:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0c151f;
  color: #eef4f8;
  --panel: rgba(18, 32, 44, 0.88);
  --border: rgba(196, 225, 240, 0.14);
  --muted: #9db1be;
  --accent: #35b8a8;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 0%, rgba(37, 121, 156, 0.26), transparent 38rem),
    linear-gradient(160deg, #0c151f, #111e2a 55%, #0a1118);
}

main {
  width: min(3600px, calc(100% - clamp(24px, 5vw, 180px)));
  margin: 0 auto;
  padding: clamp(32px, 5vw, 88px) 0;
}

.login-page { min-height: 100vh; display: grid; place-items: center; padding: 28px 0; }
.login-card { width: min(560px, 100%); padding: clamp(26px, 4vw, 48px); border: 1px solid var(--border); border-radius: 24px; background: var(--panel); box-shadow: 0 24px 80px rgba(0, 0, 0, 0.36); }
.login-card h1 { margin-bottom: clamp(34px, 6vw, 64px); font-size: clamp(3rem, 9vw, 5.5rem); }
.login-copy { margin-bottom: 24px; }
.login-copy p:last-child { margin-bottom: 0; }
.login-form { display: grid; gap: 16px; }
.login-form label { display: grid; gap: 7px; color: #dce8ee; font-size: 0.86rem; font-weight: 700; }
.login-form input { width: 100%; }
.test-profile-link { display: block; margin-top: 20px; padding: 12px 16px; border: 1px solid var(--border); border-radius: 12px; color: #a8ddd7; text-align: center; font-weight: 800; text-decoration: none; }
.test-profile-link:hover { border-color: rgba(102, 211, 197, 0.55); background: rgba(53, 184, 168, 0.08); }

.site-header { max-width: none; display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, 560px); gap: clamp(28px, 5vw, 100px); align-items: end; }
.title-block { min-width: 0; }
.panel-identity { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
.panel-identity .eyebrow { margin: 0; }
.panel-switch { color: #a8ddd7; font-size: 0.82rem; font-weight: 700; }
.user-only { display: none; }
.user-panel .admin-only { display: none !important; }
.user-panel .user-only { display: block; }
.profile-note { margin: 12px 0 0; padding: 9px 11px; border-radius: 9px; background: rgba(53, 184, 168, 0.08); font-size: 0.78rem; }
.eyebrow, .channel-label {
  margin: 0 0 8px;
  color: #66d3c5;
  font-size: clamp(0.72rem, 0.55vw, 0.95rem);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 { margin: 0; font-size: clamp(3rem, 6vw, 7.5rem); line-height: 0.96; }
h2 { margin: 0 0 8px; font-size: clamp(1.1rem, 1.25vw, 1.8rem); }
p { color: var(--muted); line-height: 1.55; }
.muted { color: #8fa6b5; }
.status { display: inline-block; padding: 7px 12px; border-radius: 999px; background: #1b2a36; }
.status.good { color: #8cf2bd; }
.status.bad { color: #ff9d9d; }

