:root {
  /* ========== BLUE THEME (DEFAULT) ========== */
  
  /* Background & Images */
  --background-image: url('/static/img/background.webp');
  --bg-color: #f5f6fa;
  
  /* Header */
  --header-bg: #0b1b2b;
  --header-text: #ffffff;
  --header-nav-link: #cccccc;
  --header-nav-link-hover: #ffffff;
  
  /* Accent Colors */
  --accent-color: #096dd9;
  --accent-hover: #0050b3;
  --accent-light: #afd2ff;
  --accent-border: #3b82f6;
  --accent-disabled: #6c757d;
  
  /* Cards & Containers */
  --card-bg: #ffffff;
  --card-border: #e0e0e0;
  --card-shadow: rgba(0, 0, 0, 0.05);
  --card-shadow-hover: rgba(0, 0, 0, 0.1);
  
  /* Container backgrounds with opacity & blur */
  --container-bg: rgba(129, 137, 168, 0.32);
  --container-blur: blur(10px);
  --container-shadow: rgba(0, 0, 0, 0.1);
  --container-inner-bg: rgba(255, 255, 255, 0.43);
  
  /* Text Colors */
  --text-dark: #333333;
  --text-medium: #3c3c3c;
  --text-heading: #444444;
  --text-label: #333333;
  --text-disabled: #6b7280;
  --text-selected: #333333;
  
  /* Borders */
  --border-color: #e0e0e0;
  --border-dashed: #cccccc;
  --border-light: #d1d5db;
  --border-medium: #9ca3af;
  --border-dark: #6b7280;
  
  /* Buttons */
  --button-bg: #ffffff;
  --button-border: #d1d5db;
  --button-hover-bg: #f3f4f6;
  --button-hover-border: #9ca3af;
  --button-selected-bg: #afd2ff;
  --button-selected-border: #3b82f6;
  --button-remove: #ffffff;
  --button-disabled-opacity: 0.5;
  --button-grainy-disabled-bg: #ffebee;
  --button-grainy-disabled-border: #ef5350;
  --button-grainy-disabled-text: #c62828;
  
  /* Toggle Switch */
  --toggle-bg-off: #9ca3af;
  --toggle-bg-on: #3b82f6;
  --toggle-slider-bg: #ffffff;
  
  /* Theme Toggle (in header) */
  --theme-toggle-off: #096dd9;
  --theme-toggle-on: #CEFF00;
  
  /* Scroll Gradients */
  --scroll-gradient-opacity: 0.5;
  --scroll-gradient-color: rgba(0, 0, 0, 0.5);
  
  /* Dropbox */
  --dropbox-dragover-bg: rgba(233, 247, 239, 0.7);
  
  /* Loading & Spinners */
  --spinner-border: #e5e7eb;
  --spinner-color: #3b82f6;
  --spinner-color-co: #00000000;
  --loading-text: #6b7280;
  
  /* Warnings & Alerts */
  --warning-bg: #bae7ff;
  --warning-border: #69c0ff;
  --warning-text: #003a8c;
  --warning-badge-bg: #096dd9;
  --warning-badge-text: #ffffff;
  
  /* Error */
  --error-text: #dc2626;
  
  /* Projected & Contact Areas */
  --projected-area-bg: rgba(0, 123, 255, 0.4);
  --projected-area-border: rgba(0, 123, 255, 0.6);
  --contact-area-bg: rgba(9, 109, 217, 0.6);
  --contact-area-border: rgba(9, 109, 217, 0.9);
  
  /* Toast Notifications */
  --toast-bg: #096dd9;
  --toast-text: #ffffff;
  --toast-shadow: rgba(0, 0, 0, 0.3);
  
  /* Filament Preview Tooltip */
  --tooltip-bg: #ffffff;
  --tooltip-border: #d1d5db;
  --tooltip-shadow: rgba(0, 0, 0, 0.15);
  --tooltip-text: #333333;
  
