[hidden] { display: none !important; }
.button { display: inline-flex; min-height: 2.9rem; align-items: center; justify-content: center; padding: 0.65rem 1.05rem; border: 1px solid transparent; border-radius: var(--radius-small); font-weight: 750; text-decoration: none; }
.button-primary { background: var(--color-accent); color: #fff; }
.button-primary:hover { background: var(--color-accent-hover); color: #fff; }
.button-secondary { border-color: var(--color-border); background: var(--color-surface); color: var(--color-navy); }
.card { padding: 1.5rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); box-shadow: var(--shadow-card); }
.card p { margin-bottom: 0; color: var(--color-text-muted); }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.eyebrow { margin-bottom: 0.55rem; color: var(--color-accent-hover); font-family: var(--font-mono); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.lead { max-width: 48rem; color: var(--color-text-muted); font-size: clamp(1.08rem, 2vw, 1.3rem); }
.status-note, .legal-warning { margin-top: 2rem; padding: 1rem 1.2rem; border-left: 0.28rem solid var(--color-warning); background: var(--color-surface-muted); }
.legal-warning p { margin: 0.4rem 0 0; }
.nav-toggle { display: none; min-height: 2.8rem; align-items: center; gap: 0.4rem; border: 1px solid rgba(255,255,255,0.3); border-radius: var(--radius-small); background: transparent; color: #fff; }
.theme-control { display: grid; gap: 0.15rem; color: #dce5ec; font-size: 0.7rem; }
.theme-control select { min-height: 2.2rem; border: 1px solid #7890a4; border-radius: var(--radius-small); background: var(--color-navy-dark); color: #fff; }
.text-link { font-weight: 700; }
.account-link { display: inline-flex; min-height: 2.5rem; align-items: center; padding: 0.45rem 0.7rem; border: 1px solid rgba(255,255,255,0.35); border-radius: var(--radius-small); color: #fff; font-family: var(--font-mono); text-decoration: none; }
.account-link:hover { background: rgba(255,255,255,0.12); color: #fff; }
.stack-form { display: grid; gap: 1rem; }
.stack-form label:not(.checkbox-row) { display: grid; gap: 0.35rem; font-weight: 700; }
.stack-form input, .stack-form textarea { width: 100%; min-height: 2.9rem; padding: 0.65rem 0.75rem; border: 1px solid var(--color-border); border-radius: var(--radius-small); background: var(--color-surface); color: var(--color-text); }
.stack-form textarea { min-height: 6rem; resize: vertical; }
.stack-form small { color: var(--color-text-muted); font-weight: 400; }
.stack-form .field-error { color: var(--color-danger); font-weight: 700; }
.checkbox-row { display: flex; align-items: flex-start; gap: 0.65rem; }
.checkbox-row input { width: 1.25rem; min-height: 1.25rem; margin-top: 0.2rem; }
.form-alert { margin-block: 1rem; padding: 0.9rem 1rem; border-left: 0.3rem solid var(--color-border); background: var(--color-surface-muted); }
.form-alert-danger { border-color: var(--color-danger); }
.form-alert-warning { border-color: var(--color-warning); }
.form-alert-success { border-color: var(--color-success); }
.button-danger { background: var(--color-danger); color: #fff; }
.button-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.detail-list { display: grid; gap: 0.6rem; }
.detail-list div { display: grid; grid-template-columns: minmax(8rem, 0.4fr) 1fr; gap: 1rem; padding-bottom: 0.6rem; border-bottom: 1px solid var(--color-border); }
.detail-list dt { color: var(--color-text-muted); font-weight: 700; }
.detail-list dd { margin: 0; }
.callsign { font-family: var(--font-mono); }
.check-list { display: grid; gap: 0.4rem; margin-block: 1.5rem; }
.check-item { display: flex; justify-content: space-between; gap: 1rem; padding: 0.65rem; background: var(--color-surface-muted); }
.profile-photo-large { display: block; width: 9rem; height: 9rem; margin-bottom: 1.5rem; border: 0.25rem solid var(--color-surface); border-radius: 50%; box-shadow: var(--shadow-card); object-fit: cover; }
.device-photo { width: 100%; aspect-ratio: 4 / 3; margin-bottom: 1rem; border-radius: var(--radius-small); object-fit: cover; }