.level-panel { align-self: end; padding: clamp(18px, 1.5vw, 28px); border: 1px solid var(--border); border-radius: clamp(16px, 1vw, 24px); background: var(--panel); box-shadow: 0 18px 50px rgba(0, 0, 0, 0.2); }
.level-heading, .level-readings, .level-scale { display: flex; justify-content: space-between; gap: 16px; }
.level-heading { align-items: flex-start; }
.level-heading h2 { margin: 0; }
.stereo-meters { display: grid; gap: 14px; margin-top: 18px; }
.channel-meter { min-width: 0; }
.level-readings { margin: 0 0 8px; align-items: center; color: var(--muted); font-size: 0.8rem; }
.level-readings > strong { min-width: 44px; color: #eef4f8; }
.level-readings > strong:first-child { max-width: 34%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.level-readings strong { margin-left: 5px; color: #eef4f8; font-variant-numeric: tabular-nums; }
.clip-indicator { padding: 5px 9px; border-radius: 999px; background: #20333d; color: #9db1be; font-size: 0.74rem; font-weight: 800; text-transform: uppercase; }
.channel-meter.clipping .clip-indicator { background: #7d252b; color: #ffe3e5; box-shadow: 0 0 0 4px rgba(255, 72, 83, 0.12); }
.level-bar { position: relative; height: 22px; overflow: hidden; border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 999px; background: linear-gradient(90deg, #238d67 0 80%, #d0a327 80% 95%, #d7434c 95% 100%); }
.level-mask { position: absolute; inset: 0 0 0 0; background: rgba(5, 13, 19, 0.88); transition: left 180ms linear; }
.peak-marker { position: absolute; top: -2px; bottom: -2px; left: 0; width: 3px; border-radius: 2px; background: #fff; box-shadow: 0 0 7px rgba(255, 255, 255, 0.75); transition: left 180ms linear; }
.channel-meter.idle .peak-marker { opacity: 0.3; }
.level-scale { margin-top: 6px; color: #78909e; font-size: 0.68rem; font-variant-numeric: tabular-nums; }
.input-label-form { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; gap: 9px; align-items: end; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); }
.input-label-form label { display: grid; min-width: 0; gap: 5px; color: #c9d7df; font-size: 0.74rem; }
.input-label-form label strong { color: #eef4f8; }
.input-label-form input { min-width: 0; padding: 8px 9px; font-size: 0.78rem; }
.input-label-form button { padding: 9px 11px; white-space: nowrap; font-size: 0.78rem; }
.level-panel > .setting-status { margin-bottom: 0; }
.snapshot-controls { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.snapshot-controls > div:first-child { display: grid; gap: 4px; color: #eef4f8; font-size: 0.78rem; }
.snapshot-controls > div:first-child span { color: var(--muted); line-height: 1.45; }
.snapshot-buttons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 10px; }
.snapshot-buttons button { padding: 9px 11px; font-size: 0.78rem; }
.snapshot-controls .setting-status { margin-bottom: 0; }

.channels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 1.5vw, 32px);
  margin: clamp(34px, 4vw, 70px) 0 clamp(18px, 1.5vw, 32px);
}

article, .player-panel, .event-panel, .library-panel, .catalog-panel {
  border: 1px solid var(--border);
  border-radius: clamp(16px, 1vw, 24px);
  background: var(--panel);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
}

.channels > article {
  min-height: clamp(310px, 29vw, 580px);
  padding: clamp(22px, 2vw, 42px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.tone-monitor { margin: 20px 0; padding: clamp(14px, 1.2vw, 24px); border: 1px solid var(--border); border-radius: 12px; }
.tone-monitor legend { padding: 0 6px; color: #c9d7df; font-size: 0.78rem; font-weight: 700; }
.tone-option { display: flex; align-items: flex-start; gap: 10px; margin: 10px 0; color: #eef4f8; cursor: pointer; }
.tone-option input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--accent); }
.tone-option small { display: block; margin-top: 2px; color: #8fa6b5; }
.setting-status { min-height: 1.2em; margin: 8px 0 0; color: #8fa6b5; font-size: 0.82rem; }
.setting-status.error { color: #ff9d9d; }
.reset-policy { margin-top: 16px; padding-top: 8px; border-top: 1px solid rgba(196, 225, 240, 0.12); }

.duration-setting, .inline-setting { display: flex; align-items: center; gap: 8px; margin: 12px 0; color: #c9d7df; font-size: 0.88rem; }
input[type="number"], input[type="text"], input[type="password"] { padding: 9px 11px; border: 1px solid rgba(196, 225, 240, 0.2); border-radius: 8px; background: #0b1721; color: #eef4f8; font: inherit; }
input[type="number"] { width: 86px; }
input[type="text"] { width: 100%; }
.duration-setting.disabled { opacity: 0.5; }

button { width: 100%; border: 0; border-radius: 12px; padding: 14px 18px; background: var(--accent); color: #061411; font: inherit; font-weight: 800; cursor: pointer; }
button:hover { background: #62d8ca; }
button:disabled { opacity: 0.45; cursor: default; }
button.secondary { width: auto; background: #263845; color: #e8f0f5; }
button.danger { width: auto; background: #512b32; color: #ffd7dc; }
button.compact { width: 100%; padding: 10px 12px; font-size: 0.85rem; }