  /* Color Button Shadow */
  --color-button-shadow: rgba(59, 130, 246, 0.4);
  --color-button-hover-shadow: rgba(0, 0, 0, 0.15);
  
  /* Separator */
  --separator-color: #e5e7eb;
  
  /* Layout Constants (not theme-specific) */
  --header-height: 60px;
  --content-top: 50px;
  --sticky-top: var(--header-height) + var(--content-top);
}

/* ========== GREEN THEME ========== */
body.green-theme {
  /* Background & Images */
  --background-image: url('/static/img/background_green.webp');
  --bg-color: #f5f6fa;
  
  /* Header */
  --header-bg: #1a2b1a;
  --header-text: #ffffff;
  --header-nav-link: #cccccc;
  --header-nav-link-hover: #ffffff;
  
  /* Accent Colors */
  --accent-color: #CEFF00;
  --accent-hover: #b8e600;
  --accent-light: #e8ff99;
  --accent-border: #CEFF00;
  --accent-disabled: #6c757d;
  
  /* Cards & Containers */
  --card-bg: #ffffff08;
  --card-border: #e0e0e0;
  --card-shadow: rgba(0, 0, 0, 0.05);
  --card-shadow-hover: rgba(0, 0, 0, 0.1);
  
  /* Container backgrounds with opacity & blur */
  --container-bg: rgba(44, 79, 2, 0.36);
  --container-blur: blur(10px);
  --container-shadow: rgba(0, 0, 0, 0.1);
  --container-inner-bg: rgba(15, 26, 11, 0.63);
  
  /* Text Colors */
  --text-dark: #c6c6c6;
  --text-medium: #797979;
  --text-heading: #444444;
  --text-label: #797979;
  --text-disabled: #6b7280;
  --text-selected: #000000;
  
  /* Borders */
  --border-color: #d5d5d545;
  --border-dashed: #cccccc;
  --border-light: #d1d5db;
  --border-medium: #9ca3af;
  --border-dark: #6b7280;
  
  /* Buttons */
  --button-bg: #ffffff0d;
  --button-border: #d1d5db94;
  --button-hover-bg: #f3f4f6;
  --button-hover-border: #9ca3af;
  --button-selected-bg: #f4ffcf;
  --button-selected-border: #CEFF00;
  --button-disabled-opacity: 0.5;
  --button-remove: #000000;
  --button-grainy-disabled-bg: #4a1a1a;
  --button-grainy-disabled-border: #ef5350;
  --button-grainy-disabled-text: #ff8a80;
  
  /* Toggle Switch */
  --toggle-bg-off: #9ca3af;
  --toggle-bg-on: #CEFF00;
  --toggle-slider-bg: #ffffff;
  
  /* Theme Toggle (in header) */
  --theme-toggle-off: #096dd9;
  --theme-toggle-on: #CEFF00;
  
  /* Scroll Gradients */
  --scroll-gradient-opacity: 0.5;
  --scroll-gradient-color: rgba(0, 0, 0, 0.5);
  
  /* Dropbox */
  --dropbox-dragover-bg: rgba(233, 247, 239, 0.7);
  
  /* Loading & Spinners */
  --spinner-border: #f70202;
  --spinner-color: #CEFF00;
  --spinner-color-co: #00000000;
  --loading-text: #6b7280;
  
  /* Warnings & Alerts */
  --warning-bg: #e8ff9938;
  --warning-border: #CEFF00;
  --warning-text: #bbe800;
  --warning-badge-bg: #CEFF00;
  --warning-badge-text: #1a2b1a;
  
  /* Error */
  --error-text: #dc2626;
  
  /* Projected & Contact Areas */
  --projected-area-bg: rgba(206, 255, 0, 0.4);
  --projected-area-border: rgba(206, 255, 0, 0.6);
  --contact-area-bg: rgba(184, 230, 0, 0.6);
  --contact-area-border: rgba(184, 230, 0, 0.9);
  
