:root {
  --beige-0: #f7f3e9;
  --beige-1: #efe8d6;
  --beige-2: #e5dcc3;
  --line: #d8ccae;
  --green-0: #1f3d2f;
  --green-1: #2e5842;
  --green-2: #3d7357;
  --green-soft: #e8efe8;
  --accent: #3d7357;
  --danger: #a8412f;
  --danger-soft: #f0dcd6;
  --ok: #2e7d4f;
  --warn: #b8791f;
  --ink: #23291f;
  --ink-soft: #5c6152;
  --shadow: 0 2px 10px rgba(31, 61, 47, .10);
  --radius: 14px;
  font-size: 16px;
}

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

body {
  font-family: -apple-system, "Segoe UI", Roboto, system-ui, sans-serif;
  background: var(--beige-0);
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
}

.hidden { display: none !important; }
.screen { min-height: 100vh; }

/* ---------- LOGIN ---------- */
#login {
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 50% 30%, var(--beige-1), var(--beige-2));
}
.login-card {
  background: var(--beige-0);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 34px 30px;
  width: 340px;
  box-shadow: var(--shadow);
  text-align: center;
}
.logo { font-size: 30px; font-weight: 800; color: var(--green-1); }
.subtitle { color: var(--ink-soft); margin: 4px 0 22px; font-size: 14px; letter-spacing: .04em; }
.pin-display {
  height: 26px; margin-bottom: 6px; letter-spacing: 14px; font-size: 30px;
  color: var(--green-1); min-height: 34px;
}
.pin-error { color: var(--danger); font-size: 13px; height: 18px; margin-bottom: 10px; }
.keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.keypad button {
  font-size: 24px; padding: 18px 0; border: 1px solid var(--line);
  background: var(--beige-1); border-radius: 14px; color: var(--ink);
  cursor: pointer; transition: transform .05s, background .15s;
}
.keypad button:active { transform: scale(.94); background: var(--beige-2); }
.key-ok { background: var(--green-1) !important; color: #fff !important; border-color: var(--green-1) !important; }
.key-clear { background: var(--danger-soft) !important; color: var(--danger) !important; }
.host-row { margin-top: 20px; text-align: left; }
.host-row label { font-size: 12px; color: var(--ink-soft); display: block; margin-bottom: 4px; }
.host-row input, .modal-card input, .modal-card textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 10px; background: #fff; font-size: 15px; color: var(--ink);
}
.conn-status { margin-top: 14px; font-size: 13px; color: var(--ink-soft); }
.conn-status.ok { color: var(--ok); }
.conn-status.err { color: var(--danger); }

/* ---------- OFFLINE BANNER ---------- */
.offline-banner {
  background: var(--danger); color: #fff; text-align: center;
  padding: 12px 18px; font-size: 15px; font-weight: 600;
}
.offline-banner .ob-host { font-weight: 400; opacity: .85; margin-left: 8px; font-size: 13px; }

/* ---------- TOPBAR ---------- */
.topbar {
  display: flex; align-items: center; gap: 24px;
  background: var(--green-1); color: #fff; padding: 12px 22px;
  position: sticky; top: 0; z-index: 10;
}
.brand { font-weight: 800; font-size: 20px; }
.tabs { display: flex; gap: 6px; flex: 1; }
.tab {
  background: transparent; border: none; color: #d8e6dc; padding: 8px 16px;
  border-radius: 10px; cursor: pointer; font-size: 15px;
}
.tab.active { background: rgba(255,255,255,.16); color: #fff; }
.clocks { display: flex; align-items: center; gap: 18px; }
.clock { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.1; }
.clock span:last-child { font-variant-numeric: tabular-nums; font-size: 18px; font-weight: 600; }
.clabel { font-size: 10px; letter-spacing: .12em; color: #a9c5b5; }
.icon-btn { background: rgba(255,255,255,.14); color: #fff; border: none; border-radius: 8px; width: 34px; height: 34px; font-size: 16px; cursor: pointer; }
.icon-btn:active { transform: scale(.95); }
.link-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--danger); }
.link-dot.ok { background: #7fe0a0; }
.data-dir { font-size: 12px; color: var(--ink-soft); font-family: Consolas, monospace; }
.col-act { width: 150px; text-align: right; white-space: nowrap; }
.col-act .btn.small { margin-left: 6px; }
.edited { color: var(--warn); cursor: help; }
.muted { color: var(--ink-soft); font-weight: 400; font-size: 14px; }

/* ---------- PAGES ---------- */
.tabpage { padding: 22px; max-width: 1200px; margin: 0 auto; }

/* Station panel */
.station-panel {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
  background: var(--beige-1); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow);
}
.station-left { display: flex; flex-direction: column; justify-content: center; }
.station-status { display: flex; flex-direction: column; justify-content: center; }