.player-panel { padding: clamp(18px, 1.5vw, 28px); display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.audio-mode-control { display: flex; align-items: center; gap: 10px; margin-left: auto; color: #c9d7df; font-size: 0.84rem; font-weight: 700; }
.audio-mode-control select { padding: 9px 34px 9px 11px; border: 1px solid rgba(196, 225, 240, 0.2); border-radius: 8px; background: #0b1721; color: #eef4f8; font: inherit; }
.indicator { display: inline-block; width: 10px; height: 10px; margin-right: 9px; border-radius: 50%; background: #5c6b75; }
.indicator.active { background: #62e0b1; box-shadow: 0 0 0 5px rgba(98, 224, 177, 0.12); }
.indicator.connecting { background: #e5bb54; box-shadow: 0 0 0 5px rgba(229, 187, 84, 0.12); }
.indicator.interrupted { background: #e47777; box-shadow: 0 0 0 5px rgba(228, 119, 119, 0.12); }
#stream-player { width: 100%; min-height: 52px; border-radius: 10px; }

.event-panel, .library-panel, .catalog-panel { margin-top: clamp(18px, 1.5vw, 32px); padding: clamp(20px, 2vw, 38px); }
.overview-panel { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(320px, 1fr); gap: clamp(24px, 4vw, 70px); align-items: center; }
.user-panel .overview-panel { grid-template-columns: 1fr; }
.recording-setting { padding-left: clamp(0px, 2vw, 28px); border-left: 1px solid var(--border); }
.recording-setting > label { display: block; color: #eef4f8; font-weight: 700; }
.recording-setting p { margin: 8px 0 0; font-size: 0.88rem; }
.retention-setting { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--border); }
.retention-setting > label { display: block; color: #eef4f8; font-weight: 700; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
.section-heading p { margin-bottom: 0; }
.recordings-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr)); gap: clamp(14px, 1.2vw, 24px); margin-top: 24px; }
.catalog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 16px; align-items: start; }
.recording-card, .catalog-card { min-width: 0; padding: clamp(16px, 1.4vw, 26px); border: 1px solid var(--border); border-radius: 14px; background: rgba(8, 19, 28, 0.48); }
.catalog-card { padding: 15px 16px; }
.recording-card header { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.recording-card h3, .catalog-card h3 { margin: 0; font-size: 1rem; }
.recording-card p, .catalog-card p { margin: 7px 0; font-size: 0.88rem; }
.recording-card audio { width: 100%; margin: 12px 0; }
.recording-pairs { display: grid; gap: 12px; margin-top: 8px; }
.recording-pair { min-width: 0; }
.multiple-dispatch .recording-pair { padding: 14px; border: 1px solid var(--border); border-radius: 12px; background: rgba(4, 14, 22, 0.36); }
.recording-pair-header { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.recording-pair-header h4 { margin: 0; font-size: 0.94rem; }
.recording-frequency-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.recording-frequency-row p { min-width: 0; flex: 1 1 auto; }
.tone-pair-preview-button { display: grid; flex: 0 0 30px; width: 30px; height: 30px; padding: 0; place-items: center; line-height: 1; }
.tone-pair-preview-button.playing { background: #754d20; color: #ffe3b5; }
.dispatch-sequence { margin: 12px 0; padding: 12px; border: 1px solid var(--border); border-radius: 12px; background: rgba(4, 14, 22, 0.48); }
.dispatch-sequence h4 { margin: 0 0 9px; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.dispatch-sequence ol { display: grid; gap: 7px; margin: 0; padding: 0; list-style: none; counter-reset: sequence-item; }
.dispatch-sequence li { display: grid; grid-template-columns: minmax(0, 1fr) 30px; gap: 9px; align-items: center; counter-increment: sequence-item; }
.dispatch-sequence li > div { display: grid; grid-template-columns: minmax(105px, auto) minmax(0, 1fr); gap: 8px; align-items: baseline; }
.dispatch-sequence li strong::before { content: counter(sequence-item) ". "; color: var(--muted); }
.dispatch-sequence li strong { font-size: 0.79rem; }
.dispatch-sequence li span { min-width: 0; color: var(--muted); font-size: 0.78rem; }
.recording-pair-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.recording-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 10px; }
.recording-actions button { flex: 0 0 auto; }
.directory-button { margin: 0 0 12px; }
.assign-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; margin: 12px 0; }
.assign-form button { width: auto; }
.tag { display: inline-block; padding: 4px 8px; border-radius: 999px; background: #233a47; color: #b9d6e4; font-size: 0.72rem; font-weight: 700; }
.tag.unknown { background: #4d3825; color: #ffd9a6; }
.recovery-note { padding: 7px 9px; border-radius: 8px; background: rgba(229, 187, 84, 0.12); color: #e8c86f !important; }
.catalog-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.catalog-title-row h3 { min-width: 0; }
.catalog-card p { margin: 5px 0 10px; }
.custom-tone-form { display: grid; grid-template-columns: minmax(220px, 2fr) minmax(140px, 1fr) minmax(140px, 1fr) auto; gap: 12px; align-items: end; margin-top: 20px; padding: 16px; border: 1px solid var(--border); border-radius: 14px; background: rgba(8, 19, 28, 0.35); }
