/* Visuelt system for Mikrofon Frekvenser.
   Hold beregnings- og layoutlogik ude af denne fil. */

:root,
html[data-theme="dark"] {
  --bg: #071017;
  --surface: #0e1a23;
  --surface2: #14242f;
  --surface3: #1b2e3a;
  --border: #263c49;
  --border-strong: #365262;
  --accent: #37d5d0;
  --accent2: #087f88;
  --accent-soft: rgba(55, 213, 208, 0.11);
  --accent-glow: rgba(55, 213, 208, 0.2);
  --green: #5bd48a;
  --orange: #f0b85a;
  --red: #ff756f;
  --text: #f2f7f8;
  --muted: #90a5af;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.16);
  --shadow-lg: 0 24px 70px rgba(0, 0, 0, 0.34);
  --font: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  color-scheme: dark;
}

body {
  background:
    radial-gradient(circle at 50% -10%, rgba(34, 156, 163, 0.18), transparent 34rem),
    linear-gradient(180deg, #08141c 0%, var(--bg) 38rem);
  background-attachment: fixed;
  letter-spacing: -0.005em;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 75%);
  pointer-events: none;
}

button,
input,
select {
  font: inherit;
}

.ui-icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -0.2em;
}

.ui-icon-inline {
  width: 15px;
  height: 15px;
  margin-right: 5px;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid rgba(55, 213, 208, 0.32);
  outline-offset: 2px;
}

.app {
  max-width: 720px;
  padding: 20px 18px calc(56px + env(safe-area-inset-bottom, 0px));
}

.header {
  position: relative;
  margin-bottom: 24px;
  padding: calc(28px + env(safe-area-inset-top, 0px)) 64px 26px;
  border-bottom: 0;
}

.header::after {
  position: absolute;
  right: 12%;
  bottom: 0;
  left: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  content: "";
}

.header-icon {
  display: grid;
  width: 66px;
  height: 66px;
  margin: 0 auto 14px;
  place-items: center;
  border: 1px solid rgba(55, 213, 208, 0.32);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(55, 213, 208, 0.18), rgba(8, 127, 136, 0.08));
  box-shadow: 0 16px 50px rgba(9, 105, 113, 0.24), inset 0 1px rgba(255,255,255,0.09);
  filter: none;
}

.header-icon img {
  width: 56px;
  height: 56px;
  filter: drop-shadow(0 7px 13px rgba(30, 217, 232, 0.2));
}

.header-eyebrow {
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.header h1 {
  font-size: clamp(27px, 6vw, 34px);
  font-weight: 760;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.header p {
  max-width: 390px;
  margin: 8px auto 0;
  font-size: 13px;
  line-height: 1.55;
}

#projects-menu-btn {
  display: grid;
  width: 42px;
  height: 42px;
  padding: 0 !important;
  place-items: center;
  border-radius: 13px;
  color: var(--text);
}

#projects-menu-btn .ui-icon,
.theme-toggle-btn .theme-icon {
  width: 20px;
  height: 20px;
}

.theme-toggle-btn {
  position: absolute;
  top: calc(8px + env(safe-area-inset-top, 0px));
  left: 8px;
  display: grid;
  width: 42px;
  height: 42px;
  padding: 0;
  place-items: center;
  border-radius: 13px;
  color: var(--text);
}

.theme-icon {
  grid-area: 1 / 1;
  width: 20px;
  height: 20px;
  transition: opacity 160ms ease, transform 180ms ease;
}

html[data-theme="dark"] .theme-icon-moon,
html[data-theme="light"] .theme-icon-sun {
  opacity: 0;
  transform: scale(0.65) rotate(-20deg);
}

html[data-theme="dark"] .theme-icon-sun,
html[data-theme="light"] .theme-icon-moon {
  opacity: 1;
  transform: scale(1) rotate(0);
}

#projects-menu {
  border-color: var(--border-strong) !important;
  border-radius: var(--radius-lg) !important;
  background: color-mix(in srgb, var(--surface) 96%, transparent) !important;
  box-shadow: var(--shadow-lg) !important;
  backdrop-filter: blur(18px);
}

.section {
  position: relative;
  margin-bottom: 12px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255,255,255,0.018), transparent 44%), var(--surface);
  box-shadow: var(--shadow-sm);
}

.section-label {
  gap: 9px;
  margin-bottom: 11px;
  color: var(--text);
  font-size: 11px;
  font-weight: 730;
  letter-spacing: 0.095em;
}

.section-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.section-icon .ui-icon {
  width: 15px;
  height: 15px;
}

