/* BALABALA application shell — themes and shared professional components. */

:root,
html[data-theme="day"] {
  color-scheme: light;
  --app-bg: #f4f7fb;
  --surface: #ffffff;
  --surface-muted: #edf2f7;
  --surface-strong: #e3ebf5;
  --text: #14213d;
  --text-muted: #5f6f85;
  --line: #d5dee9;
  --interactive: #0b5fc6;
  --interactive-hover: #084d9f;
  --on-interactive: #ffffff;
  --danger: #b4232f;
  --danger-hover: #901c26;
  --accent: #dba900;
  --focus: #c78f00;
  --header-bg: rgba(255, 255, 255, 0.96);
  --shadow-sm: 0 5px 18px rgba(20, 33, 61, 0.1);
  --shadow-card: 0 16px 42px rgba(20, 33, 61, 0.13);
  --shadow-popover: 0 22px 58px rgba(20, 33, 61, 0.2);

  --balabala-black: var(--text);
  --balabala-blue: var(--interactive);
  --balabala-red: var(--danger);
  --balabala-yellow: #f4c430;
  --balabala-green: #178447;
  --balabala-orange: #d97706;
  --balabala-pink: #b83280;
  --balabala-bg: var(--app-bg);
  --balabala-white: var(--surface);
  --balabala-gray: var(--text-muted);
  --balabala-light: var(--surface-muted);
  --border-width: 1px;
  --border-color: var(--line);
  --shadow-offset: 0;
  --shadow-color: transparent;
  --radius: 18px;
  --radius-sm: 12px;
}

html[data-theme="night"] {
  color-scheme: dark;
  --app-bg: #07111f;
  --surface: #101c2d;
  --surface-muted: #17263a;
  --surface-strong: #20334b;
  --text: #f5f8fc;
  --text-muted: #a9b8cc;
  --line: #30445e;
  --interactive: #2d86d6;
  --interactive-hover: #4b9ce3;
  --on-interactive: #ffffff;
  --danger: #d44a57;
  --danger-hover: #ea6470;
  --accent: #ffd34e;
  --focus: #ffd34e;
  --header-bg: rgba(9, 19, 33, 0.96);
  --shadow-sm: 0 7px 20px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 18px 46px rgba(0, 0, 0, 0.36);
  --shadow-popover: 0 24px 62px rgba(0, 0, 0, 0.56);

  --balabala-black: var(--text);
  --balabala-blue: var(--interactive);
  --balabala-red: var(--danger);
  --balabala-yellow: var(--accent);
  --balabala-green: #31b86b;
  --balabala-orange: #fb923c;
  --balabala-pink: #e879b0;
  --balabala-bg: var(--app-bg);
  --balabala-white: var(--surface);
  --balabala-gray: var(--text-muted);
  --balabala-light: var(--surface-muted);
  --border-color: var(--line);
}

html[data-theme="congo"] {
  color-scheme: light;
  --app-bg: #edf7fc;
  --surface: #ffffff;
  --surface-muted: #e6f3fa;
  --surface-strong: #d8ecf7;
  --text: #102a43;
  --text-muted: #536879;
  --line: #c5d9e6;
  --interactive: #0067b5;
  --interactive-hover: #00518f;
  --on-interactive: #ffffff;
  --danger: #ce1126;
  --danger-hover: #a90d1e;
  --accent: #e0ad00;
  --focus: #ce1126;
  --header-bg: rgba(247, 252, 255, 0.97);
  --shadow-sm: 0 6px 20px rgba(0, 92, 158, 0.12);
  --shadow-card: 0 18px 46px rgba(0, 92, 158, 0.15);
  --shadow-popover: 0 24px 58px rgba(0, 65, 115, 0.22);
  --flag-blue: #007fff;
  --flag-red: #ce1021;
  --flag-yellow: #f7d618;

  --balabala-black: var(--text);
  --balabala-blue: var(--interactive);
  --balabala-red: var(--danger);
  --balabala-yellow: var(--flag-yellow);
  --balabala-green: #14804a;
  --balabala-orange: #c66b00;
  --balabala-pink: #b83280;
  --balabala-bg: var(--app-bg);
  --balabala-white: var(--surface);
  --balabala-gray: var(--text-muted);
  --balabala-light: var(--surface-muted);
  --border-color: var(--line);
}

html {
  background: var(--app-bg);
}

body {
  background:
    radial-gradient(circle at 10% -10%, rgba(11, 95, 198, 0.08), transparent 32rem),
    var(--app-bg);
  color: var(--text);
  transition: background-color 180ms ease, color 180ms ease;
}

html[data-theme="congo"] body {
  background:
    linear-gradient(135deg, rgba(0, 127, 255, 0.055), transparent 32%),
    radial-gradient(circle at 90% 0, rgba(247, 214, 24, 0.11), transparent 28rem),
    var(--app-bg);
}

a {
  color: var(--interactive);
}

:where(a, button, input, select, textarea):focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.btn {
  min-height: 42px;
  padding: 10px 17px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  box-shadow: none;
  transition:
    transform 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--interactive) 42%, var(--line));
  box-shadow: var(--shadow-sm);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn.btn-sm {
  min-height: 38px;
  padding: 8px 13px;
  font-size: 0.84rem;
}

.btn.btn-lg {
  min-height: 50px;
  padding: 13px 22px;
  font-size: 1rem;
}

.btn-primary {
  background: var(--interactive);
  border-color: var(--interactive);
  color: var(--on-interactive);
}