.filter-form { display: grid; grid-template-columns: 2fr 1fr 1fr auto; align-items: end; gap: 0.75rem; margin-block: 1.5rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); }
.filter-form label { display: grid; gap: 0.3rem; }
.filter-form input, .filter-form select, .stack-form select { min-height: 2.9rem; padding: 0.6rem; border: 1px solid var(--color-border); border-radius: var(--radius-small); background: var(--color-surface); color: var(--color-text); }
.member-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 21rem), 1fr)); gap: 1rem; }
.member-card { display: flex; align-items: center; gap: 1rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); }
.member-card h2, .member-card p { margin-bottom: 0.2rem; }
.member-avatar { flex: 0 0 auto; width: 4rem; height: 4rem; border-radius: 50%; object-fit: cover; }
.member-avatar-placeholder { display: grid; place-items: center; background: var(--color-navy); color: #fff; font-family: var(--font-mono); font-weight: 800; }
.muted { color: var(--color-text-muted); }
.device-layout { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(20rem, 0.7fr); gap: 2rem; }
.device-connection { margin-bottom: 2rem; }
.device-connection > label { display: grid; gap: 0.35rem; margin-top: 1rem; font-weight: 700; }
.device-connection select, .serial-output { width: 100%; padding: 0.65rem 0.75rem; border: 1px solid var(--color-border); border-radius: var(--radius-small); background: var(--color-surface); color: var(--color-text); }
.live-state-strip { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 0 0 1rem; }
.live-state-strip span { padding: 0.28rem 0.55rem; border: 1px solid var(--color-border); border-radius: 999px; background: var(--color-surface-muted); color: var(--color-text-muted); font-size: 0.78rem; font-weight: 700; }
.live-state-strip span[data-state="ok"] { border-color: var(--color-success); color: var(--color-success); }
.live-state-strip span[data-state="busy"] { border-color: var(--color-warning); color: var(--color-warning); }
.live-state-strip span[data-state="error"] { border-color: var(--color-danger); color: var(--color-danger); }
.room-device-settings { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,12rem),1fr)); gap: 0.75rem; margin-top: 1rem; }
.room-device-settings label { display: grid; gap: 0.35rem; font-weight: 700; }
.room-device-settings select { min-height: 2.9rem; padding: 0.6rem; border: 1px solid var(--color-border); border-radius: var(--radius-small); background: var(--color-surface); color: var(--color-text); }
.live-diagnostics { margin-top: 1rem; padding: 0.8rem; border: 1px solid var(--color-border); border-radius: var(--radius-small); background: var(--color-surface-muted); }
.live-diagnostics summary { cursor: pointer; font-weight: 750; }
.live-diagnostics .detail-list { margin-top: 0.8rem; }
.serial-output { min-height: 10rem; font-family: var(--font-mono); resize: vertical; }
.compact-form { max-width: 34rem; }
.profile-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.profile-form label:has(textarea), .profile-form button { grid-column: 1 / -1; }
.section-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.room-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); gap: 1rem; }
.room-card { padding: 1.3rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); }
.room-card-head { display: flex; justify-content: space-between; gap: 1rem; color: var(--color-text-muted); font-size: 0.88rem; }
.status-badge { padding: 0.15rem 0.5rem; border-radius: 999px; background: var(--color-surface-muted); font-weight: 700; }
.compact-details { display: grid; gap: 0.3rem; }
.compact-details div { display: flex; justify-content: space-between; gap: 1rem; }
.compact-details dt { color: var(--color-text-muted); }
.compact-details dd { margin: 0; }
.room-facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.75rem; margin-block: 1.5rem; }
.room-facts div { display: grid; gap: 0.2rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-small); background: var(--color-surface); }
.management-panel { margin-top: 2rem; padding: 1.2rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface-muted); }