.segment {
  gap: 4px;
  padding: 4px;
  border-color: transparent;
  border-radius: 11px;
  background: var(--bg);
  box-shadow: inset 0 0 0 1px var(--border);
}

.segment button {
  min-height: 39px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 650;
  transition: color 160ms ease, background 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.segment button:hover:not(.active) {
  color: var(--text);
  background: rgba(255,255,255,0.035);
}

.segment button.active {
  background: linear-gradient(135deg, #0b9299, #076b78);
  box-shadow: 0 5px 16px rgba(4, 93, 105, 0.3), inset 0 1px rgba(255,255,255,0.13);
}

input[type="text"],
textarea,
select {
  min-height: 45px;
  border-color: var(--border);
  border-radius: 11px;
  background-color: var(--bg);
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.12);
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

input[type="text"]:hover,
textarea:hover,
select:hover {
  border-color: var(--border-strong);
}

input[type="text"]:focus,
textarea:focus,
select:focus {
  border-color: var(--accent2);
  background-color: color-mix(in srgb, var(--bg) 92%, var(--accent));
  box-shadow: 0 0 0 3px rgba(55, 213, 208, 0.1);
}

textarea {
  box-sizing: border-box;
  width: 100%;
  padding: 11px 12px;
  color: var(--text);
  font: 500 15px/1.55 var(--mono);
  outline: none;
  resize: vertical;
}

textarea::placeholder {
  color: var(--muted);
  opacity: 0.65;
}

.field-help,
.field-status {
  margin-top: 7px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.45;
}

.field-status.is-valid { color: var(--green); }
.field-status.is-error { color: var(--red); }
.manual-ranges-list {
  display: grid;
  gap: 9px;
}

.manual-range-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto 38px;
  align-items: end;
  gap: 8px;
}

.manual-range-field {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.manual-range-field > span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.manual-range-field input {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 650;
  text-align: center;
}

.manual-range-separator,
.manual-range-unit {
  min-height: 45px;
  display: flex;
  align-items: center;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

.manual-range-separator { font-size: 16px; }

.manual-range-remove,
.manual-range-remove-space {
  width: 38px;
  min-height: 45px;
}

.manual-range-remove {
  border: 1px solid var(--border);
  border-radius: 11px;
  background: color-mix(in srgb, var(--surface2) 88%, var(--red));
  color: var(--red);
  cursor: pointer;
  font-size: 21px;
  line-height: 1;
}

.manual-range-remove:active { transform: scale(0.97); }

.manual-range-add {
  width: 100%;
  margin-top: 10px;
  text-align: center;
}

.manual-range-add span {
  margin-right: 4px;
  color: var(--accent);
  font-size: 17px;
}

.manual-ranges-warning { margin-top: 12px; }

@media (max-width: 390px) {
  .manual-range-row {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) 36px;
    gap: 6px;
  }
  .manual-range-unit { display: none; }
  .manual-range-remove,
  .manual-range-remove-space { width: 36px; }
}

.btn {
  min-height: 42px;
  border-radius: 11px;
  font-weight: 680;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease, color 150ms ease, opacity 150ms ease;
}

.btn:active:not(:disabled),
.search-btn:active:not(:disabled) {
  transform: translateY(1px) scale(0.99);
}

.btn-primary {
  background: linear-gradient(135deg, #0b9299, #076b78);
  box-shadow: 0 8px 20px rgba(4, 93, 105, 0.2);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #12aab0, #087b88);
}

.btn-primary:disabled {
  box-shadow: none;
}

#confirm-btn {
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

.btn-outline,
.btn-icon {
  border-color: var(--border);
  background: rgba(255,255,255,0.015);
}

.btn-outline:hover,
.btn-icon:hover {
  border-color: var(--accent2);
  background: var(--accent-soft);
}

.btn-icon.loading {
  animation: none;
}

.btn-icon.loading .ui-icon {
  animation: spin 0.8s linear infinite;
}

.stepper {
  border-color: var(--border);
  border-radius: 12px;
  background: var(--bg);
}

.stepper button {
  color: var(--accent);
  font-weight: 450;
}

.stepper-val {
  border-color: var(--border);
  font-size: 17px;
  font-weight: 720;
}

.toggle-track {
  width: 46px;
  height: 26px;
  border-color: var(--border-strong);
  background: var(--bg);
}

.toggle-thumb {
  width: 20px;
  height: 20px;
}

input[type=checkbox]:checked + .toggle-track {
  border-color: #0c9da2;
  background: linear-gradient(135deg, #13a9aa, #087782);
}

input[type=checkbox]:checked + .toggle-track .toggle-thumb {
  transform: translateX(20px);
}

