme-toggle-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  --text-primary: #212121;
  --text-secondary: #616161;
}

/* --- BODY & CANVAS --- */
body {
  margin: 0;
  background: var(--primary-bg);
  color: var(--text-primary);
  overflow: hidden;
  font-family: 'Segoe UI', 'Roboto', 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  transition: background 0.3s ease, color 0.3s ease;
}

#threeCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  z-index: 0;
  background: transparent;
}

/* --- UI PANEL --- */
#uiPanel {
  position: absolute;
  top: 20px;
  left: 20px;
  width: 280px;
  padding: 0;
  border-radius: 12px;
  background: var(--panel-bg);
  box-shadow: var(--panel-shadow);
  z-index: 20;
  border: 1px solid var(--panel-border);
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  font-size: 14px;
  animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

#uiPanelHeader {
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--panel-header-bg);
  border-top-left-radius: 11px;
  border-top-right-radius: 11px;
  padding: 16px;
  border-bottom: 1px solid var(--panel-border);
}

#mainIcon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--icon-bg);
  object-fit: contain;
  border: 1px solid var(--panel-border);
  padding: 6px;
  filter: brightness(1.2);
}

#uiPanelTitleBlock {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

#uiPanelTitle {
  font-size: 16px;
  font-weight: 600;
  color: var(--ui-accent);
  margin: 0;
  line-height: 1.2;
}

#uiPanelSub {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.3;
}

#uiMenus {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.uiControlGroup {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.uiControlGroup > label {
  font-size: 13px;
  font-weight: 500;
  color: var(--ui-label);
  display: flex;
  align-items: center;
  gap: 8px;
}

.uiRow {
  display: flex;
  gap: 8px;
  margin-bottom: 0;
}

.menuBox {
  display: flex;
  align-items: center;
  background: var(--ui-accent-bg);
  border-radius: 8px;
  border: 1px solid var(--input-border);
  transition: all 0.2s ease;
  width: 100%;
}

.menuBox:hover, .menuBox:focus-within {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-color: var(--ui-accent);
}

.menuBox label {
  font-size: 12px;
  font-weight: 500;
  color: var(--ui-label);
  white-space: nowrap;
  margin: 0;
}

.menuBox.miniIconMenu {padding: 6.5px 6px 6.5px 7.5px;}
.menuBox.objectCountBox {padding-left: 8px;}

.icon3d, .iconObj {
  width: 20px;
  height: 20px;
  object-fit: contain;
  border-radius: 4px;
  background: var(--icon-bg);
  padding: 2px;
  flex-shrink: 0;
}

select {
  font-size: 13px;
  border-radius: 8px;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-weight: 500;
  transition: all 0.2s ease;
  cursor: pointer;
  flex: 1;
  min-width: 0;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2390a4ae' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 1em;
}

[data-theme="light"] select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23616161' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
}

select:focus {
  outline: none;
}

#objectCountZone {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 3.5px;
}

.objectCountBox {
  flex-direction: row;
  align-items: center;
  gap: 4px;
}

#objectCountInput {
  flex: 1;
  width: auto;
  font-size: 13px;
  border-radius: 6px;
  padding: 8px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-weight: 500;
  transition: all 0.2s ease;
  text-align: left;
}

#objectCountInput:focus {
  outline: none;
  box-shadow: none;
}

#objectCountBtn {
  margin: 4px;
  border: none;
  background: var(--button-bg);
  color: white;
  font-weight: 600;
  font-size: 12px;
  border-radius: 6px;
  padding: 8px 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
}

#objectCountBtn:hover {
  background: var(--button-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(100, 181, 246, 0.3);
}

/* Animated checkmark OK icon for the 'OK' button */
.okIcon {
  display: block;
  width: 14px;
  height: 14px;
  position: relative;
}

.okIcon:after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 6px;
  height: 10px;
  border-right: 2px solid white;
  border-bottom: 2px solid white;
  transform: rotate(45deg);
}

#countErrorMsg {
  color: var(--error);
  margin-left: 8px;
  font-size: 11px;
  font-weight: 500;
  margin-top: 0;
  opacity: 0;
  transition: opacity 0.2s ease;
  padding-right: 6px;
}