.inline-form { display: flex; flex-wrap: wrap; align-items: end; gap: 0.65rem; }
.inline-form input, .inline-form select { min-height: 2.9rem; padding: 0.6rem; border: 1px solid var(--color-border); border-radius: var(--radius-small); background: var(--color-surface); color: var(--color-text); }
.room-session > .section-title-row { align-items: center; margin-bottom: 0.75rem; }
.room-session > .section-title-row .eyebrow { margin-bottom: 0.25rem; }
.room-session > .section-title-row h1 { margin-bottom: 0; font-size: clamp(2.6rem,5vw,4.5rem); }
.presence-strip { display: flex; flex-wrap: wrap; align-items: center; gap: 0.65rem 1rem; margin-bottom: 1rem; padding: 0.7rem 0.9rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); }
.presence-strip .presence-list { display: flex; flex: 1; flex-wrap: wrap; gap: 0.45rem; margin: 0; padding: 0; list-style: none; }
.presence-strip .presence-list li { padding: 0.2rem 0.55rem; border-radius: 999px; background: var(--color-surface-muted); }
.presence-strip .heartbeat-status { margin: 0; color: var(--color-success); font-size: 0.86rem; }
.room-tabs { display: grid; grid-template-columns: minmax(0,1.55fr) minmax(18rem,0.85fr); align-items: start; gap: 1rem; }
.room-panel { min-height: 18rem; padding: 1.2rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); }
.text-chat-panel { min-height: auto; }
.text-chat-panel > summary { cursor: pointer; font-size: clamp(1.55rem,3vw,2.3rem); font-weight: 800; }
.text-chat-panel[open] > summary { margin-bottom: 1rem; }
.communication-status { margin: 0 0 1rem; color: var(--color-text-muted); }
.communication-status[data-state="ok"] { color: var(--color-success); }
.communication-status[data-state="error"] { color: var(--color-danger); }
.communication-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.communication-toolbar .communication-status { margin: 0; }
.transmit-control { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: center; margin-bottom: 1rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); }
.transmit-control p { margin: 0.25rem 0 0; }
.transmit-control [data-transmit-queue] { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.event-stream { height: 18rem; margin-bottom: 1rem; padding: 0.75rem; overflow-y: auto; border: 1px solid var(--color-border); border-radius: var(--radius-small); background: var(--color-background); }
.morse-stream { height: 32rem; }
.chat-stream { height: 24rem; }
.room-technical-panel { margin: 1rem 0 0; padding: 1.2rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); }
.room-technical-heading { display: grid; grid-template-columns: minmax(15rem,0.65fr) minmax(20rem,1fr); align-items: end; gap: 1rem 2rem; }
.room-technical-heading h2,.room-technical-heading p { margin-bottom: 0; }
.connection-settings { margin-top: 1rem; padding: 0.8rem; border: 1px solid var(--color-border); border-radius: var(--radius-small); background: var(--color-surface-muted); }
.connection-settings summary { cursor: pointer; font-weight: 750; }
.connection-settings[open] summary { margin-bottom: 0.8rem; }
.collision-notice { margin-top: 1rem; padding: 0.85rem; border: 1px solid var(--color-warning); border-radius: var(--radius-small); background: color-mix(in srgb,var(--color-warning) 12%,var(--color-surface)); }
.collision-notice[hidden] { display: none; }
.collision-notice p { margin: 0 0 0.55rem; }
.collision-notice code { font-family: var(--font-mono); font-weight: 800; }
.collapsible-form,.technical-help { margin-top: 0.85rem; padding: 0.75rem 0.85rem; border: 1px solid var(--color-border); border-radius: var(--radius-small); background: var(--color-surface-muted); }
.collapsible-form summary,.technical-help summary { cursor: pointer; font-weight: 750; }
.collapsible-form[open] summary,.technical-help[open] summary { margin-bottom: 0.8rem; }
.collapsible-form .compact-form { margin-top: 0; }
.collapsible-form .form-hint,.technical-help .form-hint { margin-bottom: 0; }
.room-event { margin-bottom: 0.75rem; padding: 0.65rem; border-left: 3px solid var(--room-event-border,var(--color-border)); border-radius: var(--radius-small); background: var(--room-event-background,var(--color-surface)); }