.search-btn {
  min-height: 55px;
  margin-top: 10px;
  border: 1px solid rgba(72, 234, 224, 0.24);
  border-radius: 15px;
  background: linear-gradient(135deg, #11a8a8 0%, #087580 60%, #075965 100%);
  box-shadow: 0 16px 34px rgba(5, 105, 111, 0.27), inset 0 1px rgba(255,255,255,0.14);
  font-size: 15px;
  letter-spacing: 0.01em;
}

.search-btn:hover {
  background: linear-gradient(135deg, #20bdb8 0%, #098892 60%, #076975 100%);
  box-shadow: 0 18px 38px rgba(5, 105, 111, 0.35), inset 0 1px rgba(255,255,255,0.18);
}

.search-btn:disabled {
  border-color: var(--border);
  background: var(--surface);
  box-shadow: none;
  opacity: 0.68;
}

.receiver-row,
.freq-card {
  border-color: var(--border);
  border-radius: 14px;
  background: var(--surface2);
}

.freq-card {
  padding: 16px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.1);
}

.freq-card:hover {
  border-color: rgba(55, 213, 208, 0.48);
  background: color-mix(in srgb, var(--surface2) 94%, var(--accent));
}

.freq-num {
  color: var(--accent);
  font-size: 23px;
  font-weight: 760;
  letter-spacing: -0.055em;
  text-shadow: 0 0 22px var(--accent-glow);
}

.freq-name-input {
  border-color: var(--border);
  border-radius: 8px;
  background: var(--bg);
}

.group-header {
  border-color: rgba(55, 213, 208, 0.22);
  border-radius: 12px;
  background: var(--accent-soft);
}

.group-header-name,
.bank-msg {
  color: var(--accent);
}

.group-header-name {
  display: flex;
  align-items: center;
}

.results-overlay {
  background: rgba(1, 8, 12, 0.78);
  backdrop-filter: blur(10px);
}

.results-sheet {
  max-width: 760px;
  border-color: var(--border-strong);
  border-radius: 24px 24px 0 0;
  box-shadow: var(--shadow-lg);
}

.results-header {
  padding: 22px 22px 17px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  backdrop-filter: blur(18px);
}

.results-header-info h2 {
  font-size: 22px;
  letter-spacing: -0.025em;
}

.results-body {
  padding: 20px;
}

.results-section-title {
  color: var(--text);
  letter-spacing: 0.11em;
}

.close-btn {
  width: 38px;
  height: 38px;
  border-color: var(--border);
  background: var(--surface2);
}

.close-btn .ui-icon {
  width: 17px;
  height: 17px;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

#gps-btn {
  display: grid;
  place-items: center;
}

.icon-action {
  display: inline-grid;
  width: 36px;
  height: 36px;
  min-width: 36px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255,255,255,0.015);
  color: var(--muted);
  cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease, background 150ms ease, transform 150ms ease, opacity 150ms ease;
}

.icon-action .ui-icon {
  width: 16px;
  height: 16px;
}

.icon-action:hover:not(:disabled) {
  transform: translateY(-1px);
}

.danger-action {
  color: var(--red);
}

.danger-action:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--red) 55%, var(--border));
  background: color-mix(in srgb, var(--red) 10%, transparent);
}

.icon-action:disabled {
  opacity: 0.28;
  cursor: not-allowed;
}

.setup-group-card {
  max-width: 100%;
  margin-bottom: 12px;
  padding: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 15px;
  background: linear-gradient(145deg, rgba(55,213,208,0.035), transparent 42%), var(--surface2);
  box-sizing: border-box;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.setup-group-card:focus-within {
  border-color: rgba(55, 213, 208, 0.42);
  box-shadow: 0 0 0 3px rgba(55, 213, 208, 0.06);
}

.setup-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.setup-group-name {
  flex: 1 1 150px;
  min-width: 0;
  min-height: 42px !important;
  font-size: 14px !important;
  font-weight: 680;
}

.setup-span-select {
  flex: 0 1 132px;
  width: auto;
  min-width: 118px;
  min-height: 42px;
  padding-top: 7px;
  padding-bottom: 7px;
  font-size: 13px;
}

.setup-group-card .receiver-row {
  display: grid;
  grid-template-columns: minmax(105px, 1fr) auto 36px;
  align-items: center;
  margin-bottom: 7px;
  padding: 10px;
  flex-wrap: nowrap;
  border-color: var(--border);
  background: var(--bg);
}

.setup-group-card .receiver-row select {
  width: 100%;
  min-width: 0;
  min-height: 40px;
  font-size: 14px;
}

.setup-group-card .receiver-row .stepper {
  min-height: 40px;
}

.setup-group-card .receiver-row .stepper button {
  width: 36px;
  height: 40px;
}