  /* Toast Notifications */
  --toast-bg: #CEFF00;
  --toast-text: #1a2b1a;
  --toast-shadow: rgba(0, 0, 0, 0.3);
  
  /* Filament Preview Tooltip */
  --tooltip-bg: #ffffff;
  --tooltip-border: #d1d5db;
  --tooltip-shadow: rgba(0, 0, 0, 0.15);
  --tooltip-text: #333333;
  
  /* Color Button Shadow */
  --color-button-shadow: rgba(206, 255, 0, 0.4);
  --color-button-hover-shadow: rgba(0, 0, 0, 0.15);
  
  /* Separator */
  --separator-color: #e5e7eb;
}

body {
  margin: 0;
  padding-top: var(--header-height); /* Hely a fix headernek */
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  /* Háttérkép beállítása - torzításmentes minden felbontáson */
  background-image: var(--background-image);
  background-size: cover; /* Kitölti a képernyőt, arányosan vág */
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--text-dark);
  min-width: 1600px;
  overflow-y: auto; /* Csak akkor jelenik meg, ha szükséges */
  transition: background-image 0.3s ease;
}

/* ======= FEJLÉC ======= */
.header {
  background-color: var(--header-bg);
  color: var(--header-text);
  height: var(--header-height); /* Fix magasság */
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  overflow-x: hidden; /* Vízszintes görgetés elrejtése a headerben */
}

.header-wrap {
  width: 1275px; /* Same width as main-container */
  max-width: calc(100% - 100px); /* 50px margó mindkét oldalon */
  margin: 0 auto; /* Központosítás, mint a main-container */
  padding: 0;
  height: var(--header-height); /* Teljes header magasság */
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
}

.brand { font-size: 22px; font-weight: bold; }
.header-nav { display: flex; align-items: center; gap: 20px; }
.header-nav a { color: var(--header-nav-link); text-decoration: none; font-weight: 500; }
.header-nav a:hover { color: var(--header-nav-link-hover); }

/* Theme toggle switch in header */
.theme-toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  cursor: pointer;
}

.theme-toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.theme-toggle-slider {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--theme-toggle-off);
  border-radius: 24px;
  transition: background-color 0.3s ease;
}

.theme-toggle-slider:before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: var(--toggle-slider-bg);
  border-radius: 50%;
  transition: transform 0.3s ease;
}

.theme-toggle-switch input:checked + .theme-toggle-slider {
  background-color: var(--theme-toggle-on);
}

.theme-toggle-switch input:checked + .theme-toggle-slider:before {
  transform: translateX(20px);
}

.theme-toggle-switch:hover .theme-toggle-slider {
  opacity: 0.9;
}

/* ======= LAYOUT ======= */
.main-container {
  /* Container for file upload and settings blocks */
  width: 1275px; /* 1185px cards + 40px inner padding + 50px outer padding */
  max-width: calc(100% - 100px); /* 50px margó mindkét oldalon */
  margin: 0 auto;
  padding-top: var(--content-top); /* CSS változó használata */
  display: flex;
  flex-direction: column; /* Vertical stacking of blocks */
  gap: 30px; /* 30px gap between blocks */
  align-items: flex-start;
  box-sizing: border-box;
  flex-shrink: 0;
}

h2 { margin: 0; font-size: 20px; font-weight: 600; color: var(--text-heading); }
h3 { color: var(--text-dark); }

/* ======= DROPBOX ======= */
.dropbox-container {
  width: 100%; /* Fill parent (875px) */
  background-color: var(--container-bg);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 20px var(--container-shadow);
  backdrop-filter: var(--container-blur);
  box-sizing: border-box;
}

.dropbox-container-inner {
  background: var(--container-inner-bg);
  border-radius: 8px;
  padding: 20px;
  min-height: 193px;
  text-align: center;
  transition: background 0.3s;
  position: relative;
  cursor: pointer;
  box-sizing: border-box;
}

