/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2026 Objective Development Software GmbH */

:root {
  /* ── Surface colors ──────────────────────────────────── */
  --bg: #f6f8fc;
  --bg-tint: #e3eefb;        /* radial-gradient highlight blending into --bg */
  --surface: #ffffff;
  --surface-muted: rgba(0,0,0, 0.03);
  --line: rgb(224, 224, 224);
  --line-hover: rgb(150, 150, 150);
  --hover: rgba(0,0,0, 0.08);

  /* ── Text colors ─────────────────────────────────────── */
  --text: rgba(0,0,0, 0.94);
  --text-muted: rgba(0,0,0, 0.5);
  --text-disabled: rgba(0,0,0, 0.3);
  --disabled-opacity: 0.45;                  /* opacity of child elements under .is-disabled */

  /* ── Accent colors ───────────────────────────────────── */
  --accent: #1a79d2;
  --accent-soft: #e7f2fd;
  --accent-border: #b8d5f4;
  --on-accent: rgba(255, 255, 255, 0.9);         /* text/icons on --accent backgrounds */

  /* ── Shadows ─────────────────────────────────────────── */
  --shadow:        0 4px 22px rgba(22, 32, 66, 0.08);
  --shadow-subtle: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-heavy:  2px 10px 24px rgba(0, 0, 0, 0.3);

  /* ── Row / header layout tokens ─────────────────────── */
  --pane-hdr-h: 36px;
  --row-h: 32px;
  --row-hover-bg: var(--hover);
  --row-selected-bg: var(--accent-soft);
  --row-selected-hover-bg: var(--hover);
  
  --selection-border: #8dbce6;
  --chart-select-bg: rgba(13, 106, 191, 0.12);

  /* ── Topbar control height ───────────────────────────── */
  /* shared between .menu-select, .filter-btn, and .time-filter-indicator */
  --topbar-control-h: 35px;

  /* ── Font stacks ─────────────────────────────────────── */
  --font-stack:     "Segoe UI", "Helvetica Neue", sans-serif;
  --font-mono:      ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --font-mono-code: "Cascadia Code", "Fira Mono", "Consolas", monospace;  /* nicer on Windows */

  /* ── Typography scale ────────────────────────────────── */
  --font-brand:   23px;  /* App name / logo */
  --font-heading: 18px;  /* Sub-titles (between dialog and brand) */
  --font-dialog:  16px;  /* Modal & dialog titles */
  --font-body:    14px;  /* Primary rows, tabs, interactive controls */
  --font-default: 13px;  /* General UI text, labels, inspector, pane headers */
  --font-meta:    12px;  /* Secondary metadata, timestamps, column headers */
  --font-micro:   11px;  /* Badges, counts, inactive text, overlays */

  /* ── Search input ────────────────────────────────────── */
  --search-clear-hover-bg: #b9c3d8;
  --search-focus-border: #80b8e6;
  --search-focus-ring:   rgba(13, 106, 191, 0.12);
  --search-active-ring:  rgba(13, 106, 191, 0.22);

  /* ── Danger state (destructive button hovers) ────────── */
  --danger-bg:   #fee2e2;
  --danger-text: #b91c1c;

  /* ── Error text ──────────────────────────────────────── */
  --error-text: #b13636;

  /* ── Warning / offline state ─────────────────────────── */
  --warning-bg:     #fff3cd;
  --warning-border: #e6b800;
  --warning-text:   #7a5800;

  /* ── Recent activity tints (.last-event cells) ───────── */
  --allow-bg: rgba(0, 160, 60, 0.15);
  --deny-bg:  rgba(200, 0, 0, 0.13);
  --mixed-bg: rgba(180, 140, 0, 0.18);

  /* ── Search and locate highlights ───────────────────── */
  --search-highlight-bg: #ffe29a;  /* inline <mark> text highlight */
  --locate-highlight-bg: #fff4cf;  /* whole-row and input-area highlight */

  /* ── Modal and dialog backdrop overlays ─────────────── */
  --modal-overlay:  rgba(22, 32, 66, 0.35);
  --dialog-overlay: rgba(22, 32, 66, 0.24);

  /* ── SVG icon strokes ────────────────────────────────── */
  --allow-arrow: #2b2;
  --deny-arrow:  #ff3b30;