.setup-group-card .receiver-row .stepper-val {
  height: 38px;
  min-width: 38px !important;
}

@media (max-width: 360px) {
  .setup-group-card .receiver-row {
    grid-template-columns: minmax(0, 1fr) auto 36px;
    gap: 6px;
    padding: 8px;
  }

  .setup-group-card .receiver-row .stepper button {
    width: 32px;
  }

  .setup-group-card .receiver-row .stepper-val {
    min-width: 32px !important;
  }
}

.add-receiver-btn {
  width: 100%;
  min-height: 38px;
  margin-top: 3px;
  padding: 6px 10px;
  font-size: 12px;
}

.shared-frequency-list {
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px solid var(--border);
}

.shared-frequency-row {
  display: flex;
  max-width: 100%;
  margin-bottom: 6px;
  padding: 7px 9px;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  border: 1px solid rgba(91, 212, 138, 0.24);
  border-radius: 10px;
  background: rgba(91, 212, 138, 0.07);
  box-sizing: border-box;
}

#pull-icon .ui-icon {
  width: 17px;
  height: 17px;
}

.status-line,
.chip {
  border-radius: 10px;
}

.version-footer {
  margin-top: 26px;
  letter-spacing: 0.035em;
}

@media (min-width: 760px) {
  .app {
    padding-top: 34px;
    padding-bottom: 72px;
  }

  .header {
    padding-top: 34px;
    padding-bottom: 32px;
  }

  .section {
    padding: 20px 22px;
  }

  .results-overlay {
    align-items: center;
    padding: 28px;
  }

  .results-sheet {
    height: min(900px, calc(100vh - 56px));
    border-bottom: 1px solid var(--border-strong);
    border-radius: 24px;
  }
}

@media (max-width: 520px) {
  .app {
    padding-right: 12px;
    padding-left: 12px;
  }

  .header {
    padding-right: 48px;
    padding-left: 48px;
  }

  .header p {
    font-size: 12px;
  }

  .section {
    padding: 15px;
  }

  .input-row {
    flex-wrap: wrap;
  }

  .input-row > div:first-child {
    min-width: 100%;
  }

  .input-row > .btn-primary {
    flex: 1;
  }
}

html[data-theme="light"] {
  --bg: #edf4f5;
  --surface: #ffffff;
  --surface2: #f4f8f9;
  --surface3: #e7f0f2;
  --border: #cfdee2;
  --border-strong: #abc3c9;
  --accent: #007d82;
  --accent2: #087780;
  --accent-soft: rgba(0, 125, 130, 0.09);
  --accent-glow: rgba(0, 125, 130, 0.12);
  --green: #187a45;
  --orange: #9a5c00;
  --red: #bb322e;
  --text: #10242c;
  --muted: #607780;
  --shadow-sm: 0 8px 24px rgba(36, 69, 78, 0.08);
  --shadow-lg: 0 24px 70px rgba(36, 69, 78, 0.18);
  color-scheme: light;
}

html[data-theme="dark"] body {
  background:
    radial-gradient(circle at 50% -10%, rgba(34, 156, 163, 0.18), transparent 34rem),
    linear-gradient(180deg, #08141c 0%, var(--bg) 38rem);
}

html[data-theme="dark"] body::before {
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
}

html[data-theme="dark"] .section {
  background: linear-gradient(145deg, rgba(255,255,255,0.018), transparent 44%), var(--surface);
}

html[data-theme="dark"] .results-overlay {
  background: rgba(1, 8, 12, 0.78);
}

html[data-theme="light"] body {
  background:
    radial-gradient(circle at 50% -10%, rgba(23, 166, 169, 0.13), transparent 34rem),
    linear-gradient(180deg, #f7fbfb 0%, var(--bg) 38rem);
}

html[data-theme="light"] body::before {
  background-image:
    linear-gradient(rgba(14, 55, 65, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 55, 65, 0.025) 1px, transparent 1px);
}

html[data-theme="light"] .section {
  background: linear-gradient(145deg, rgba(0, 125, 130, 0.025), transparent 44%), var(--surface);
}

html[data-theme="light"] .setup-group-card {
  background: linear-gradient(145deg, rgba(0,125,130,0.025), transparent 42%), var(--surface2);
}

html[data-theme="light"] .segment button.active,
html[data-theme="light"] .btn-primary:not(:disabled),
html[data-theme="light"] .search-btn:not(:disabled) {
  color: #fff;
}

html[data-theme="light"] .results-overlay {
  background: rgba(21, 42, 48, 0.5);
}

@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;
  }
}

@media print {
  body::before { display: none !important; }
}