/* Comms — minimal dark-mode UI. No framework. */

:root {
  --bg: #0f1115;
  --bg-2: #161922;
  --bg-3: #1f2430;
  --fg: #e7ecf3;
  --fg-dim: #98a0b3;
  --accent: #6aa7ff;
  --accent-2: #8c7bff;
  --danger: #ff6b6b;
  --border: #262b38;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; background: var(--bg); color: var(--fg); font-family: var(--font); }

#app { height: 100vh; display: flex; }

section { padding: 1rem; }
button { background: var(--bg-3); color: var(--fg); border: 1px solid var(--border); border-radius: var(--radius); padding: .5rem .9rem; cursor: pointer; font: inherit; }
button:hover { background: var(--accent); color: #0a0d14; border-color: var(--accent); }
input, select { background: var(--bg-2); color: var(--fg); border: 1px solid var(--border); border-radius: var(--radius); padding: .55rem .7rem; font: inherit; }
label { display: block; margin: .5rem 0; }
h1, h2 { font-weight: 600; }

/* Enrollment view */
#view-enroll { max-width: 26rem; margin: 4rem auto; }
#enroll-qr { margin: 1.5rem 0; display: flex; justify-content: center; }
#enroll-qr svg { width: 16rem; height: 16rem; background: white; padding: .8rem; border-radius: var(--radius); }
#enroll-status { color: var(--fg-dim); }

/* Chat view */
#view-chat { display: flex; width: 100%; height: 100%; padding: 0; }
#sidebar { width: 16rem; background: var(--bg-2); border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 1rem; gap: .25rem; overflow-y: auto; }
#sidebar header { display: flex; gap: .4rem; align-items: center; margin-bottom: 1rem; }
#sidebar header span { flex: 1; font-weight: 600; }
#sidebar h2 { font-size: .8rem; text-transform: uppercase; color: var(--fg-dim); margin: 1rem 0 .25rem; letter-spacing: .04em; }
#sidebar ul { list-style: none; padding: 0; margin: 0; }
#sidebar li { padding: .45rem .6rem; border-radius: var(--radius); cursor: pointer; color: var(--fg-dim); }
#sidebar li:hover, #sidebar li.active { background: var(--bg-3); color: var(--fg); }
#sidebar li .kind-tag { font-size: .7rem; color: var(--fg-dim); margin-left: .4rem; }

#main { flex: 1; display: flex; flex-direction: column; }
#channel-header { padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); background: var(--bg-2); }
#messages { flex: 1; overflow-y: auto; padding: 1rem 1.25rem; display: flex; flex-direction: column; gap: .6rem; }
.msg { padding: .55rem .75rem; border-radius: var(--radius); background: var(--bg-2); max-width: 38rem; }
.msg .meta { font-size: .75rem; color: var(--fg-dim); margin-bottom: .15rem; }
.msg.mine { background: var(--bg-3); align-self: flex-end; }
#composer { display: flex; gap: .5rem; padding: 1rem 1.25rem; border-top: 1px solid var(--border); background: var(--bg-2); }
#composer input { flex: 1; }

/* Scanner */
#view-scanner { max-width: 26rem; margin: 4rem auto; text-align: center; }
#scanner-video { width: 100%; max-width: 20rem; border-radius: var(--radius); background: black; aspect-ratio: 1; object-fit: cover; }

/* Admin */
#view-admin { max-width: 40rem; margin: 2rem auto; }
#view-admin form { display: flex; gap: .5rem; flex-wrap: wrap; margin: .5rem 0 1rem; }
#view-admin form input, #view-admin form select { flex: 1; min-width: 8rem; }
#member-list { list-style: none; padding: 0; }
#member-list li { padding: .5rem .7rem; background: var(--bg-2); border-radius: var(--radius); margin: .35rem 0; display: flex; justify-content: space-between; align-items: center; }
#member-list .pending { color: var(--accent); }
#member-list .disabled { color: var(--danger); }

@media (max-width: 640px) {
  #view-chat { flex-direction: column; }
  #sidebar { width: 100%; max-height: 14rem; border-right: none; border-bottom: 1px solid var(--border); }
}