/* =========================================================
   kde-theme.css
   KDE-ish look & feel ONLY: tokens + skins + frame pieces
   ========================================================= */

/* -------------------------
   1) Theme tokens
------------------------- */
:root {
  --kde-bg: #c0c0c0;
  --kde-panel: #dcdad5;
  --kde-border: #888888;
  --kde-highlight: #ffffff;
  --kde-shadow: #444444;
  --kde-yellow: #f4f1c9;
  --kde-blue-bg: #0033aa;
  --kde-blue-text: #7cb7ff;

  /* Frame */
  --kde-frame-bg: #c6c297; /* pale yellowish-olive */
  --kde-frame-border-light: #f0f0e0;
  --kde-frame-border-dark: #6e6a49;
  --kde-frame-border-black: #161616;

  /* Background */
  --kde-teal-bg: #9DBEBE;
}

/* -------------------------
   2) Desktop background pattern
------------------------- */
body.kde-pattern {
  background:
    linear-gradient(45deg, #00000005 25%, transparent 25%) 0 0 / 60px 60px repeat,
    linear-gradient(-45deg, #00000005 25%, transparent 25%) 0 0 / 60px 60px repeat,
    radial-gradient(circle at 50% 50%, #00000003 20%, transparent 21%) 30px 30px / 60px 60px repeat,
    linear-gradient(135deg, #4e81b3 0%, #5c8cc2 70%, #4877a1 100%);
}

/* -------------------------
   3) App background "desktop window area" skin
   (NOTE: this is skin, not layout)
------------------------- */
#app-background {
  background-color: var(--kde-teal-bg);
  border: none;
}

/* -------------------------
   4) Frame corners (pixel SVGs)
------------------------- */
.corner {
  position: absolute;
  width: 4px;
  height: 4px;
  background-size: contain;
  background-repeat: no-repeat;
  z-index: 3;
}
.corner.top-left     { top: 0; left: 0; }
.corner.top-right    { top: 0; right: 0; }
.corner.bottom-left  { bottom: 0; left: 0; }
.corner.bottom-right { bottom: 0; right: 0; }

.corner.kde.top-left {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='4' height='4'><rect width='4' height='4' fill='%23dcdcdc'/><path d='M0,0 h4 v1 h-3 v3 h-1z' fill='%23ffffff'/><rect x='3' y='3' width='1' height='1' fill='%23222'/></svg>");
}
.corner.kde.top-right {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='4' height='4'><rect width='4' height='4' fill='%23dcdcdc'/><path d='M0,0 h4 v1 h-4 z' fill='%23ffffff'/><path d='M3,0 v4 h1 v-4 z' fill='%23ffffff'/><rect x='0' y='3' width='1' height='1' fill='%23222'/></svg>");
}
.corner.kde.bottom-left {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='4' height='4'><rect width='4' height='4' fill='%23dcdcdc'/><path d='M0,0 v4 h1 v-4 z' fill='%23ffffff'/><rect x='3' y='0' width='1' height='1' fill='%23222'/><rect x='0' y='3' width='4' height='1' fill='%23ffffff'/></svg>");
}
.corner.kde.bottom-right {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='4' height='4'><rect width='4' height='4' fill='%23dcdcdc'/><path d='M3,0 v4 h1 v-4 z' fill='%23ffffff'/><rect x='0' y='3' width='4' height='1' fill='%23ffffff'/><rect x='0' y='0' width='1' height='1' fill='%23222'/></svg>");
}

/* -------------------------
   5) Frame "lips" (bevel borders)
------------------------- */
.lip {
  flex-shrink: 0;
  position: relative;
  background: #ccc; /* fallback */
  z-index: 1;
}

/* Top / bottom */
.lip.top,
.lip.bottom {
  height: 4px;
  width: 100%;
  position: relative;
  z-index: 0; /* behind side lips */
}

.lip.top {
  margin-bottom: -1px; /* overlap under sides */
  background: linear-gradient(to bottom, #ffffff, #c7c7c7 50%, #161616);
  box-shadow: inset 0 1px 0 #ffffff, inset 0 -1px 0 #888888;
}
.lip.bottom {
  margin-top: -1px;
  background: linear-gradient(to top, #ffffff, #c7c7c7 50%, #161616);
  box-shadow: inset 0 -1px 0 #ffffff, inset 0 1px 0 #222;
}

/* Left / right */
.lip.left,
.lip.right {
  width: 4px;
  height: auto;
  z-index: 2; /* above top/bottom */
}

.lip.left {
  margin-right: -1px;
  background: linear-gradient(to right, #ffffff, #c7c7c7 50%, #161616);
  box-shadow: inset 1px 0 0 #ffffff, inset -1px 0 0 #222;
}
.lip.right {
  margin-left: -1px;
  background: linear-gradient(to left, #ffffff, #c7c7c7 50%, #161616);
  box-shadow: inset -1px 0 0 #ffffff, inset 1px 0 0 #222;
}

/* -------------------------
   6) KDE window/title bar skin
------------------------- */
.title-bar {
  width: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  border: none;
}

.title-row {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  width: 100%;
  position: relative;
  z-index: 2; /* above top/bottom lips */
}

.title-inner {
  flex: 1;
  border: 1px solid #222;
  background: linear-gradient(to bottom, #ffffff, #dcdcdc 50%, #888888);
  padding: 0;
}

.title-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 12px;
  width: 100%;
  box-sizing: border-box;
}

.title-text {
  font-style: normal;
  font-weight: bold;
  font-family: sans-serif;
  font-size: 16px;
}

/* -------------------------
   7) KDE panels (skin)
------------------------- */
.inner-panel {
  background-color: var(--kde-panel);
  border: 1px solid var(--kde-border);
  padding: 16px;
  box-shadow:
    inset 0 0 0 1px var(--kde-highlight),
    2px 2px 4px rgba(0, 0, 0, 0.3);
  border-radius: 4px;
}

/* -------------------------
   8) KDE buttons (skin)
------------------------- */
.button {
  min-width: 100px;
  padding: 4px 10px;
  box-shadow:
    -1px -1px 0 0 #fefefe,
     1px  1px 0 0 #666666;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
}

.button.kde {
  background: linear-gradient(to bottom, #e8e8e8 0%, #d0d0d0 95%);
  color: #111;
  font-family: sans-serif;
  font-weight: bold;
  border: 1px solid #444;
  outline: 1px solid #fff;
}

.button.kde:hover:not(.pressed) {
  background: linear-gradient(to bottom, #ffffff, #e0e0e0 80%, #c0c0c0);
}

.button.kde:active {
  box-shadow: inset -1px -1px 0 #fff, inset 1px 1px 0 #444;
}

.button.kde.pressed {
  box-shadow: inset 1px 1px 0 #888, inset -1px -1px 0 #fff;
}

button:disabled,
.button.kde:disabled {
  background: linear-gradient(to bottom, #e0e0e0, #c8c8c8 80%, #b0b0b0);
  color: #666;
  border: 1px solid #aaa;
  box-shadow: none;
  opacity: 0.7;
  cursor: default;
  text-shadow: 0 1px 0 #fff;
}