.custom-tone-form label { display: grid; gap: 6px; color: #c9d7df; font-size: 0.82rem; font-weight: 700; }
.custom-tone-form input[type="number"] { width: 100%; }
.custom-tone-form button { width: auto; white-space: nowrap; }
.contextual-rules { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border); }
.contextual-rule-form { display: grid; grid-template-columns: 1.4fr 1.4fr 1fr .8fr .8fr auto; gap: 10px; align-items: end; margin-top: 16px; padding: 14px; border: 1px solid var(--border); border-radius: 14px; background: rgba(8, 19, 28, 0.35); }
.contextual-rule-form label { display: grid; gap: 6px; color: #c9d7df; font-size: .78rem; font-weight: 700; }
.contextual-rules-list { display: grid; gap: 10px; margin-top: 12px; }
.contextual-rule-card { display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 13px 15px; border: 1px solid var(--border); border-radius: 12px; background: rgba(8, 19, 28, .48); }
.contextual-rule-card.enabled { border-left: 3px solid var(--accent); }
.contextual-rule-card p { margin: 5px 0 0; color: var(--muted); font-size: .8rem; }
.catalog-actions { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 10px; }
.catalog-actions button { width: auto; padding: 7px 10px; font-size: 0.78rem; }
.catalog-actions .tone-preview-button { justify-self: center; }
.catalog-actions .tone-preview-button.playing { background: #754d20; color: #ffe3b5; }
.catalog-actions.user-catalog-actions { grid-template-columns: minmax(0, 1fr) auto; }
.catalog-actions.user-catalog-actions .tone-preview-button { justify-self: start; }
.single-tone-recovery { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 10px; padding: 9px 10px; border: 1px solid var(--border); border-radius: 9px; color: #9fb4c0; font-size: 0.74rem; }
.single-tone-recovery.enabled { border-color: rgba(229, 187, 84, 0.4); background: rgba(229, 187, 84, 0.08); color: #e8c86f; }
.single-tone-recovery button { flex: 0 0 auto; width: auto; padding: 7px 9px; font-size: 0.76rem; }
.catalog-delete-row { display: flex; justify-content: flex-end; gap: 8px; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.catalog-delete-row button { padding: 7px 10px; font-size: 0.78rem; }
.raw-frequency { color: #78909e; font-size: 0.76rem; }
.programming-summary { margin: 8px 0 10px; padding: 8px 10px; border-radius: 9px; background: rgba(55, 191, 179, 0.07); }
.programming-summary p { margin: 3px 0; color: #9fc2d2; font-size: 0.74rem; line-height: 1.35; }
.programming-reference { padding: 6px 8px; border-left: 3px solid var(--accent); background: rgba(53, 184, 168, 0.08); color: #c7eee9 !important; }
.programming-summary .pager-estimate { color: #c7eee9; font-weight: 700; }
.programming-summary .pager-estimate.pending { color: #879ba8; font-weight: 600; }
.recording-pager-estimate { margin-top: -2px !important; color: #a8ddd7 !important; font-size: 0.78rem !important; font-weight: 700; }
.recording-rename-form { grid-template-columns: minmax(0, 1fr) auto auto; margin: 10px 0; }
.recording-rename-form[hidden] { display: none; }
.calibration-dialog { width: min(680px, calc(100% - 28px)); padding: 0; border: 1px solid var(--border); border-radius: 18px; background: #12202c; color: #eef4f8; box-shadow: 0 30px 90px rgba(0, 0, 0, 0.65); }
.calibration-dialog::backdrop { background: rgba(2, 8, 12, 0.76); backdrop-filter: blur(4px); }
.calibration-dialog form { padding: clamp(20px, 3vw, 34px); }
.calibration-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }
.calibration-heading .dialog-close { padding: 8px 11px; }
.calibration-table { margin: 22px 0 14px; overflow: hidden; border: 1px solid var(--border); border-radius: 12px; }
.calibration-row { display: grid; grid-template-columns: 0.65fr 1fr 1fr; gap: 12px; align-items: center; padding: 12px 14px; border-top: 1px solid var(--border); }
.calibration-row:first-child { border-top: 0; }
.calibration-labels { background: rgba(5, 13, 19, 0.35); color: #8fa6b5; font-size: 0.76rem; font-weight: 800; text-transform: uppercase; }
.calibration-row output { color: #b9d6e4; font-variant-numeric: tabular-nums; }
.calibration-row span:last-child { display: flex; align-items: center; gap: 7px; }
.calibration-row input { width: 100%; }
.calibration-current { min-height: 1.5em; color: #b9d6e4; font-size: 0.86rem; }
.programming-analysis { display: grid; gap: 10px; margin: 18px 0; }
.programming-source { padding: 12px 14px; border: 1px solid var(--border); border-radius: 12px; background: rgba(5, 13, 19, 0.28); }
.programming-source h3 { margin: 0 0 7px; font-size: 0.94rem; }
.programming-source p { margin: 5px 0; font-size: 0.82rem; }
.calibration-actions { display: flex; justify-content: space-between; gap: 12px; margin-top: 18px; }
.calibration-actions button { width: auto; }
.rename-form { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 7px; margin-top: 12px; }
.rename-form[hidden] { display: none; }
.rename-form button { width: auto; padding: 8px 10px; }
.empty-state { grid-column: 1 / -1; margin: 0; padding: 30px; text-align: center; border: 1px dashed var(--border); border-radius: 14px; }
.notice { margin-top: 24px; font-size: 0.9rem; }