.room-event-own { box-shadow: inset 0 0 0 1px var(--color-accent); }
.room-event-user-0 { --room-event-background: #e8f1fb; --room-event-border: #4b83b6; }
.room-event-user-1 { --room-event-background: #fff1dc; --room-event-border: #bf752d; }
.room-event-user-2 { --room-event-background: #e6f4ec; --room-event-border: #43805e; }
.room-event-user-3 { --room-event-background: #f1eafb; --room-event-border: #7655a5; }
.room-event-user-4 { --room-event-background: #fbe9ed; --room-event-border: #af5268; }
.room-event-user-5 { --room-event-background: #e4f4f5; --room-event-border: #3d7e83; }
.room-event-user-6 { --room-event-background: #f2f2df; --room-event-border: #777a3c; }
.room-event-user-7 { --room-event-background: #e9edf2; --room-event-border: #637386; }
.room-event-meta { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 0.35rem; color: var(--color-text-muted); font-size: 0.85rem; }
.room-event p { margin: 0; overflow-wrap: anywhere; }
.room-event-remove { margin-top: 0.5rem; padding: 0; border: 0; background: transparent; color: var(--color-danger); cursor: pointer; text-decoration: underline; }
.room-event-removed { color: var(--color-text-muted); font-style: italic; }
.morse-code { font-family: var(--font-mono); font-size: 1.1rem; letter-spacing: 0.08em; }
.morse-stream .morse-event { display: grid; grid-template-columns: auto auto minmax(0,1fr); align-items: baseline; gap: 0.65rem; margin-bottom: 0.35rem; padding: 0.45rem 0.55rem; }
.morse-event .callsign,.morse-event time { white-space: nowrap; color: var(--color-text-muted); font-size: 0.78rem; }
.morse-event .morse-code { min-width: 0; overflow-x: auto; overflow-wrap: normal; white-space: nowrap; }
.morse-plaintext { display: none; grid-column: 1 / -1; margin-top: 0.15rem !important; color: var(--color-text-muted); font-size: 0.88rem; }
.show-morse-plaintext .morse-plaintext { display: block; }
.local-display-toggle { display: flex; align-items: center; gap: 0.6rem; margin-top: 1rem; }
.local-display-toggle input { width: 1.1rem; height: 1.1rem; }
.morse-display-controls { display: flex; flex-wrap: wrap; align-items: end; gap: 0.75rem 1rem; margin-bottom: 0.35rem; }
.morse-display-controls label:not(.local-display-toggle) { display: grid; gap: 0.3rem; }
.morse-display-controls select { min-height: 2.55rem; padding: 0.45rem 0.65rem; border: 1px solid var(--color-border); border-radius: var(--radius-small); background: var(--color-surface); color: var(--color-text); }
.morse-display-controls .local-display-toggle { margin: 0 0 0.55rem; }
.morse-panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.morse-panel-heading h2 { margin-bottom: 1rem; }
.channel-signal { display: inline-flex; align-items: center; justify-content: center; width: 1.65rem; height: 1.65rem; margin-bottom: 1rem; border: 1px solid var(--color-border); border-radius: 50%; background: var(--color-surface-muted); }
.channel-signal-light { width: 0.8rem; height: 0.8rem; border-radius: 50%; background: #2f9e62; box-shadow: 0 0 0 0.2rem rgba(47,158,98,0.16); }
.channel-signal[data-state="pending"] .channel-signal-light { background: #d49a25; box-shadow: 0 0 0 0.2rem rgba(212,154,37,0.2); }
.channel-signal[data-state="pending"] { border-color: #d49a25; }
.channel-signal[data-state="busy"] .channel-signal-light { background: #c63f3f; box-shadow: 0 0 0 0.2rem rgba(198,63,63,0.18); }
.channel-signal[data-state="busy"] { border-color: #c85c5c; }
.compact-form textarea { min-height: 4.5rem; }
.form-hint { color: var(--color-text-muted); font-size: 0.9rem; }
.learning-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin-bottom: 1.5rem; }
.learning-stats div { padding: 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-medium); background: var(--color-surface); }
.learning-stats strong,.learning-stats span { display: block; }
.learning-stats strong { font-size: 1.7rem; }
.learning-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }
.presence-list { padding-left: 1.2rem; }
.heartbeat-status { color: var(--color-success); font-size: 0.9rem; }