.btn-primary:hover {
  background: var(--interactive-hover);
  border-color: var(--interactive-hover);
}

.btn-danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #ffffff;
}

.btn-danger:hover {
  background: var(--danger-hover);
  border-color: var(--danger-hover);
}

.btn-soft {
  background: var(--surface-muted);
  border-color: var(--line);
  color: var(--text);
}

.card,
.incident-card {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

.topbar,
.navbar,
.bottom-nav {
  background: var(--header-bg);
  border-color: var(--line);
  color: var(--text);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

html[data-theme="congo"] :where(.topbar, .navbar)::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background:
    linear-gradient(
      110deg,
      var(--flag-blue) 0 44%,
      var(--flag-yellow) 44% 46%,
      var(--flag-red) 46% 55%,
      var(--flag-yellow) 55% 57%,
      var(--flag-blue) 57% 100%
    );
  pointer-events: none;
}

.form-input,
.form-select,
.form-textarea {
  background: var(--surface);
  color: var(--text);
  border-color: var(--line);
}

.avatar,
.avatar img,
.profile-avatar,
.profile-avatar img,
.navbar-brand img {
  opacity: 1;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Three-state theme selector. */
.theme-switcher {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 4px;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-muted);
}

.theme-option {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text-muted);
  background: transparent;
  cursor: pointer;
  transition:
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.theme-option svg {
  width: 20px;
  height: 20px;
  pointer-events: none;
}

.theme-option:hover {
  color: var(--interactive);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
}

.theme-option[aria-checked="true"] {
  color: var(--interactive);
  background: var(--surface);
  border-color: color-mix(in srgb, var(--interactive) 36%, var(--line));
  box-shadow: 0 4px 12px rgba(0, 72, 128, 0.15);
}

.theme-option[data-theme-option="day"][aria-checked="true"] svg {
  animation: balabala-sun 220ms ease-out;
}

.theme-option[data-theme-option="night"][aria-checked="true"] svg {
  animation: balabala-moon 220ms ease-out;
}

.theme-option[data-theme-option="congo"][aria-checked="true"] svg {
  animation: balabala-flag 260ms ease-out;
}

@keyframes balabala-sun {
  from { transform: rotate(-80deg) scale(0.8); }
  to { transform: rotate(0) scale(1); }
}

@keyframes balabala-moon {
  from { transform: translateX(-3px) scale(0.88); opacity: 0.5; }
  to { transform: translateX(0) scale(1); opacity: 1; }
}

@keyframes balabala-flag {
  0% { transform: rotate(-3deg) scale(0.9); }
  65% { transform: rotate(2deg) scale(1.04); }
  100% { transform: rotate(0) scale(1); }
}

/* Avatar menu. */
.profile-menu {
  position: relative;
}

.profile-trigger {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 46px;
  padding: 3px 8px 3px 3px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.profile-trigger:hover {
  border-color: color-mix(in srgb, var(--interactive) 42%, var(--line));
}

.profile-avatar {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  overflow: hidden;
  border-radius: 11px;
  color: #ffffff;
  background: linear-gradient(145deg, var(--interactive), #113c72);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.profile-avatar img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-identity {
  display: grid;
  max-width: 130px;
  text-align: left;
  line-height: 1.15;
}

.profile-identity strong,
.profile-identity small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.profile-identity strong {
  font-size: 0.78rem;
}

.profile-identity small {
  margin-top: 3px;
  color: var(--text-muted);
  font-size: 0.66rem;
  font-weight: 700;
}

.profile-chevron {
  width: 15px;
  height: 15px;
  color: var(--text-muted);
  transition: transform 160ms ease;
}

.profile-trigger[aria-expanded="true"] .profile-chevron {
  transform: rotate(180deg);
}

.profile-dropdown {
  position: absolute;
  z-index: 1400;
  top: calc(100% + 9px);
  right: 0;
  width: min(292px, calc(100vw - 24px));
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow-popover);
}

.profile-dropdown[hidden] {
  display: none;
}

.profile-summary {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 10px 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
}

.profile-summary .profile-avatar {
  width: 44px;
  height: 44px;
  flex-basis: 44px;
  border-radius: 13px;
}

.profile-summary-copy {
  display: grid;
  min-width: 0;
}

.profile-summary-copy strong,
.profile-summary-copy span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.profile-summary-copy span {
  margin-top: 2px;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 650;
}

.profile-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font: 750 0.82rem var(--font);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.profile-menu-item:hover {
  background: var(--surface-muted);
  text-decoration: none;
}

.profile-menu-item svg {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
}

.profile-menu-item.danger {
  color: var(--danger);
}

.profile-menu-item.danger svg {
  color: currentColor;
}

.profile-menu-separator {
  height: 1px;
  margin: 6px 8px;
  background: var(--line);
}

.profile-layout {
  display: grid;
  grid-template-columns: minmax(140px, 170px) minmax(0, 1fr);
  gap: 26px;
}

.theme-announcer {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 3000;
  transform: translate(-50%, 12px);
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-popover);
  font-size: 0.78rem;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.theme-announcer.is-visible {
  transform: translate(-50%, 0);
  opacity: 1;
}

@media (max-width: 1080px) {
  .profile-identity {
    display: none;
  }
}

@media (max-width: 640px) {
  .profile-layout {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}