#countErrorMsg.visible {
  opacity: 1;
}

/* Separator & Support Button */
.ui-separator {
  height: 1px;
  background: var(--panel-border);
  margin: 0px 16px 12px;
}

.support-section {
  padding: 0 16px 16px;
}

.support-button {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(135deg, #e91e63 0%, #c2185b 100%);
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
}

.support-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(233, 30, 99, 0.3);
  background: linear-gradient(135deg, #f06292 0%, #e91e63 100%);
}

.support-button .heart-icon {
  transition: transform 0.2s ease-out;
}

.support-button:hover .heart-icon {
  transform: scale(1.2);
}

/* Support Modal */
.support-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1001;
  opacity: 0;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(5px);
  pointer-events: none;
}

.support-modal.visible {
  opacity: 1;
  pointer-events: auto;
}

.support-modal-content {
  background: var(--panel-bg);
  border-radius: 16px;
  border: 1px solid var(--panel-border);
  box-shadow: var(--panel-shadow);
  max-width: 480px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.support-modal.visible .support-modal-content {
  transform: scale(1);
}

.support-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--panel-border);
  background: var(--panel-header-bg);
  border-top-left-radius: 15px;
  border-top-right-radius: 15px;
}

.support-modal-header h2 {
  margin: 0;
  color: var(--ui-accent);
  font-size: 20px;
  font-weight: 600;
}

.close-modal {
  background: none;
  border: none;
  font-size: 28px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.close-modal:hover {
  background: var(--input-border);
  color: var(--text-primary);
}

.support-modal-body {
  padding: 20px;
}

.support-modal-body p {
  margin: 0 0 20px 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.credit-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.credit-btn {
  padding: 12px 16px;
  border: 2px solid var(--ui-accent);
  background: transparent;
  color: var(--ui-accent);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.credit-btn:hover {
  background: var(--ui-accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(100, 181, 246, 0.3);
}

.custom-amount {
  display: flex;
  gap: 8px;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--panel-border);
}

.custom-amount input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 14px;
}

.custom-amount input:focus {
  outline: none;
  border-color: var(--ui-accent);
}

.custom-amount button {
  padding: 10px 16px;
  background: var(--button-bg);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.custom-amount button:hover {
  background: var(--button-hover);
  transform: translateY(-1px);
}

/* Thank You Message */
.thank-you-message {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--panel-bg);
  border: 1px solid var(--ui-accent);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--panel-shadow);
  z-index: 1002;
  opacity: 0;
  transition: all 0.3s ease;
}

.thank-you-message.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.thank-you-content h3 {
  margin: 0 0 8px 0;
  color: var(--ui-accent);
  font-size: 18px;
}

.thank-you-content p {
  margin: 0;
  color: var(--text-secondary);
}

/* Score HUD (top right) – much smaller, less saturated, smart scaling */
#scoreHud {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--hud-bg);
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--hud-border);
  box-shadow: var(--hud-box-shadow);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 260px;
  max-width: 500px;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  animation: slideInRight 0.5s ease-out;
}

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

#scoreHud .scoreLabel {
  opacity: 0.93;
  font-weight: 506;
  color: var(--hud-label);
  font-size: 1em;
  white-space:nowrap;
}

#scoreHud span {
  font-weight: 588;
  font-size: 1em;
  color: var(--hud-value);
  text-shadow: 0 1px 3px #1b446123;
  letter-spacing: 0.01em;
}

#scoreHud .fpsUnit { font-size: 0.93em; color: var(--fps-unit)!important; font-weight:650;margin-left:2.5px;}
#scoreHud .scoreLabel strong {
  color: #6290a7;
  font-weight: 540;
}

#scoreHud:after {
  display: none;
}

/* Adjust GPU name styling */
#scoreHud span#gpuName {
  max-width: none;
  overflow: visible;
  text-overflow: unset;
  white-space: nowrap;
  display: inline-block;
  vertical-align: bottom;
}