/* Hover effektus eltávolítva - nincs rá szükség */
.dropbox-container-inner.dragover { background: var(--dropbox-dragover-bg); }

.dropbox-instruction { margin-bottom: 30px; pointer-events: none; }
.dropbox-instruction .icon { font-size: 48px; margin-bottom: 10px; }
.dropbox-instruction h3 { margin: 5px 0; color: var(--text-dark); }
.dropbox-instruction p { margin: 0; color: var(--text-medium); font-size: 14px; }

/* ======= KÁRTYA GRID WRAPPER (Scrollable container) ======= */
.file-grid-wrapper {
  position: relative;
  width: 100%;
  transition: max-height 0.3s ease;
}

/* When there are more than 4 files (more than 1 row), limit height */
.file-grid-wrapper.scrollable {
  /* Total: 594px (left-section with blur)
     - 50px (left-section padding: 25px * 2)
     - 40px (dropbox-container padding: 20px * 2)
     - 110px (dropbox-instruction height with margin)
     = 394px for file-grid-wrapper */
  max-height: 351px;
  overflow: hidden;
}

.file-grid-wrapper.scrollable .file-grid {
  overflow-y: scroll;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* IE and Edge */
  max-height: 351px;
  padding-right: 5px; /* Small space to prevent clipping */
}

.file-grid-wrapper.scrollable .file-grid::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}

/* ======= KÁRTYA GRID (6 OSZLOP) ======= */
.file-grid {
  display: grid;
  /* MATEMATIKA:
     Left section belső szélesség: 1235px - 2*25px (padding) = 1185px
     6 kártya + 5 gap
     Kártya: 185px
     6 * 185px = 1110px
     Maradék: 1185 - 1110 = 75px
     Gap: 75px / 5 = 15px
  */
  grid-template-columns: repeat(6, 185px);
  gap: 15px;
  justify-content: start;
}

/* ======= SCROLL GRADIENTS ======= */
.scroll-gradient {
  position: absolute;
  left: 0;
  right: 0;
  height: 35px; /* Rövidebb gradiens */
  pointer-events: none;
  opacity: 0; /* Kezdeti érték, JavaScript állítja dinamikusan */
  transition: opacity 0.15s ease; /* Gyorsabb, simább átmenet */
  z-index: 5;
}

.scroll-gradient-top {
  top: 0;
  background: linear-gradient(to bottom, var(--scroll-gradient-color) 0%, rgba(0, 0, 0, 0) 100%);
}

.scroll-gradient-bottom {
  bottom: 0;
  background: linear-gradient(to top, var(--scroll-gradient-color) 0%, rgba(0, 0, 0, 0) 100%);
}

/* FILE CARD */
.file-card {
  /* Fix szélesség, sosem nyomódik össze */
  width: 185px;
  height: 240px; /* Csökkentett magasság a kompaktabb megjelenéshez */
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  padding: 8px;
  box-shadow: 0 2px 5px var(--card-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between; /* Elemek elosztása */
  position: relative;
  transition: transform 0.2s;
  cursor: default;
  box-sizing: border-box;
  overflow: hidden; /* Ha valami kilógna */
}
.file-card:hover { transform: translateY(-3px); box-shadow: 0 4px 10px var(--card-shadow-hover); }

.card-thumbnail {
  width: 100%;
  height: 150px; /* Csökkentett thumbnail magasság */
  background: var(--card-bg);
  border-radius: 4px;
  object-fit: contain;
  border: 1px solid var(--border-color);
}

/* MEGOLDÁS A 2. PONTRA (Hosszú nevek) */
.card-name {
  font-size: 13px; /* Kissé kisebb betűméret a kompaktabb megjelenéshez */
  font-weight: 600;
  text-align: center;
  color: var(--text-dark);
  