  /* ── Traffic chart series ────────────────────────────── */
  --traffic-total-stroke:   rgba(0, 0, 0, 0.3);
  --traffic-total-fill:     rgba(0, 0, 0, 0.1);
  --traffic-rx-stroke:      rgb(0, 124, 242);
  --traffic-rx-fill:        rgb(0, 124, 242, 0.15);
  --traffic-tx-stroke:      rgb(224, 60, 255);
  --traffic-tx-fill:        rgb(224, 60, 255, 0.15);
  --traffic-blocked-stroke: rgb(255, 59, 48);
  --traffic-blocked-fill:   rgb(255, 59, 48, 0.15);
}

html.dark {
  --bg: #16181f;
  --bg-tint: #1a2540;
  --surface: #1e2130;
  --hover: rgba(255,255,255, 0.08);
  --surface-muted: #252840;
   --line: #666;
  --line-hover: #aaa;
  --text: rgba(255, 255, 255, 0.94);
  --text-muted: rgba(255, 255, 255, 0.5);
  --text-disabled: rgba(226, 255, 255, 0.3);  /* --text at 40% opacity */
  --disabled-opacity: 0.40;
  --accent: #4d9de0;
  --accent-soft: #1a2d45;
  --accent-border: #2e5a8a;
  --shadow: 0 4px 22px rgba(0, 0, 0, 0.4);
  --chart-select-bg: rgba(77, 157, 224, 0.25);

  --danger-bg:   #3d1212;
  --danger-text: #f28b82;

  --error-text: #f28b82;

  --warning-bg:     #3a2e00;
  --warning-border: #7a6200;
  --warning-text:   #f5c842;

  --search-highlight-bg: #4a3800;
  --locate-highlight-bg: #3a3010;

  --modal-overlay:  rgba(0, 0, 0, 0.55);
  --dialog-overlay: rgba(0, 0, 0, 0.55);

  --traffic-total-stroke:   rgba(255, 255, 255, 0.3);
  --traffic-total-fill:     rgba(255, 255, 255, 0.1);
  --traffic-rx-stroke:     rgb(62, 170, 255);
  --traffic-rx-fill:        rgb(62, 170, 255, 0.15);
  --traffic-tx-stroke:      rgb(235, 136, 255);
  --traffic-tx-fill:        rgb(235, 136, 255, 0.15);
  --traffic-blocked-stroke: rgb(255, 59, 48);
  --traffic-blocked-fill:   rgb(255, 59, 48, 0.15);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  color: var(--text);
  background: radial-gradient(circle at top right, var(--bg-tint) 0%, var(--bg) 42%);
  font-family: var(--font-stack);
  font-size: var(--font-default);
}

body {
  min-width: 820px;
}

body * {
  scrollbar-color: var(--text) transparent;
}

input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration {
  appearance:none;
  -webkit-appearance:none;
}

.app-shell {
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
}

.app-header {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
  position: relative;
  z-index: 10;
}

.app-brand {
  font-size: var(--font-brand);
  color: var(--text-muted);
  white-space: nowrap;
}

.brand-name {
  font-weight: 700;
  color: var(--text);
}

.brand-connector {
  font-style: italic;
}

.brand-platform {
  color: var(--accent);
  font-weight: 700;
}

.header-tabs {
  display: flex;
  gap: 4px;
  align-items: center;
}

.tab {
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 8px;
  padding: 0px 14px;
  height: 35px;
  font-size: var(--font-body);
  cursor: pointer;
}

.tab:hover {
  background: var(--hover);
  color: var(--text);
}

.tab.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}

.theme-toggle {
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 8px;
  padding: 0px 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 4px;
  height: 35px;
}

.theme-toggle:hover {
  background: var(--hover);
  color: var(--text);
}

.offline-indicator {
  align-self: center;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  color: var(--warning-text);
  font-size: var(--font-meta);
  font-weight: 500;
}

/* ── Filter enabled switch ──────────────────────────────── */
.filter-switch {
  display: flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  user-select: none;
  color: var(--text-muted);
  font-size: var(--font-default);
  white-space: nowrap;
  margin: 0 auto;
}

.filter-switch:hover {
  color: var(--text);
}

.filter-switch-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.filter-switch-track {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
  width: 36px;
  height: 20px;
  background: var(--line);
  border-radius: 10px;
  transition: background 0.2s;
}

.filter-switch-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--surface);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s;
}

.filter-switch-input:checked ~ .filter-switch-track {
  background: var(--accent);
}

.filter-switch-input:checked ~ .filter-switch-track::after {
  transform: translateX(16px);
}

.filter-switch-label {
  display: inline-block;
  min-width: 11em;
}

.about-button {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: var(--font-brand);
  line-height: 1;
  padding: 4px 0 0 0px;
  cursor: pointer;
  opacity: 0.5;
}

.about-button:hover {
  opacity: 1;
  color: var(--accent);
}

/* About dialog */

.about-dialog {
  border: none;
  border-radius: 16px;
  padding: 0;
  box-shadow: var(--shadow);
  background: var(--surface);
  color: var(--text);
  width: 380px;
  max-width: 94vw;
}

.about-dialog::backdrop {
  background: var(--modal-overlay);
}

.about-dialog-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 36px 28px;
  gap: 6px;
  position: relative;
}