/* Responsive for small screens */
@media(max-width: 800px){
  #uiPanel, #uiPanel.compact {
    min-width: 90vw;
    max-width: 97vw;
    left:2vw;right:2vw;
    width:auto;
  }
  #scoreHud{min-width:0;right:2vw;}
}
@media(max-width:520px){
  #uiPanel, #uiPanel.compact {
    padding: 0;
    font-size: 98%;
    left: 0; top: 0;
    border-radius:0;
    border: none;
    min-width: 100vw;
    width: 100vw;
    max-width: 100vw;
    box-shadow: none;
  }
  #uiPanelHeader {
    border-radius:0;
    font-size: 97%;
    min-height: 33px;
  }
  #uiMenus {
    padding: 8px 1vw 1vw 1vw;
  }
  #scoreHud{right:9vw;top:8vw;}
}

/* Subtler animation for 3D model objects (motion blur/fade) */
.fade3d-appear {
  animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Responsive for HUD */
@media (max-width: 700px){
  #scoreHud {
    top: 7vw;
    right: 0.5vw;
    font-size: 13px;
    min-width: 76px;
    max-width: 99vw;
    padding: 8px 8px 5px 8px;
    border-radius: 7px;
    gap: 2px;
  }
  #scoreHud span#gpuName {
    white-space: normal;
  }
}
@media (max-width: 420px){
  #scoreHud {
    font-size: 11px;
    min-width: 0;
    padding: 6px 4px 4px 5px;
    gap: 1.2px;
    border-radius: 4.5px;
    max-width: 100vw;
    right: 0;
    left: auto;
  }
  #scoreHud span#gpuName { max-width: 55vw; }
}
@media (max-width: 360px){
  #scoreHud span#gpuName{max-width:36vw;}
}

/* THEME TOGGLE (bottom left): */
#themeToggleBox {
  position: absolute;
  left: 20px;
  bottom: 20px;
  width: 48px;
  height: 48px;
  background: var(--theme-toggle-bg);
  border-radius: 12px;
  border: 1px solid var(--theme-toggle-border);
  box-shadow: var(--theme-toggle-shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 200;
  backdrop-filter: blur(10px);
}

#themeToggleBox:hover, #themeToggleBox:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  border-color: var(--ui-accent);
  outline: none;
}

#themeToggleIcon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#themeSunMoon {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
}

#themeSunMoon .sun {
  fill: #ffd54f;
  transition: all 0.3s ease;
  transform-origin: center;
}

#themeSunMoon .moon {
  fill: #90a4ae;
  transition: all 0.3s ease;
  opacity: 0;
}

[data-theme="light"] #themeSunMoon .sun {
  transform: scale(0.8);
}

[data-theme="light"] #themeSunMoon .moon {
  opacity: 1;
}

/* GPU Overload Overlay */
#gpuOverlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(25, 5, 25, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(5px);
  opacity: 0;
  transition: opacity 0.5s ease-out;
  pointer-events: none;
}

#gpuOverlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.overlay-content {
  text-align: center;
  max-width: 500px;
  padding: 30px;
  border-radius: 16px;
  background: linear-gradient(135deg, #1a1429 0%, #130e1f 100%);
  border: 1px solid #a600ff;
  box-shadow: 0 0 30px rgba(166, 0, 255, 0.4);
}

.overlay-content svg {
  width: 64px;
  height: 64px;
  margin-bottom: 20px;
  color: #ee9696;
}

.overlay-content h2 {
  color: #ee9696;
  font-size: 28px;
  margin-bottom: 15px;
}

.overlay-content p {
  color: #d6c2ff;
  font-size: 18px;
  margin-bottom: 8px;
}

.fps-display {
  font-size: 20px !important;
  font-weight: bold;
}

.recommendation {
  margin-top: 25px;
  padding: 15px;
  background: rgba(80, 0, 120, 0.3);
  border-radius: 8px;
  border: 1px solid #a600ff;
  font-size: 16px;
  color: #c9a7ff;
}

/* Misc */
::selection {
  background: rgba(100, 181, 246, 0.3);
  color: var(--text-primary);
}