  /* Ezek kellenek a vágáshoz: */
  width: 100%;
  white-space: nowrap;      /* Nincs sortörés */
  overflow: hidden;         /* Ami kilóg, azt elrejtjük */
  text-overflow: ellipsis;  /* Három pont (...) a végére */
  padding: 0 5px;
  box-sizing: border-box;
}

.card-controls {
  display: flex;
  gap: 10px;
  width: 100%;
  justify-content: space-between;
  padding: 0 4px;
  margin-top: auto; /* Aljára tolja a gombokat */
}

.qty-input {
  width: 70px;
  padding: 5px;
  border: 1px solid var(--border-dashed);
  border-radius: 4px;
  text-align: center;
  font-size: 14px;
}

.btn-remove {
  background: var(--accent-color);
  color: var(--button-remove);
  border: none;
  border-radius: 4px;
  padding: 5px 10px; /* Kissé kisebb padding a kompaktabb megjelenéshez */
  cursor: pointer;
  font-size: 12px;
}
.btn-remove:hover { background: var(--accent-hover); }

.loading-overlay {
  position: absolute; top:0; left:0; right:0; bottom:0;
  background: rgba(255,255,255,0.9);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; color: var(--accent-color);
  z-index: 10;
  border-radius: 6px;
}



/* Toast */
.toast-notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--toast-bg);
    color: var(--toast-text);
    padding: 15px 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--toast-shadow);
    z-index: 9999;
    font-weight: 600;
    font-size: 16px;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    pointer-events: none;
}
.toast-notification.show { opacity: 1; }

/* LOW CONTACT AREA (Figyelmeztetés) */
.file-card.low-contact {
    background-color: var(--warning-bg);
    border-color: var(--warning-border);
}

.file-card.low-contact .card-name {
    color: var(--warning-text);
}

.file-card.low-contact::after {
    content: "⚠️ Low Contact";
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 10px;
    background: var(--warning-badge-bg);
    color: var(--warning-badge-text);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: bold;
}
/* Vetített felület (Kék/Szürke) */
.projected-area-vis {
    background-color: var(--projected-area-bg);
    border: 1px solid var(--projected-area-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Kontakt felület (Sötétebb kék árnyalat) */
.contact-area-vis {
    background-color: var(--contact-area-bg);
    border: 1px solid var(--contact-area-border);
}

/* ... a fájl vége ... */

/* UNSTABLE (Jelzés instabil geometriára) */
.file-card.unstable {
    background-color: var(--warning-bg);
    border-color: var(--warning-border);
}

.file-card.unstable .card-name {
    color: var(--warning-text);
}

.file-card.unstable::after {
    content: "⚠️ Unstable";
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 9px; /* Kissé kisebb a kompaktabb megjelenéshez */
    background: var(--warning-badge-bg);
    color: var(--warning-badge-text);
    padding: 2px 5px;
    border-radius: 3px;
    font-weight: bold;
}
/* ... a fájl vége ... */

/* ==================== SETTINGS CONTAINER (FILAMENT SELECTOR) ==================== */

/* Settings container - separate block below file upload */
.settings-container {
  width: 100%; /* Fill parent (875px) */
  background-color: var(--container-bg);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 4px 20px var(--container-shadow);
  backdrop-filter: var(--container-blur);
  box-sizing: border-box;
}

/* Inner content with white background */
.settings-content {
  background: var(--container-inner-bg);
  border-radius: 8px;
  padding: 20px;
  box-sizing: border-box;
}

/* Header section */
.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--separator-color);
  padding-bottom: 12px;
  margin-bottom: 0; /* No margin, let selector rows handle spacing */
}

.settings-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-dark);
}

/* Selector container */
.filament-selector-container {
  position: relative;
  min-height: 100px;
}

/* Main selector layout */
.filament-selector-main {
  display: flex;
  flex-direction: column;
  gap: 0; /* No gap, rows handle their own spacing */
}

/* Loading state */
.filament-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 30px;
  color: var(--loading-text);
  font-size: 14px;
}