/* Inline "prepare station" form on the dashboard */
.station-prep { display: flex; flex-direction: column; }
.prep-title { font-size: 13px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 10px; }
.prep-fields { display: flex; flex-direction: column; gap: 10px; }
.pf label { font-size: 11px; color: var(--ink-soft); display: block; margin-bottom: 3px; }
.pf input, .pf select { width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px; background: #fff; font-size: 15px; color: var(--ink); font-family: inherit; }
.pf .type-row { display: flex; gap: 8px; }
.pf .type-row select { flex: 0 0 120px; }
.pf .type-row input { flex: 1; }
.ss-title { font-size: 15px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .05em; }
.ss-title.active { color: var(--ok); font-weight: 700; }
.ss-timer { font-size: 54px; font-weight: 800; color: var(--green-1); font-variant-numeric: tabular-nums; }
.ss-meta { font-size: 14px; color: var(--ink-soft); }
.station-buttons { display: grid; grid-template-rows: 1fr 1fr; gap: 12px; }
.big-btn {
  font-size: 22px; font-weight: 700; border: none; border-radius: 14px;
  cursor: pointer; color: #fff; padding: 16px; transition: transform .05s, opacity .15s;
}
.big-btn:active { transform: scale(.98); }
.big-btn.start { background: var(--green-2); }
.big-btn.stop { background: var(--danger); }
.big-btn:disabled { opacity: .4; cursor: not-allowed; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin: 18px 0; }
.card-value.ok { color: var(--ok); }
.card-value.warn { color: var(--danger); }
.card-value.off { color: #9a927e; }
.card {
  background: var(--beige-0); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow);
}
.card-label { font-size: 12px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .05em; }
.card-value { font-size: 28px; font-weight: 700; color: var(--green-1); margin-top: 4px; }

/* Panels */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.panel {
  background: var(--beige-0); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); margin-bottom: 18px;
}
.panel h2 { font-size: 16px; color: var(--green-1); margin-bottom: 12px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.panel-head h2 { margin: 0; }

.inst-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.inst-table th { text-align: left; color: var(--ink-soft); font-weight: 600; padding: 6px 10px; border-bottom: 1px solid var(--line); font-size: 12px; }
.inst-table td { padding: 9px 10px; border-bottom: 1px solid var(--beige-2); vertical-align: middle; }
.col-status { width: 130px; }
.col-time { width: 140px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.col-dur { width: 100px; font-variant-numeric: tabular-nums; }
.col-ok { width: 64px; }
.col-exp { width: 96px; text-align: right; }
.badge { display: inline-block; min-width: 78px; text-align: center; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 700; letter-spacing: .02em; }
.badge.on { background: var(--green-soft); color: var(--ok); }
.badge.wait { background: #f3ead2; color: var(--warn); }
.badge.off { background: var(--beige-2); color: #9a927e; }
.hint { font-size: 13px; color: var(--ink-soft); margin: -4px 0 14px; }

.feed { font-family: "SF Mono", Consolas, monospace; font-size: 12.5px; height: 220px; overflow-y: auto; background: #fbf8ef; border-radius: 10px; padding: 10px; }
.feed div { padding: 2px 0; border-bottom: 1px solid var(--beige-1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.feed .fi { color: var(--green-2); font-weight: 600; }
.feed .ft { color: var(--ink-soft); }

.err-list div { font-size: 13px; padding: 5px 0; color: var(--danger); border-bottom: 1px solid var(--beige-2); }

/* Admin */
.inst-config { display: flex; flex-direction: column; gap: 12px; }
.inst-row {
  display: grid; grid-template-columns: 1.4fr 1fr .8fr .9fr .8fr auto auto; gap: 10px;
  align-items: center; background: var(--beige-1); padding: 12px; border-radius: 12px; border: 1px solid var(--line);
}
.inst-row input, .inst-row select {
  padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font-size: 14px; width: 100%;
}
.inst-row .field-label { font-size: 10px; color: var(--ink-soft); display: block; margin-bottom: 3px; text-transform: uppercase; }
.inst-del { background: var(--danger-soft); color: var(--danger); border: none; border-radius: 8px; padding: 9px 12px; cursor: pointer; font-size: 16px; }
.toggle { display: flex; align-items: center; gap: 6px; font-size: 13px; }

.admin-actions { margin-top: 18px; display: flex; align-items: center; gap: 14px; }
.save-msg { font-size: 13px; color: var(--ok); }

.btn { background: var(--beige-2); border: 1px solid var(--line); color: var(--ink); padding: 10px 18px; border-radius: 10px; cursor: pointer; font-size: 15px; }
.btn.primary { background: var(--green-1); color: #fff; border-color: var(--green-1); }
.btn.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn.small { padding: 6px 14px; font-size: 13px; }
.btn:active { transform: scale(.98); }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(31,41,31,.45); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal-card { background: var(--beige-0); border-radius: 18px; padding: 26px; width: 440px; max-width: 92vw; box-shadow: var(--shadow); }
.modal-card h2 { color: var(--green-1); margin-bottom: 16px; }
.form-grid label { font-size: 13px; color: var(--ink-soft); display: block; margin: 14px 0 5px; }
.form-grid label:first-child { margin-top: 0; }
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 10px; background: #fff; font-size: 15px; color: var(--ink); font-family: inherit;
}
.type-row { display: flex; gap: 10px; }
.type-row select { flex: 0 0 140px; }
.type-row input { flex: 1; }
.toggle-row { display: flex; gap: 24px; margin-top: 4px; }
.radio { display: inline-flex; align-items: center; gap: 7px; font-size: 15px; color: var(--ink); cursor: pointer; }
.radio input { width: auto; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 24px; }

/* Responsive */
@media (max-width: 820px) {
  .station-panel { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .clocks .clock:nth-child(2) { display: none; }
  .inst-row { grid-template-columns: 1fr 1fr; }
}