@media (min-width: 2200px) {
  .recordings-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 1100px) {
  .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  main { width: min(100% - 24px, 760px); padding: 28px 0; }
  .site-header, .channels, .overview-panel { grid-template-columns: 1fr; }
  article { min-height: 240px; }
  .recording-setting { padding-left: 0; padding-top: 20px; border-left: 0; border-top: 1px solid var(--border); }
  .section-heading { flex-direction: column; }
  .custom-tone-form { grid-template-columns: 1fr 1fr; }
  .contextual-rule-form { grid-template-columns: 1fr 1fr; }
  .contextual-rule-form button { grid-column: 1 / -1; }
  .custom-tone-form label:first-child { grid-column: 1 / -1; }
  .custom-tone-form button { grid-column: 1 / -1; width: 100%; }
}

@media (max-width: 700px) {
  .catalog-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .input-label-form { grid-template-columns: 1fr; }
  .input-label-form button { width: 100%; }
  .snapshot-buttons { grid-template-columns: 1fr; }
  .level-readings { gap: 8px; font-size: 0.72rem; }
  .level-readings > strong { min-width: 34px; }
  .audio-mode-control { width: 100%; justify-content: space-between; order: 2; }
  .inline-setting { flex-wrap: wrap; }
  .assign-form { grid-template-columns: 1fr; }
  .assign-form button { width: 100%; }
  .recording-actions { align-items: stretch; flex-direction: column; }
  .recording-actions button { width: 100%; }
  .recording-pair-actions { align-items: stretch; flex-direction: column; }
  .recording-pair-actions button { width: 100%; }
  .rename-form { grid-template-columns: 1fr 1fr; }
  .rename-form input { grid-column: 1 / -1; }
  .custom-tone-form { grid-template-columns: 1fr; }
  .contextual-rule-form { grid-template-columns: 1fr; }
  .contextual-rule-form button { grid-column: auto; }
  .contextual-rule-card { align-items: stretch; flex-direction: column; }
  .custom-tone-form label:first-child, .custom-tone-form button { grid-column: auto; }
  .catalog-actions { grid-template-columns: 1fr; }
  .catalog-actions.user-catalog-actions { grid-template-columns: 1fr; }
  .catalog-actions button, .catalog-actions .tone-preview-button { width: 100%; }
  .catalog-delete-row, .calibration-actions { align-items: stretch; flex-direction: column; }
  .catalog-delete-row button, .calibration-actions button { width: 100%; }
  .calibration-row { grid-template-columns: 1fr; }
  .calibration-labels { display: none; }
  .dispatch-sequence li > div { grid-template-columns: 1fr; gap: 2px; }
}