/* =====================================================================
   Design tokens
   A terminal/IRC-room aesthetic: near-black charcoal, a signal-green
   accent (not the templated cream/terracotta or acid-neon defaults),
   monospace for identity (badges, usernames, headers), a plain sans
   for message bodies so long conversations stay easy to read.
   ===================================================================== */
:root {
    --bg:          #12141A;
    --panel:       #181B23;
    --panel-alt:   #1E212B;
    --border:      #262A36;
    --text:        #E8E9ED;
    --text-muted:  #878C9C;
    --text-faint:  #565B6B;

    --accent:      #4FD1A5;
    --accent-dim:  #2E7D63;
    --accent-bg:   rgba(79, 209, 165, 0.12);

    --warn:        #E8A857;
    --warn-bg:     rgba(232, 168, 87, 0.12);

    --danger:      #E86464;
    --danger-dim:  #A34848;
    --danger-bg:   rgba(232, 100, 100, 0.12);

    --radius: 6px;
    --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    height: 100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: var(--accent-dim); color: #fff; }

/* ---- Layout shells --------------------------------------------------- */
.auth-shell {
    min-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background:
        radial-gradient(circle at 20% 20%, rgba(79,209,165,0.07), transparent 40%),
        var(--bg);
}

.auth-card {
    width: 100%;
    max-width: 380px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.brand {
    font-family: var(--font-mono);
    font-size: 20px;
    letter-spacing: -0.02em;
    margin: 0 0 4px;
}
.brand .cursor { color: var(--accent); }
.brand::after { content: '_'; color: var(--accent); animation: blink 1.1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.auth-card h1 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    margin: 0 0 24px;
    text-transform: uppercase;
    letter-spacing: .06em;
}

.field { margin-bottom: 16px; }
.field label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: .04em;
}
.field input, .field select, .field textarea {
    width: 100%;
    background: var(--panel-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    padding: 10px 12px;
    font-size: 14px;
    font-family: var(--font-sans);
}
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 1px solid var(--border);
    background: var(--panel-alt);
    color: var(--text);
    padding: 9px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-sans);
}
.btn:hover { border-color: var(--text-muted); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #08110D; }
.btn-primary:hover { background: #64dbb2; }
.btn-block { width: 100%; }
.btn-danger { background: var(--danger-bg); border-color: var(--danger-dim); color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); }
.btn-warn { background: var(--warn-bg); border-color: var(--warn); color: var(--warn); }
.btn-sm { padding: 5px 10px; font-size: 12px; }

.error-box {
    background: var(--danger-bg);
    border: 1px solid var(--danger-dim);
    color: var(--danger);
    padding: 10px 12px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 16px;
}
.notice-box {
    background: var(--warn-bg);
    border: 1px solid var(--warn);
    color: var(--warn);
    padding: 10px 12px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 16px;
}
.auth-foot {
    margin-top: 20px;
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
}

/* ---- Badges (signature element) --------------------------------------
   Role tags rendered like terminal identifiers, e.g. [OWNER] — bracket
   characters are literal text so a badge reads the way a staff tag
   would in an IRC client, but styled with a soft tinted pill. */
.badge {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .03em;
    padding: 1px 6px;
    border-radius: 4px;
    white-space: nowrap;
}
.badge::before { content: '['; opacity: .55; }
.badge::after { content: ']'; opacity: .55; }

/* ---- Chat shell -------------------------------------------------------- */
.chat-shell {
    height: 100%;
    display: grid;
    grid-template-rows: auto 1fr;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--panel);
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.me {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; color: var(--text-muted);
}
.me strong { color: var(--text); font-weight: 600; }

.chat-body {
    display: grid;
    grid-template-columns: 1fr 240px;
    min-height: 0;
}
@media (max-width: 780px) {
    .chat-body { grid-template-columns: 1fr; }
    .members-panel { display: none; }
}

.messages-col { display: grid; grid-template-rows: 1fr auto; min-height: 0; }
.messages { overflow-y: auto; padding: 16px 20px; }

.msg {
    display: flex;
    gap: 10px;
    padding: 6px 0;
    align-items: baseline;
}
.msg .ts {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-faint);
    flex-shrink: 0;
    width: 44px;
    text-align: right;
}
.msg .who { display: flex; align-items: baseline; gap: 6px; flex-shrink: 0; }
.msg .uname { font-weight: 600; font-size: 13.5px; cursor: default; }
.msg .body { color: var(--text); font-size: 14px; word-break: break-word; }
.msg.system .body { color: var(--text-muted); font-style: italic; }
.msg.deleted .body { color: var(--text-faint); font-style: italic; }

