/* Elevator Monitor - light green theme */
:root {
    --green-50:  #f0f9f0;
    --green-100: #dcf0dc;
    --green-200: #b8e0b8;
    --green-500: #66bb6a;
    --green-600: #4caf50;
    --green-700: #388e3c;
    --green-900: #1b5e20;
    --text:      #213421;
    --muted:     #6b7f6b;
    --card:      #ffffff;
    --danger:    #d32f2f;
    --danger-bg: #fdecea;
    --warn:      #ef6c00;
    --warn-bg:   #fff3e0;
    --ok-bg:     #e8f5e9;
    --radius:    12px;
    --shadow:    0 2px 8px rgba(27, 94, 32, 0.10);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--green-50);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.center { text-align: center; }
.pad { padding: 12px; }
.hidden { display: none !important; }

/* ---- Buttons ---- */
.btn {
    display: inline-block; border: none; cursor: pointer;
    border-radius: 8px; padding: 10px 18px; font-size: 1rem;
    text-decoration: none; transition: background 0.15s;
}
.btn-primary { background: var(--green-600); color: #fff; }
.btn-primary:hover { background: var(--green-700); }
.btn-outline {
    background: transparent; color: var(--green-700);
    border: 1px solid var(--green-500);
}
.btn-outline:hover { background: var(--green-100); }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ---- Login ---- */
.login-body { justify-content: center; align-items: center; }
.login-card {
    background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
    padding: 32px; width: min(400px, 92vw); margin: auto;
}
.brand { text-align: center; margin-bottom: 18px; }
.brand-icon { font-size: 2.4rem; }
.brand h1 { margin: 8px 0 4px; font-size: 1.5rem; color: var(--green-900); }
.login-card label { display: block; margin: 14px 0 4px; font-weight: 600; }
.login-card input {
    width: 100%; padding: 10px 12px; border: 1px solid var(--green-200);
    border-radius: 8px; font-size: 1rem; background: var(--green-50);
}
.login-card input:focus { outline: 2px solid var(--green-500); border-color: var(--green-500); }
.login-card .btn { margin-top: 20px; }

.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 10px; }
.alert-error { background: var(--danger-bg); color: var(--danger); }

/* ---- Top bar ---- */
.topbar { background: var(--green-600); color: #fff; box-shadow: var(--shadow); }
.topbar-inner {
    max-width: 1100px; margin: 0 auto; padding: 10px 16px;
    display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
}
.brand-row { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.1rem; }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a {
    color: #eaf6ea; text-decoration: none; padding: 8px 14px; border-radius: 8px;
}
.topbar nav a:hover, .topbar nav a.active { background: var(--green-700); color: #fff; }
.user-box { display: flex; align-items: center; gap: 12px; }
.user-box .muted { color: #dcf0dc; }
.topbar .btn-outline { color: #fff; border-color: #a5d6a7; }
.topbar .btn-outline:hover { background: var(--green-700); }

/* ---- Critical alert banner ---- */
.alert-banner {
    background: var(--danger); color: #fff; text-align: center;
    padding: 10px 16px; font-weight: 600;
}

/* ---- Layout ---- */
.page { max-width: 1100px; margin: 0 auto; padding: 20px 16px; width: 100%; flex: 1; }
.page-title { color: var(--green-900); margin-top: 4px; }
.footer { padding: 16px; }

.cards-grid {
    display: grid; gap: 18px;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}
.card {
    background: var(--card); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 18px;
}

/* ---- Elevator card ---- */
.elev-head { display: flex; justify-content: space-between; align-items: start; gap: 10px; }
.elev-name { font-weight: 700; font-size: 1.1rem; color: var(--green-900); margin: 0; }
.elev-loc { margin: 2px 0 0; }

.pill {
    display: inline-block; padding: 3px 12px; border-radius: 999px;
    font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
}
.pill-online  { background: var(--ok-bg); color: var(--green-700); }
.pill-offline { background: var(--danger-bg); color: var(--danger); }
.pill-info     { background: var(--green-100); color: var(--green-700); }
.pill-warning  { background: var(--warn-bg); color: var(--warn); }
.pill-critical { background: var(--danger-bg); color: var(--danger); }

.elev-body { display: flex; gap: 16px; margin-top: 14px; }

/* Shaft visualization */
.shaft {
    width: 58px; border: 2px solid var(--green-200); border-radius: 8px;
    background: var(--green-50); display: flex; flex-direction: column-reverse;
    overflow: hidden; min-height: 180px;
}
.shaft-floor {
    flex: 1; border-top: 1px dashed var(--green-200);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.65rem; color: var(--muted); position: relative;
}
.shaft-floor.car {
    background: var(--green-500); color: #fff; font-weight: 700;
    border-radius: 4px;
}
.shaft-floor.car.fault { background: var(--danger); }

.stats { flex: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 14px; align-content: start; }
.stat .label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; }
.stat .value { font-weight: 700; font-size: 1.05rem; }

.fault-box { margin-top: 12px; padding: 10px 12px; border-radius: 8px; font-size: 0.92rem; }
.fault-info     { background: var(--ok-bg); color: var(--green-700); }
.fault-warning  { background: var(--warn-bg); color: var(--warn); }
.fault-critical { background: var(--danger-bg); color: var(--danger); font-weight: 600; }

.tech-line { margin-top: 12px; font-size: 0.88rem; }
.tech-line a { color: var(--green-700); font-weight: 600; text-decoration: none; }
.updated-line { margin-top: 6px; font-size: 0.78rem; }

/* ---- History ---- */
.filter-row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.filter-row select {
    padding: 8px 12px; border-radius: 8px; border: 1px solid var(--green-200);
    background: #fff; font-size: 0.95rem;
}
.events-table { width: 100%; border-collapse: collapse; }
.events-table th {
    text-align: left; font-size: 0.8rem; text-transform: uppercase;
    color: var(--muted); padding: 8px 10px; border-bottom: 2px solid var(--green-100);
}
.events-table td { padding: 10px; border-bottom: 1px solid var(--green-50); font-size: 0.92rem; }
.events-table tr:hover td { background: var(--green-50); }
.code-chip {
    font-family: Consolas, monospace; background: var(--green-100);
    padding: 2px 8px; border-radius: 6px; font-size: 0.85rem;
}

@media (max-width: 640px) {
    .topbar-inner { gap: 10px; }
    .events-table th:nth-child(2), .events-table td:nth-child(2) { display: none; }
}