* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #0b0d10;
    --panel: #161a20;
    --panel-2: #1f242c;
    --text: #e8ecf1;
    --muted: #97a2b0;
    --accent: #4ea1ff;
    --good: #4ade80;
    --warn: #facc15;
    --bad: #ef4444;
    --radius: 14px;
}

html, body { background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; min-height: 100%; }
body { padding: 16px; padding-bottom: 32px; }

.container { max-width: 880px; margin: 0 auto; }

header { margin-bottom: 24px; }
.topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.topbar h1 { font-size: 22px; font-weight: 600; }
.back { color: var(--muted); text-decoration: none; font-size: 18px; padding: 4px 10px; border-radius: 8px; background: var(--panel); }

h1 { font-size: 28px; font-weight: 700; }
h2 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
h3 { font-size: 14px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 10px; }
.subtitle { color: var(--muted); margin-top: 6px; }

/* Landing */
.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.card { background: var(--panel); border: 1px solid #2a313b; border-radius: var(--radius); padding: 22px; text-decoration: none; color: var(--text); display: block; transition: border-color .15s, transform .15s; }
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card-icon { font-size: 32px; font-weight: 700; color: var(--accent); margin-bottom: 12px; }
.card p { color: var(--muted); font-size: 14px; line-height: 1.5; margin-bottom: 14px; }
.btn { display: inline-block; padding: 8px 14px; background: var(--accent); color: #0b0d10; border-radius: 8px; font-weight: 600; font-size: 14px; }

.setup { margin-top: 32px; background: var(--panel); border-radius: var(--radius); padding: 20px; }
.setup ol { padding-left: 22px; }
.setup li { margin: 8px 0; line-height: 1.6; color: var(--muted); }
.setup li strong { color: var(--text); }
.setup a { color: var(--accent); }

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

/* PC page */
.room-panel { background: var(--panel); border-radius: var(--radius); padding: 24px; text-align: center; margin-bottom: 16px; }
.room-code { margin-bottom: 18px; }
.room-code .label { display: block; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 6px; }
.room-code .code { font-size: 44px; font-weight: 700; letter-spacing: .14em; color: var(--accent); font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.qrcode { display: inline-block; padding: 12px; background: #fff; border-radius: 10px; }
.qrcode canvas, .qrcode img { display: block; }
.hint { font-size: 13px; color: var(--muted); margin-top: 14px; line-height: 1.5; }
.hint code { background: var(--panel-2); padding: 2px 6px; border-radius: 4px; font-size: 12px; word-break: break-all; }

.status-panel { background: var(--panel); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.status-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; font-size: 14px; }
.status-row strong { color: var(--text); }
.status-dot { width: 10px; height: 10px; border-radius: 50%; background: #4b5563; flex-shrink: 0; }
.status-dot.good { background: var(--good); box-shadow: 0 0 8px var(--good); }
.status-dot.warn { background: var(--warn); }
.status-dot.bad  { background: var(--bad); }

.meter-panel { background: var(--panel); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.meter { width: 100%; height: 16px; background: var(--panel-2); border-radius: 8px; overflow: hidden; }
.meter-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--good) 0%, var(--warn) 70%, var(--bad) 100%); transition: width .05s linear; }

.reminder { background: #1c2330; border-left: 4px solid var(--accent); border-radius: 8px; padding: 14px 16px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.reminder strong { color: var(--text); }

/* Phone page */
.phone-page .container { max-width: 480px; }

.room-input { background: var(--panel); border-radius: var(--radius); padding: 20px; }
.room-input label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: .08em; }
.room-input input { width: 100%; padding: 16px; font-size: 28px; text-align: center; letter-spacing: .2em; background: var(--panel-2); border: 2px solid #2a313b; border-radius: 10px; color: var(--text); font-family: ui-monospace, "SF Mono", Menlo, monospace; text-transform: uppercase; }
.room-input input:focus { outline: none; border-color: var(--accent); }

.btn-primary { width: 100%; padding: 16px; margin-top: 14px; background: var(--accent); color: #0b0d10; border: none; border-radius: 10px; font-size: 17px; font-weight: 700; cursor: pointer; }
.btn-primary:disabled { opacity: .5; }
.btn-secondary { display: inline-block; padding: 10px 16px; background: var(--panel-2); color: var(--text); border-radius: 8px; text-decoration: none; font-size: 14px; border: 1px solid #2a313b; }

.error-text { color: var(--bad); font-size: 13px; margin-top: 10px; min-height: 1em; }

.phone-status { background: var(--panel); border-radius: var(--radius); padding: 20px; }
.phone-status .meter { margin: 14px 0 18px; }

