:root {
  --bg:      #0d1117;
  --surface: #161b22;
  --border:  #30363d;
  --text:    #8b949e;
  --bright:  #e6edf3;
  --green:   #3fb950;
  --cyan:    #58a6ff;
  --yellow:  #d29922;
  --red:     #f85149;
  --dim:     #6cb96f;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Courier New', Consolas, monospace;
  font-size: 14px;
  min-height: 100vh;
}

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

.wrap { max-width: 1000px; margin: 0 auto; padding: 20px; }

/* Header */
header { border-bottom: 1px solid var(--border); padding-bottom: 16px; margin-bottom: 24px; }

/* Logos */
.logo-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}
.logo-link {
  text-decoration: none;
  display: block;
  transition: opacity .15s;
}
.logo-link:hover { opacity: 1 !important; }
.logo-active pre.logo { color: var(--green); }
.logo-dim pre.logo    { color: var(--dim);   }
pre.logo {
  font-size: 11px;
  line-height: 1.25;
  margin-bottom: 0;
  white-space: pre;
}
.logo-right { text-align: right; }

nav { display: inline-flex; border: 1px solid var(--border); }

nav a {
  color: var(--text);
  padding: 6px 18px;
  border-right: 1px solid var(--border);
  transition: background .1s, color .1s;
  display: block;
}
nav a:last-child { border-right: none; }
nav a:hover { background: var(--surface); color: var(--bright); text-decoration: none; }
nav a.active { background: var(--surface); color: var(--green); }
nav a.logout { color: var(--red); }

/* Panel */
.panel { border: 1px solid var(--border); margin-bottom: 16px; }
.panel-title {
  background: var(--surface);
  color: var(--bright);
  padding: 7px 14px;
  border-bottom: 1px solid var(--border);
  font-weight: bold;
  font-size: 13px;
  letter-spacing: .05em;
}
.panel-body { padding: 16px; }

/* Grid */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* Stats */
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat-label { color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.stat-value { color: var(--bright); font-size: 22px; }
.stat-value.green  { color: var(--green); }
.stat-value.yellow { color: var(--yellow); }
.stat-value.red    { color: var(--red); }
.stat-sub { color: var(--dim); font-size: 12px; }

.progress-wrap { background: var(--surface); height: 5px; width: 100%; margin-top: 4px; }
.progress-bar  { height: 5px; transition: width .4s; }
.bar-green  { background: var(--green); }
.bar-yellow { background: var(--yellow); }
.bar-red    { background: var(--red); }

/* Table */
table { width: 100%; border-collapse: collapse; }
th {
  color: var(--dim); text-align: left;
  padding: 6px 10px; border-bottom: 1px solid var(--border);
  font-weight: normal; font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
}
td { padding: 9px 10px; border-bottom: 1px solid var(--border); color: var(--text); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface); }

/* Badge */
.badge {
  display: inline-block; padding: 1px 7px;
  font-size: 11px; border: 1px solid;
}
.badge-red    { color: var(--red);    border-color: var(--red); }
.badge-green  { color: var(--green);  border-color: var(--green); }
.badge-yellow { color: var(--yellow); border-color: var(--yellow); }
.badge-cyan   { color: var(--cyan);   border-color: var(--cyan); }

/* Buttons */
.btn {
  padding: 4px 14px; background: none; border: 1px solid;
  cursor: pointer; font-family: inherit; font-size: 12px; transition: background .1s;
}
.btn-red    { border-color: var(--red);    color: var(--red); }
.btn-red:hover    { background: rgba(248,81,73,.15); }
.btn-green  { border-color: var(--green);  color: var(--green); }
.btn-green:hover  { background: rgba(63,185,80,.15); }
.btn-cyan   { border-color: var(--cyan);   color: var(--cyan); }
.btn-cyan:hover   { background: rgba(88,166,255,.15); }

/* Form */
.form-row { display: flex; gap: 8px; align-items: center; }
input[type="text"],
input[type="password"] {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--bright); padding: 6px 10px;
  font-family: inherit; font-size: 13px; outline: none;
}
input[type="text"]:focus,
input[type="password"]:focus { border-color: var(--cyan); }

/* Alerts */
.alert { padding: 8px 14px; border: 1px solid; margin-bottom: 16px; font-size: 13px; }
.alert-ok  { color: var(--green);  border-color: var(--green);  background: rgba(63,185,80,.08); }
.alert-err { color: var(--red);    border-color: var(--red);    background: rgba(248,81,73,.08); }

/* Mail */
tr.unread td { color: var(--bright); }
.dot-unread { color: var(--cyan); }
.dot-read   { color: var(--dim); }

.msg-meta { display: flex; flex-direction: column; gap: 4px; margin-bottom: 16px; }
.msg-meta span { color: var(--dim); font-size: 12px; }
.msg-meta span strong { color: var(--text); }

.msg-body {
  background: var(--surface); padding: 16px; border: 1px solid var(--border);
  white-space: pre-wrap; word-break: break-word;
  max-height: 450px; overflow-y: auto;
  color: var(--bright); font-size: 13px; line-height: 1.6;
}

/* Login */
.login-page {
  min-height: 100vh; display: flex;
  align-items: center; justify-content: center;
  background: var(--bg);
}
.login-box { width: 340px; }
.login-box pre.logo { font-size: 9px; margin-bottom: 20px; }
.login-box .panel-body { display: flex; flex-direction: column; gap: 10px; }
.login-box input { width: 100%; padding: 8px 12px; }
.login-box .btn { width: 100%; padding: 9px; font-size: 13px; }
.error-msg { color: var(--red); font-size: 12px; }
.info-msg  { color: var(--dim); font-size: 12px; text-align: center; }

/* Footer */
footer {
  border-top: 1px solid var(--border); margin-top: 24px;
  padding-top: 10px; display: flex;
  justify-content: space-between; color: var(--text); font-size: 11px;
}