/* system.css v1.0.0 by Saksham Chitnis */
/* https://sakofchit.github.io/system.css/ */
/* Color Palette - Apple 1986 System Style */
:root {
  --sys-color-bg: #a0a0a0;
  --sys-color-border-light: #ffffff;
  --sys-color-border-dark: #000000;
  --sys-color-window-frame: #444444;
  --sys-color-window-title: #ffffff;
  --sys-color-btn-face: #c0c0c0;
  --sys-color-btn-light: #ffffff;
  --sys-color-btn-dark: #000000;
  --sys-color-btn-shadow: #808080;
  --sys-color-btn-text: #000000;
  --sys-color-btn-text-disabled: #666666;
  --sys-color-input-bg: #ffffff;
  --sys-color-input-text: #000000;
  --sys-color-scrollbar-face: #a0a0a0;
  --sys-color-scrollbar-track: #c0c0c0;
  --sys-color-scrollbar-arrow: #000000;
  --sys-color-scrollbar-shadow: #ffffff;
  --sys-color-scrollbar-dark-shadow: #666666;
  --sys-font-family: 'Chicago', 'Geneva', sans-serif;
  --sys-font-size: 12px;
}
/* Base Styles */
* {
  box-sizing: border-box;
}
body {
  background-color: var(--sys-color-bg);
  font-family: var(--sys-font-family);
  font-size: var(--sys-font-size);
  margin: 0;
  padding: 1rem;
  color: var(--sys-color-btn-text);
  background-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxIiBoZWlnaHQ9IjEiPgogIDxyZWN0IHdpZHRoPSIxIiBoZWlnaHQ9IjEiIGZpbGw9IiNhMGEwYTAiLz4KPC9zdmc+');
  background-repeat: repeat;
}
/* Window Styles - Apple 1986 System */
.window {
  background-color: var(--sys-color-bg);
  border: 1px solid var(--sys-color-border-dark);
  padding: 0;
  margin-bottom: 1rem;
  min-width: 300px;
}

.title-bar {
  background-color: var(--sys-color-window-frame);
  color: var(--sys-color-window-title);
  padding: 3px 4px 2px 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: normal;
  line-height: 1;
  font-size: 11px;
}
.title-bar-text {
  margin: 0;
  flex-grow: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.title-bar-controls {
  display: flex;
  gap: 4px;
}

.title-bar-controls button {
  padding: 0;
  display: block;
  width: 20px;
  height: 16px;
  border: none;
  background-color: var(--sys-color-btn-face);
  color: var(--sys-color-btn-text);
  font-size: 10px;
  text-align: center;
  cursor: default;
  user-select: none;
  box-shadow: inset -1px -1px 0 0 var(--sys-color-border-dark), inset 1px 1px 0 0 var(--sys-color-border-light);
}

.title-bar-controls button:active {
  box-shadow: inset 1px 1px 0 0 var(--sys-color-border-dark), inset -1px -1px 0 0 var(--sys-color-border-light);
}

.title-bar-controls button[aria-label="Close"]::before {
  content: "×";
  font-weight: bold;
}

.window-body {
  padding: 16px;
  background-color: var(--sys-color-bg);
}
/* Button Styles - Apple 1986 System */
button,
.button {
  display: inline-block;
  min-width: 75px;
  height: 24px;
  padding: 0 12px;
  border: none;
  background-color: var(--sys-color-btn-face);
  color: var(--sys-color-btn-text);
  font-family: var(--sys-font-family);
  font-size: var(--sys-font-size);
  text-align: center;
  cursor: default;
  user-select: none;
  box-shadow: inset -1px -1px 0 0 var(--sys-color-border-dark), inset 1px 1px 0 0 var(--sys-color-border-light);
}

button:focus,
.button:focus {
  outline: 1px dotted var(--sys-color-border-dark);
  outline-offset: -4px;
}

button:active,
.button:active {
  box-shadow: inset 1px 1px 0 0 var(--sys-color-border-dark), inset -1px -1px 0 0 var(--sys-color-border-light);
}