.filament-loading .spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--spinner-border);
  border-top-color: var(--spinner-color);
  border-bottom-color: var(--spinner-color-co);
  border-left-color: var(--spinner-color-co);
  border-right-color: var(--spinner-color-co);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Error state */
.filament-error {
  padding: 20px;
  text-align: center;
  color: var(--error-text);
  font-size: 14px;
}

/* Main selector layout */
.filament-selector-main {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Selector row (Material, Subtype, Color) */
.selector-row {
  display: flex;
  align-items: center; /* Vertical center alignment for entire row */
  gap: 12px;
  padding: 10px 0; /* Reduced vertical padding (was 20px) */
  border-bottom: 1px solid var(--separator-color);
}

.selector-row:first-child {
  padding-top: 10px; /* Match bottom padding for symmetry */
}

.selector-row:last-child {
  border-bottom: none;
  padding-bottom: 0; /* No bottom padding for last row */
}

.selector-label {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-label);
  min-width: 70px;
  flex-shrink: 0;
}

/* Button group for Material and Subtype */
.button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1;
  align-items: center; /* Center buttons vertically when wrapping */
  align-content: center; /* Center wrapped rows */
}

/* Infill type buttons - don't expand, only take needed space */
#infill-type-buttons {
  flex: 0 0 auto;
}

.button-group button {
  padding: 6px 12px; /* Reduced padding for more compact buttons */
  border: 3px solid var(--button-border); /* Always 3px to prevent size jump */
  background: var(--button-bg);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500; /* Fixed weight */
  color: var(--text-dark); /* Always black */
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease; /* Only transition colors */
  user-select: none;
  box-sizing: border-box; /* Ensure consistent sizing */
  line-height: 1.2; /* Tighter line height */
}

.button-group button:hover {
  background: var(--button-hover-bg);
  border-color: var(--button-hover-border);
}

.button-group button.selected {
  background: var(--button-selected-bg);
  border-color: var(--button-selected-border);
  color: var(--text-selected); /* Keep text black */
}

.button-group button:disabled {
  opacity: var(--button-disabled-opacity);
  cursor: not-allowed;
}

/* Grainy filament restriction - disabled 0.1mm nozzle */
.button-group button.disabled-grainy {
  background: var(--button-grainy-disabled-bg) !important;
  border-color: var(--button-grainy-disabled-border) !important;
  color: var(--button-grainy-disabled-text) !important;
  opacity: 0.7;
  cursor: not-allowed;
  text-decoration: line-through;
}

.button-group button.disabled-grainy:hover {
  background: var(--button-grainy-disabled-bg) !important;
  border-color: var(--button-grainy-disabled-border) !important;
}

/* Color button group */
.color-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex: 1;
  align-items: center; /* Center color buttons vertically when wrapping */
  align-content: center; /* Center wrapped rows */
}

.color-button-group button {
  width: 32px;
  height: 32px;
  border: 2px solid var(--button-border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
  position: relative;
}

.color-button-group button:hover {
  transform: scale(1.15);
  border-color: var(--border-dark);
  box-shadow: 0 2px 8px var(--color-button-hover-shadow);
}

.color-button-group button.selected {
  border-color: var(--accent-border);
  border-width: 3px;
  transform: scale(1.2);
  box-shadow: 0 2px 12px var(--color-button-shadow);
}

.color-button-group button:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Slider container for infill percentage */
.slider-container {
  display: flex;
  align-items: center;
  gap: 15px;
  flex: 1;
}

.slider-container input[type="range"] {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--button-bg);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--button-selected-bg);
  cursor: pointer;
  border: 2px solid var(--button-selected-border);
  transition: transform 0.15s ease;
}

.slider-container input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-container input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--button-selected-bg);
  cursor: pointer;
  border: 2px solid var(--button-selected-border);
  transition: transform 0.15s ease;
}

.slider-container input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.2);
}