.about-close-button {
  position: absolute;
  top: 12px;
  right: 14px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
}

.about-close-button:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.about-icon {
  width: 96px;
  height: 96px;
  margin-bottom: 10px;
}

.about-name {
  font-size: var(--font-heading);
  font-weight: 700;
  color: var(--text);
  margin: 0 0 2px;
  text-align: center;
}

.about-version {
  font-size: var(--font-body);
  color: var(--text-muted);
  margin-bottom: 10px;
}

.about-commits {
  display: grid;
  grid-template-columns: auto auto;
  column-gap: 10px;
  row-gap: 3px;
  align-items: baseline;
  margin-bottom: 14px;
}

.about-commit-label {
  font-size: var(--font-micro);
  color: var(--text-muted);
  text-align: right;
}

.about-commit-value {
  font-size: var(--font-micro);
  font-family: var(--font-mono-code);
  color: var(--text);
  letter-spacing: 0.02em;
}

.about-copyright {
  font-size: var(--font-meta);
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 4px;
}

.about-website {
  font-size: var(--font-default);
  color: var(--accent);
  text-decoration: none;
  margin-bottom: 4px;
}

.about-website:hover {
  text-decoration: underline;
}

.about-credits {
  width: 100%;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

main {
  flex: 1;
  min-height: 0;
}

.section {
  display: none;
  flex-direction: column;
  height: 100%;
}

.section > *:not(:last-child) {
  margin-bottom: 10px;
}

.section > [data-section=connections],
.section > .h-splitter {
  margin: 0;
}

.section.is-active {
  display: flex;
}

.section-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.control-group {
  display: flex;
  gap: 8px;
  align-items: center;
}

.search-wrap {
  position: relative;
  display: inline-flex;
  gap: 4px;
  background-color: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  align-items: center;
  padding-left: 8px;
}

.search-wrap:focus-within {
  border-color: var(--search-focus-border);
  box-shadow: 0 0 0 3px var(--search-focus-ring);
}

.search-wrap.is-filtered {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px var(--search-active-ring);
}

.search-input {
  appearance: none !important;
  border: none;
  min-width: 260px;
  padding: 8px 10px 8px 0px;
  background: transparent;
  color: var(--text);
  font: inherit;
  height: var(--topbar-control-h);
}

.search-input:focus {
  border-color: transparent;
  box-shadow: none;
  outline: none;
  border: none;
}

.search-clear-button {
  position: absolute;
  display: block;
  appearance: none;
  right: 8px;
  width: 18px;
  height: 18px;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: var(--text-muted);
  background-color: transparent;
  transition: color 120ms ease, opacity 120ms ease;
}

.search-input:placeholder-shown + .search-clear-button {
  opacity: 0;
  pointer-events: none;
}

.search-clear-button:active {
  transform: scale(0.9);
}

.search-clear-button:hover {
  color: var(--text);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-default);
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}

.menu-wrap {
  position: relative;
}

.menu-button {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  color: var(--text);
}

.menu-button:hover {
  background: var(--surface-muted);
}

.popup-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: max-content;
  min-width: 190px;
  max-width: 280px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 6px;
  z-index: 20;
}

.menu-item {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 8px;
  cursor: pointer;
  font-size: var(--font-default);
}

.menu-item:hover {
  background: var(--surface-muted);
}

.menu-item:not(.is-selected)::before {
  content: "✓";
  color: transparent;
  font-weight: 700;
  margin-right: 2px;
}

.menu-item.is-selected::before {
  content: "✓";
  color: var(--accent);
}

.menu-select {
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: var(--font-meta);
  padding: 2px 6px;
  height: var(--topbar-control-h);
}

.filter-control {
  position: relative;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text-muted);
  padding: 0 12px;
  height: var(--topbar-control-h);
  font-size: var(--font-default);
  cursor: pointer;
  white-space: nowrap;
}

.filter-btn:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.filter-btn.is-active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.filter-chips {
  display: flex;
  gap: 4px;
  align-items: center;
}

.filter-chip {

  color: var(--accent);
  border-radius: 4px;
  padding: 1px 7px 1px 3px;
  font-size: var(--font-default);
  font-weight: 500;
  white-space: nowrap;
}

.filter-placeholder {
  color: inherit;
}

.filter-popup {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  width: max-content;
  min-width: 220px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow-heavy);
  padding: 8px;
  z-index: 30;
}

.filter-popup-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  padding: 5px 4px;
}

.filter-popup-row label {
  min-width: 72px;
  text-align: right;
}

.filter-popup-row select {
  width: 100%;
}

.filter-popup-label {
  font-size: var(--font-default);
  color: var(--text-muted);
  white-space: nowrap;
}