.composer {
    display: flex;
    gap: 10px;
    padding: 14px 20px;
    border-top: 1px solid var(--border);
    background: var(--panel);
}
.composer input {
    flex: 1;
    background: var(--panel-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    padding: 10px 14px;
    font-size: 14px;
}
.composer input:focus { outline: none; border-color: var(--accent); }

#broadcastToggle.active {
    background: var(--warn-bg);
    border-color: var(--warn);
    color: var(--warn);
}

#spectatorToggle.active {
    background: var(--panel-alt);
    border-color: var(--text-muted);
    color: var(--text-muted);
}

#invisibleToggle.active {
    background: var(--accent-bg);
    border-color: var(--accent-dim);
    color: var(--accent);
}

.composer.broadcast-mode {
    background: var(--warn-bg);
}
.composer.broadcast-mode input {
    border-color: var(--warn);
}

.msg.broadcast {
    display: block;
    margin: 10px 0;
    padding: 12px 16px;
    background: var(--warn-bg);
    border: 1px solid var(--warn);
    border-radius: var(--radius);
}
.msg.broadcast .who {
    margin-bottom: 4px;
}
.msg.broadcast .badge.broadcast-tag {
    background: var(--warn); color: #1a1206; border: none;
}
.msg.broadcast .body {
    color: var(--text);
    font-weight: 600;
    font-size: 14.5px;
}
.msg.broadcast .ts { color: var(--warn); }

.members-panel {
    border-left: 1px solid var(--border);
    background: var(--panel);
    padding: 14px;
    overflow-y: auto;
}
.members-panel h3 {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
    margin: 0 0 10px;
}
.member-row {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 4px;
    border-radius: var(--radius);
    cursor: pointer;
    position: relative;
}
.member-row:hover { background: var(--panel-alt); }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.member-row .uname { font-size: 13px; }

/* ---- Action menu (kick/ban dropdown) --------------------------------- */
.action-menu {
    position: absolute;
    z-index: 40;
    background: var(--panel-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0,0,0,.4);
    min-width: 200px;
    padding: 6px;
}
.action-menu button {
    display: block;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--text);
    padding: 8px 10px;
    font-size: 13px;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-sans);
}
.action-menu button:hover { background: var(--panel); }
.action-menu button.danger { color: var(--danger); }
.action-menu button.warn { color: var(--warn); }
.action-menu .divider { height: 1px; background: var(--border); margin: 4px 2px; }
.action-menu select {
    width: 100%;
    margin: 4px 0 8px;
    background: var(--panel);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 6px;
    border-radius: 4px;
    font-size: 12px;
}

/* ---- Admin backend ---------------------------------------------------- */
.admin-shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100%; }
.admin-nav {
    background: var(--panel);
    border-right: 1px solid var(--border);
    padding: 20px 14px;
}
.admin-nav a {
    display: block;
    padding: 9px 10px;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: 13.5px;
    margin-bottom: 2px;
}
.admin-nav a:hover { background: var(--panel-alt); text-decoration: none; color: var(--text); }
.admin-nav a.active { background: var(--accent-bg); color: var(--accent); }
.admin-main { padding: 28px 32px; overflow-y: auto; }
.admin-main h1 { font-size: 20px; margin: 0 0 4px; }
.admin-main .sub { color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 28px; }
.stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.stat-card .num { font-family: var(--font-mono); font-size: 26px; font-weight: 700; }
.stat-card .label { color: var(--text-muted); font-size: 12px; margin-top: 4px; }

table.data { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
table.data th, table.data td { padding: 10px 14px; text-align: left; font-size: 13.5px; border-bottom: 1px solid var(--border); }
table.data th { color: var(--text-muted); font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: .04em; background: var(--panel-alt); }
table.data tr:last-child td { border-bottom: none; }
table.data td.muted { color: var(--text-faint); }

.panel-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }
.panel-card h2 { font-size: 14px; margin: 0 0 16px; font-family: var(--font-mono); }

.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.perm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; margin: 14px 0; }
.perm-check { display: flex; align-items: center; gap: 8px; font-size: 13px; background: var(--panel-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 10px; }

.flash { padding: 10px 14px; border-radius: var(--radius); font-size: 13px; margin-bottom: 20px; }
.flash.ok { background: var(--accent-bg); border: 1px solid var(--accent-dim); color: var(--accent); }
.flash.err { background: var(--danger-bg); border: 1px solid var(--danger-dim); color: var(--danger); }