.slider-value {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-label);
  min-width: 20px;
  text-align: left;
}

/* Separator labels (between button groups) */
.infill-separator-label {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-label);
  margin-left: 8px;
  flex-shrink: 0;
}

/* Left section wrapper with fixed width */
.left-section-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 610px;
  flex-shrink: 0;
}

/* Right section wrapper for aligned labels */
.right-section-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.right-section-label {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-label);
  min-width: 105px;
  flex-shrink: 0;
  text-align: left;
  margin-left: 35px;
}

/* Calculated value display (e.g., layer height in mm) */
.calculated-value {
  font-weight: 600;
  font-size: 14px;
  color: var(--accent-color);
  margin-right: 100px;
  flex-shrink: 0;
}

/* Filament color preview tooltip */
.filament-image-preview {
  position: fixed;
  z-index: 10000;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
  background: var(--tooltip-bg);
  border: 2px solid var(--tooltip-border);
  border-radius: 8px;
  padding: 10px;
  box-shadow: 0 4px 12px var(--tooltip-shadow);
  max-width: 300px;
}

.filament-image-preview.visible {
  opacity: 1;
}

.filament-image-preview img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin-bottom: 8px;
}

.filament-image-preview .image-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--tooltip-text);
  text-align: center;
  line-height: 1.4;
  white-space: pre-line;
}

/* Tooltip without image - text only */
.filament-image-preview.text-only {
  padding: 8px 12px;
}

.filament-image-preview.text-only .image-label {
  margin: 0;
}

/* ==================== ACTION BUTTON (Price Calculation) ==================== */

/* Action button in header */
.action-button {
  background: var(--accent-color);
  color: var(--button-remove);
  border: none;
  border-radius: 6px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, opacity 0.2s;
}

.action-button:hover {
  background: var(--accent-hover);
}

.action-button:disabled {
  background: var(--accent-disabled);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Price calculation result area */
.price-calculation-result {
  margin-top: 15px;
  padding: 15px;
  background: var(--container-inner-bg);
  border-radius: 6px;
  min-height: 50px;
  display: none; /* Hidden by default */
}

.price-calculation-result.active {
  display: block;
}

/* Processing indicator */
.processing-indicator {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--accent-color);
  font-weight: 600;
}

.processing-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--spinner-border);
  border-top-color: var(--spinner-color);
  border-bottom-color: var(--spinner-color-co);
  border-left-color: var(--spinner-color-co);
  border-right-color: var(--spinner-color-co);
  border-top-color: var(--accent-color);
  border-radius: 50%;
  animation: spinner-rotate 0.8s linear infinite;
}

@keyframes spinner-rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.processing-text {
  font-size: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

#processing-message {
  color: var(--text-dark);
  font-weight: 500;
}

.processing-percentage {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-color);
}

/* Machine calculation cards */
.machine-card {
  /* Same size as file cards */
  width: 185px;
  min-height: 240px;
  height: auto;
  margin-bottom: 0; /* No margin, gap handles spacing */
}

.machine-card .file-info {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.machine-card .file-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: 10px;
  text-align: center;
}

.machine-card .machine-status {
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.machine-card .machine-message {
  color: var(--text-dark);
  font-weight: 500;
  font-size: 13px;
}

.machine-card .machine-percentage {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent-color);
}

.machine-card .basket-button {
  margin-top: 10px;
  width: 100%;
  padding: 10px;
  font-size: 14px;
}

/* Price calculation result with multiple cards in a grid (same as file-grid) */
.price-calculation-result {
  display: none;
  grid-template-columns: repeat(6, 185px);
  gap: 15px;
  justify-content: start;
  margin-top: 15px;
  /* Compensate for settings-content padding (20px) to match file-grid width */
  margin-left: -20px;
  margin-right: -20px;
  padding: 15px 20px;
  background: transparent;
  min-height: 50px;
}

.price-calculation-result.active {
  display: grid;
}