*, *::before, *::after { box-sizing: border-box; }

:root {
  --bg: #f5f5f5;
  --sidebar-bg: #fff;
  --sidebar-border: #ddd;
  --header-bg: #2c3e50;
  --header-text: #fff;
  --label-color: #555;
  --opt-key-color: #bbb;
  --input-bg: #fff;
  --input-border: #ccc;
  --input-focus: #2980b9;
  --section-title-color: #999;
  --section-title-border: #eee;
  --status-color: #888;
  --status-border: #eee;
  --ab-bg: #eaeaea;
  --ab-border: #ccc;
  --ab-url-bg: #fff;
  --ab-url-border: #ccc;
  --ab-text: #333;
  --ab-muted: #999;
  --ab-expanded-bg: #fff;
  --ab-expanded-border: #ccc;
  --ab-expanded-shadow: rgba(0,0,0,.12);
  --ab-param-key: #2980b9;
  --ab-param-val: #555;
  --text-color: #333;
  --placeholder-color: #aaa;
  --claims-border: #eee;
  --claims-text: #666;
  --claims-bg: #fafafa;
  --claims-hover: #c0392b;
  --iframe-border: #bbb;
}

body.dark {
  --bg: #1a1a2e;
  --sidebar-bg: #16213e;
  --sidebar-border: #2a3550;
  --header-bg: #0f3460;
  --header-text: #c8d6e5;
  --label-color: #8fa8bf;
  --opt-key-color: #3a4a60;
  --input-bg: #1e2d45;
  --input-border: #2a3a55;
  --input-focus: #3a8fd4;
  --section-title-color: #3a4a60;
  --section-title-border: #1e2d45;
  --status-color: #3a4a60;
  --status-border: #1e2d45;
  --ab-bg: #0f1a2e;
  --ab-border: #2a3550;
  --ab-url-bg: #1a2740;
  --ab-url-border: #2a3550;
  --ab-text: #8fa8bf;
  --ab-muted: #3a4a60;
  --ab-expanded-bg: #1a2740;
  --ab-expanded-border: #2a3550;
  --ab-expanded-shadow: rgba(0,0,0,.4);
  --ab-param-key: #3a8fd4;
  --ab-param-val: #6a8fa0;
  --text-color: #c8d6e5;
  --placeholder-color: #2a3a55;
  --claims-border: #1e2d45;
  --claims-text: #3a6a8a;
  --claims-bg: #0f1a2e;
  --claims-hover: #e74c3c;
  --iframe-border: #2a3550;
}

body { margin: 0; font-family: Arial, sans-serif; background: var(--bg); color: var(--text-color); }
.layout { display: flex; height: 100vh; }

/* Sidebar */
.sidebar {
  width: 300px; flex-shrink: 0;
  background: var(--sidebar-bg); border-right: 1px solid var(--sidebar-border);
  display: flex; flex-direction: column; overflow-y: auto;
}
.sidebar header {
  padding: 16px; background: var(--header-bg); color: var(--header-text);
  font-size: 14px; font-weight: bold; letter-spacing: 0.5px; flex-shrink: 0;
}
.sidebar form { padding: 16px; flex: 1; }

.field { margin-bottom: 12px; }
label { display: block; font-size: 12px; font-weight: bold; color: var(--label-color); margin-bottom: 4px; }
input[type="text"], input[type="number"], select, textarea {
  width: 100%; padding: 7px 9px;
  border: 1px solid var(--input-border); border-radius: 4px; font-size: 13px;
  background: var(--input-bg); color: var(--text-color);
}
textarea { resize: vertical; min-height: 64px; font-family: monospace; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--input-focus); }

.opt-key {
  display: block; font-size: 10px; font-family: monospace;
  color: var(--opt-key-color); margin-top: 3px;
}

.section-title {
  font-size: 11px; font-weight: bold; text-transform: uppercase;
  color: var(--section-title-color); letter-spacing: 0.5px;
  margin: 16px 0 8px; padding-top: 12px;
  border-top: 1px solid var(--section-title-border);
}

.app-fields { display: none; }
.app-fields.visible { display: block; }

/* checkbox grids */
.cb-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 8px; margin-top: 2px; }
.cb-grid label {
  display: flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: normal;
  color: var(--label-color); cursor: pointer; margin: 0;
}
.cb-grid input[type="checkbox"] { width: auto; }