.controls { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-top: 8px; }
.btn-big { padding: 18px 6px; font-size: 15px; font-weight: 700; border: none; border-radius: 12px; cursor: pointer; color: #0b0d10; transition: opacity .15s, transform .05s; }
.btn-big:active:not(:disabled) { transform: scale(.97); }
.btn-big:disabled { opacity: .35; cursor: not-allowed; }
.btn-start  { background: var(--good); }
.btn-pause  { background: var(--warn); }
.btn-finish { background: var(--bad); color: #fff; }

.options { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.toggle { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); cursor: pointer; }
.toggle input { width: 18px; height: 18px; accent-color: var(--accent); }

.download-area { margin-top: 18px; padding: 14px; background: var(--panel-2); border-radius: 10px; text-align: center; }
.download-area p { margin-bottom: 8px; font-size: 14px; color: var(--muted); }

#timer { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 18px; color: var(--accent); }

/* Recordings page */
.container.wide { max-width: 1100px; }
.topbar-link { margin-left: auto; color: var(--muted); text-decoration: none; padding: 6px 12px; border-radius: 8px; background: var(--panel); font-size: 14px; }
.topbar-link:hover { color: var(--accent); }

.flash { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-size: 14px; }
.flash-good { background: rgba(74, 222, 128, .12); border: 1px solid rgba(74, 222, 128, .35); color: var(--good); }
.flash-bad  { background: rgba(239, 68, 68, .12);  border: 1px solid rgba(239, 68, 68, .35);  color: var(--bad); }
.flash-info { background: var(--panel); color: var(--muted); }

.rec-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; padding: 14px 16px; background: var(--panel); border-radius: var(--radius); margin-bottom: 16px; }
.rec-stats { color: var(--muted); font-size: 14px; flex: 1 1 auto; }
.rec-stats strong { color: var(--text); }
.dot-sep { margin: 0 8px; opacity: .5; }
.rec-filter { display: flex; gap: 8px; align-items: center; }
.rec-filter select { background: var(--panel-2); color: var(--text); border: 1px solid #2a313b; border-radius: 8px; padding: 8px 10px; font-size: 14px; }
.rec-filter select:focus { outline: none; border-color: var(--accent); }

.btn-danger { background: var(--bad); color: #fff; border: none; padding: 8px 14px; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; }
.btn-danger:hover { opacity: .9; }
.btn-danger-ghost { background: transparent; color: var(--bad); border: 1px solid rgba(239, 68, 68, .4); padding: 6px 12px; border-radius: 8px; font-size: 13px; cursor: pointer; }
.btn-danger-ghost:hover { background: rgba(239, 68, 68, .1); }
.inline-form { display: inline; }

.empty-state { text-align: center; padding: 60px 20px; background: var(--panel); border-radius: var(--radius); }
.empty-state p { color: var(--muted); margin-bottom: 12px; }
.empty-state .btn { margin-top: 12px; }

.rec-list { display: flex; flex-direction: column; gap: 12px; }
.rec-item { background: var(--panel); border: 1px solid #2a313b; border-radius: var(--radius); padding: 16px; }
.rec-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 10px; }
.rec-title { display: flex; flex-wrap: wrap; gap: 12px; align-items: baseline; }
.rec-room { color: var(--muted); font-size: 14px; }
.rec-room strong { color: var(--accent); font-family: ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: .08em; }
.rec-date { font-size: 13px; color: var(--muted); font-family: ui-monospace, "SF Mono", Menlo, monospace; }
.rec-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--muted); }
.rec-mime { padding: 2px 8px; background: var(--panel-2); border-radius: 4px; font-size: 11px; font-family: ui-monospace, "SF Mono", Menlo, monospace; }

.rec-audio { width: 100%; margin: 10px 0; height: 38px; }
.rec-audio::-webkit-media-controls-panel { background-color: var(--panel-2); }

.rec-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 8px; }
.rec-filename { font-size: 11px; color: var(--muted); background: var(--panel-2); padding: 4px 8px; border-radius: 4px; margin-left: auto; word-break: break-all; max-width: 100%; }

@media (max-width: 640px) {
    .rec-toolbar { flex-direction: column; align-items: stretch; }
    .rec-filename { margin-left: 0; }
}

/* Login page */
.container.narrow { max-width: 420px; padding-top: 8vh; }
.login-box { background: var(--panel); border-radius: var(--radius); padding: 28px; }
.login-box h1 { font-size: 22px; margin-bottom: 4px; }
.login-box .subtitle { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.login-box label { display: block; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; }
.login-box input[type="password"] { width: 100%; padding: 14px; font-size: 16px; background: var(--panel-2); border: 2px solid #2a313b; border-radius: 10px; color: var(--text); margin-bottom: 14px; font-family: inherit; }
.login-box input[type="password"]:focus { outline: none; border-color: var(--accent); }
.login-box .btn-primary { display: block; width: 100%; }
.login-box .hint a { color: var(--muted); text-decoration: none; }
.login-box .hint a:hover { color: var(--accent); }
.login-page .container { padding-top: 8vh; }