.menu-select.compact {
  margin-left: 0;
  min-width: 0;
  max-width: 180px;
  font-size: var(--font-default);
  padding: 0 8px;
}

.topbar-separator {
  width: 1px;
  height: 20px;
  background: var(--line);
  margin: 0 2px 0 6px;
}

.split-layout {
  flex: 1;
  min-height: 0;
  display: flex;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
}

.split-layout[data-section=connections] {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-bottom: none;
}

.pane {
  min-width: 180px;
  display: flex;
  flex-direction: column;
}

.left-pane {
  width: 48%;
}

.right-pane {
  flex: 1;
}

.splitter {
  width: 4px;
  cursor: col-resize;
  background: var(--line);
}

.splitter:active,
.splitter:hover {
  background: var(--line-hover);
}

.pane-title {
  display: flex;
  align-items: center;
  height: var(--pane-hdr-h);
  padding: 0 12px;
  font-size: var(--font-default);
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--line);
  box-sizing: border-box;
  text-transform: uppercase;
}

.pane-content {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 10px;
}

.list-container {
  padding: 3px 3px;
}

.list-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  margin-bottom: 8px;
  background: var(--surface);
  cursor: pointer;
}

.list-item.is-selected {
  border-color: var(--selection-border);
  background: var(--row-selected-bg);
}

/* Shared selection state — div-based list rows */
.row.is-selected,
.blocklist-entry-row.is-selected {
  background: var(--row-selected-bg);
  border-radius: 6px;
  border-bottom-color: transparent;
}

.row.is-selected:hover,
.blocklist-entry-row.is-selected:hover {
  background: var(--row-selected-hover-bg);
}

.details-block {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 10px;
}

.details-header {
  font-weight: 600;
  margin-bottom: 8px;
}

.empty-state {
  color: var(--text-muted);
  font-style: italic;
}

/* ── Undo capsule ──────────────────────────────────────── */
@keyframes undo-capsule-enter {
  0% {
    opacity: 0;
    transform: translateY(4px) scale(0.88);
    max-width: 36px;
  }
  40% {
    opacity: 1;
    transform: translateY(0) scale(1.03);
  }
  60% { max-width: 240px; }
  80% { transform: scale(0.98); }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    max-width: 240px;
  }
}

@keyframes undo-label-enter {
  0%   { opacity: 0; transform: translateX(-4px); }
  100% { opacity: 1; transform: translateX(0); }
}

.undo-widget {
  position: relative;
}

.undo-widget[hidden] {
  display: none;
}

/* Capsule — base state is shrunk (icon-only).
   max-width = padding-left(10) + icon(16) + padding-right(10) = 36px exactly,
   so no background gap appears to the right of the icon. */
.undo-capsule {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1.5px solid var(--accent-border);
  color: var(--accent);
  font-size: var(--font-default);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  outline: none;
  user-select: none;
  max-width: 36px;
  transition:
    max-width 0.5s cubic-bezier(0.4, 0, 0.2, 1),
    padding 0.5s cubic-bezier(0.4, 0, 0.2, 1),
    background 0.4s ease,
    border-color 0.4s ease,
    opacity 0.15s ease,
    transform 0.1s ease;
}

.undo-capsule:hover  { opacity: 0.8; }
.undo-capsule:active { transform: scale(0.95); }

/* Expanded (bubble) state */
.undo-widget.is-bubble .undo-capsule {
  padding: 6px 14px;
  background: var(--accent);
  border-color: transparent;
  color: var(--on-accent);
  max-width: 240px;
}

.undo-capsule-icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.undo-capsule-icon svg {
  width: 16px;
  height: 16px;
}

.undo-capsule-label {
  padding-left: 0;
  overflow: hidden;
  max-width: 0;
  opacity: 0;
  transform: translateX(-4px);
  transition:
    max-width 0.45s cubic-bezier(0.4, 0, 0.2, 1),
    padding-left 0.45s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.2s ease,
    transform 0.2s ease;
}

.undo-widget.is-bubble .undo-capsule-label {
  padding-left: 8px;
  max-width: 180px;
  opacity: 1;
  transform: translateX(0);
}

/* Popup overrides (inherits .popup-menu base styles) */
.undo-popup {
  min-width: 240px;
  max-width: 340px;
  left: 0;
  right: auto;
  z-index: 40;
}

/* Age label inside each popup row */
.undo-item-age {
  margin-left: auto;
  font-size: var(--font-meta);
  color: var(--text-muted);
  white-space: nowrap;
  padding-left: 12px;
}


/* Disabled items: color dims bare text nodes; opacity dims child elements.
   Apply .is-disabled to the element whose background should stay unaffected. */
.is-disabled {
  color: var(--text-disabled);
}

.is-disabled > * {
  opacity: var(--disabled-opacity);
}