/* boolean fields (enable/flag rows) */
.bool-row { display: flex; align-items: center; gap: 6px; margin-bottom: 3px; }
.bool-row input { width: auto; }
.bool-row span { font-size: 12px; color: var(--label-color); }

/* group label (non-<label>) */
.group-label { font-size: 12px; font-weight: bold; color: var(--label-color); margin-bottom: 6px; }

button[type="submit"] {
  width: 100%; padding: 10px; background: #2980b9; color: #fff;
  border: none; border-radius: 4px; font-size: 14px; cursor: pointer; margin-top: 16px;
}
button[type="submit"]:hover { background: #2471a3; }

.status {
  padding: 8px 16px; font-size: 11px; color: var(--status-color);
  border-top: 1px solid var(--status-border); flex-shrink: 0;
}
.status.error { color: #c0392b; }

/* JWT claims panel */
.claims-panel { border-top: 1px solid var(--claims-border); flex-shrink: 0; }
.claims-panel summary {
  padding: 8px 16px; font-size: 11px; font-weight: bold; text-transform: uppercase;
  color: var(--section-title-color); letter-spacing: 0.5px; cursor: pointer; user-select: none;
}
.claims-panel pre {
  margin: 0; padding: 8px 16px; font-size: 10px; font-family: monospace;
  color: var(--claims-text); background: var(--claims-bg);
  white-space: pre-wrap; word-break: break-all; max-height: 180px; overflow-y: auto;
}
.claims-panel .exp-val { cursor: help; border-bottom: 1px dotted var(--claims-text); }
.claims-panel .exp-val:hover { color: var(--claims-hover); }

/* Content */
.content { flex: 1; display: flex; flex-direction: column; min-width: 0; }

/* Address bar */
.addressbar {
  position: relative;
  display: flex; align-items: center; gap: 6px;
  padding: 5px 10px; background: var(--ab-bg);
  border-bottom: 1px solid var(--ab-border); flex-shrink: 0;
  z-index: 10;
}
.ab-shield { font-size: 15px; color: #27ae60; flex-shrink: 0; line-height: 1; }
.ab-url-wrap {
  flex: 1; min-width: 0;
  background: var(--ab-url-bg); border: 1px solid var(--ab-url-border);
  border-radius: 12px; padding: 3px 12px;
  font-size: 12px; font-family: monospace; color: var(--ab-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  cursor: pointer; user-select: none;
}
.ab-url-wrap.empty { color: var(--ab-muted); font-style: italic; font-family: Arial, sans-serif; cursor: default; }
.ab-icon-btn {
  background: none; border: none; cursor: pointer; padding: 2px;
  font-size: 17px; line-height: 1; color: var(--ab-muted); flex-shrink: 0;
}
.ab-icon-btn:hover { color: var(--ab-text); }
.ab-star.active { color: #f39c12; }

/* Expanded URL panel */
.ab-expanded {
  display: none;
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--ab-expanded-bg);
  border: 1px solid var(--ab-expanded-border); border-top: none;
  box-shadow: 0 6px 12px var(--ab-expanded-shadow);
  padding: 10px 14px;
  font-size: 11px; font-family: monospace;
  z-index: 20; line-height: 1.7;
  max-height: 240px; overflow-y: auto;
}
.ab-expanded.visible { display: block; }
.ab-exp-method { color: var(--ab-muted); margin-bottom: 2px; }
.ab-exp-row { display: flex; gap: 4px; padding-left: 12px; }
.ab-exp-prefix { color: var(--ab-muted); flex-shrink: 0; }
.ab-exp-key { color: var(--ab-param-key); flex-shrink: 0; }
.ab-exp-eq { color: var(--ab-muted); flex-shrink: 0; }
.ab-exp-val { color: var(--ab-param-val); word-break: break-all; }

/* iframe */
.placeholder {
  flex: 1; display: flex; align-items: center; justify-content: center;
  color: var(--placeholder-color); font-size: 14px;
}
.iframe-wrap { flex: 1; display: none; padding: 64px; }
.iframe-wrap.visible { display: block; }
iframe {
  width: 100%; height: 100%;
  border: 3px dashed var(--iframe-border); border-radius: 6px;
}