button:disabled,
.button:disabled {
  color: var(--sys-color-btn-text-disabled);
  cursor: not-allowed;
  box-shadow: inset -1px -1px 0 0 var(--sys-color-border-dark), inset 1px 1px 0 0 var(--sys-color-border-light);
}
/* Input Styles - Apple 1986 System */
input,
select,
textarea {
  font-family: var(--sys-font-family);
  font-size: var(--sys-font-size);
  background-color: var(--sys-color-input-bg);
  color: var(--sys-color-input-text);
  border: none;
  padding: 2px 4px;
  box-shadow: inset -1px -1px 0 0 var(--sys-color-border-dark), inset 1px 1px 0 0 var(--sys-color-border-light);
}

input:focus,
select:focus,
textarea:focus {
  outline: 1px dotted var(--sys-color-border-dark);
  outline-offset: -4px;
}

input[type="radio"],
input[type="checkbox"] {
  appearance: none;
  width: 14px;
  height: 14px;
  margin: 0 6px 0 0;
  background-color: var(--sys-color-input-bg);
  position: relative;
  box-shadow: inset -1px -1px 0 0 var(--sys-color-border-dark), inset 1px 1px 0 0 var(--sys-color-border-light);
}

input[type="radio"] {
  border-radius: 50%;
}

input[type="radio"]:checked::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 6px;
  height: 6px;
  background-color: var(--sys-color-btn-text);
  border-radius: 50%;
}

input[type="checkbox"]:checked::before {
  content: "✓";
  position: absolute;
  top: -2px;
  left: 2px;
  font-size: 12px;
  font-weight: bold;
  color: var(--sys-color-btn-text);
}
/* Fieldset Styles - Apple 1986 System */
fieldset {
  border: 1px solid var(--sys-color-border-dark);
  padding: 8px;
  margin: 8px 0;
  box-shadow: inset -1px -1px 0 0 var(--sys-color-border-light), inset 1px 1px 0 0 var(--sys-color-border-dark);
}

legend {
  padding: 0 4px;
  font-size: var(--sys-font-size);
}

/* Scrollbar Styles - Apple 1986 System */
::-webkit-scrollbar {
  width: 15px;
  height: 15px;
  background-color: var(--sys-color-scrollbar-track);
}

::-webkit-scrollbar-thumb {
  background-color: var(--sys-color-scrollbar-face);
  border: 1px solid var(--sys-color-border-dark);
  box-shadow: inset -1px -1px 0 0 var(--sys-color-border-light), inset 1px 1px 0 0 var(--sys-color-border-dark);
}

::-webkit-scrollbar-corner {
  background-color: var(--sys-color-scrollbar-track);
}

::-webkit-scrollbar-button {
  width: 15px;
  height: 15px;
  background-color: var(--sys-color-scrollbar-face);
  border: 1px solid var(--sys-color-border-dark);
  background-repeat: no-repeat;
  background-position: center;
  box-shadow: inset -1px -1px 0 0 var(--sys-color-border-light), inset 1px 1px 0 0 var(--sys-color-border-dark);
}

::-webkit-scrollbar-button:vertical:decrement {
  background-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA8IDQiPgogIDxwYXRoIGZpbGw9IiMwMDAiIGQ9Ik00IDBMMCA0aDh6Ii8+Cjwvc3ZnPg==');
}

::-webkit-scrollbar-button:vertical:increment {
  background-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA4IDQiPgogIDxwYXRoIGZpbGw9IiMwMDAiIGQ9Ik0wIDBMODA0eiIvPgo8L3N2Zz4=');
}

::-webkit-scrollbar-button:horizontal:decrement {
  background-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA0IDgiPgogIDxwYXRoIGZpbGw9IiMwMDAiIGQ9Ik00IDBMNCA4IDB6Ii8+Cjwvc3ZnPg==');
}

::-webkit-scrollbar-button:horizontal:increment {
  background-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA0IDgiPgogIDxwYXRoIGZpbGw9IiMwMDAiIGQ9Ik0wIDBMNCA0IDB6Ii8+Cjwvc3ZnPg==');
}
/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: bold;
  margin: 0.5rem 0;
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.p-4 { padding: 1rem; }