/* ============================================================
   assets/style.css — SIWA Water Monitoring System
   ============================================================ */

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

:root {
  --bg:      #0d1117;
  --bg2:     #161b22;
  --bg3:     #1c2333;
  --bg4:     #21262d;
  --border:  #30363d;
  --border2: #444c56;
  --text:    #e6edf3;
  --muted:   #8b949e;
  --muted2:  #484f58;
  --blue:    #58a6ff;
  --cyan:    #56d364;
  --red:     #f85149;
  --orange:  #d29922;
  --yellow:  #e3b341;
  --green:   #3fb950;
  --purple:  #bc8cff;
  --sidebar-w: 240px;
  --top-h:     52px;
  --r:         8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  font-size: 14px;
  line-height: 1.5;
}

/* ── LINKS ── */
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ──────────────────────────────────────────
   SIDEBAR
────────────────────────────────────────── */
#sidebar {
  position: fixed; top: 0; left: 0;
  width: var(--sidebar-w); height: 100vh;
  background: var(--bg2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; z-index: 200;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
  overflow-y: auto; overflow-x: hidden;
}
#sidebar::-webkit-scrollbar { width: 3px; }
#sidebar::-webkit-scrollbar-thumb { background: var(--border2); }

.sb-logo {
  padding: 15px 18px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px; flex-shrink: 0;
}
.sb-logo-icon {
  width: 34px; height: 34px; border-radius: 6px; flex-shrink: 0;
  background: linear-gradient(135deg, #1f6feb, #388bfd);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Bebas Neue', sans-serif; font-size: 18px;
  color: #fff; letter-spacing: .05em;
}
.sb-logo-name { font-family: 'Bebas Neue', sans-serif; font-size: 17px; letter-spacing: .08em; }
.sb-logo-sub  { font-size: 10px; color: var(--muted); letter-spacing: .1em; text-transform: uppercase; }

.sb-nav { padding: 10px 10px 4px; flex: 1; }
.sb-group-label {
  font-size: 10px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--muted2); padding: 12px 8px 5px;
}
.sb-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 6px; cursor: pointer;
  font-size: 13px; color: var(--muted); transition: all .15s;
  margin-bottom: 1px; font-weight: 400;
  border: 1px solid transparent; text-decoration: none;
}
.sb-item:hover { background: rgba(255,255,255,.05); color: var(--text); text-decoration: none; }
.sb-item.active { background: rgba(88,166,255,.1); color: var(--blue); border-color: rgba(88,166,255,.2); }
.sb-item svg { flex-shrink: 0; opacity: .55; }
.sb-item.active svg { opacity: 1; }
.sb-badge {
  margin-left: auto; background: rgba(248,81,73,.15);
  color: var(--red); border-radius: 10px; padding: 1px 7px;
  font-size: 10px; font-weight: 600;
}
.sb-footer { padding: 12px; border-top: 1px solid var(--border); flex-shrink: 0; }
.sb-user { display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: 6px; background: rgba(255,255,255,.03); }
.sb-avatar { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg,#1f6feb33,#388bfd33); border: 1px solid rgba(88,166,255,.3); display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 600; color: var(--blue); flex-shrink: 0; }
.sb-username { font-size: 12px; font-weight: 500; }
.sb-role     { font-size: 10px; color: var(--muted); }

/* ── OVERLAY ── */
#sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.55); z-index: 150; cursor: pointer;
}
#sidebar-overlay.active { display: block; }

/* ──────────────────────────────────────────
   TOPBAR
────────────────────────────────────────── */
#topbar {
  position: fixed; top: 0; left: var(--sidebar-w); right: 0;
  height: var(--top-h); background: rgba(13,17,23,.93);
  backdrop-filter: blur(16px); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 20px; gap: 10px; z-index: 100;
}
.tb-menu-btn {
  display: none; background: transparent; border: none;
  color: var(--muted); cursor: pointer; padding: 4px;
  border-radius: 5px; align-items: center;
}
.tb-menu-btn:hover { color: var(--text); background: rgba(255,255,255,.06); }
.tb-title { font-size: 13px; font-weight: 400; color: var(--muted); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tb-title strong { color: var(--text); font-weight: 600; font-size: 14px; }
.tb-controls { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.tb-icons { display: flex; align-items: center; gap: 4px; margin-left: 4px; }
.tb-icon-btn { width: 34px; height: 34px; border-radius: 6px; background: transparent; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--muted); transition: all .15s; position: relative; }
.tb-icon-btn:hover { background: rgba(255,255,255,.06); color: var(--text); }
.tb-notif { position: absolute; top: 6px; right: 6px; width: 6px; height: 6px; border-radius: 50%; background: var(--red); border: 1.5px solid var(--bg); }
.tb-user-chip { display: flex; align-items: center; gap: 8px; padding: 4px 8px; border-radius: 6px; background: rgba(255,255,255,.03); border: 1px solid var(--border); margin-left: 4px; }
.tb-user-avatar { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg,#1f6feb33,#388bfd33); border: 1px solid rgba(88,166,255,.3); display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 600; color: var(--blue); flex-shrink: 0; }
.tb-user-name { font-size: 11px; font-weight: 500; }
.tb-user-role { font-size: 10px; color: var(--muted); }

/* Controls */
.tb-select {
  appearance: none; background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font-size: 12px; font-family: inherit;
  padding: 5px 26px 5px 10px; cursor: pointer; outline: none; transition: border-color .15s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b949e' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 7px center;
}
.tb-select:focus { border-color: var(--blue); }
.tb-btn { display: flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 6px; background: var(--bg3); border: 1px solid var(--border); color: var(--muted); font-size: 12px; font-family: inherit; cursor: pointer; transition: all .15s; white-space: nowrap; }
.tb-btn:hover { border-color: var(--blue); color: var(--blue); }
.tb-btn svg { flex-shrink: 0; }

/* ──────────────────────────────────────────
   MAIN CONTENT
────────────────────────────────────────── */
#main { margin-left: var(--sidebar-w); padding-top: var(--top-h); min-height: 100vh; }
.page-wrap { padding: 20px; }

/* ── GRIDS ── */
.g1 { display: grid; grid-template-columns: 1fr; gap: 14px; }
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.g3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.g4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.g5 { display: grid; grid-template-columns: repeat(5,1fr); gap: 14px; }
.span2 { grid-column: span 2; }
.span3 { grid-column: span 3; }
.span4 { grid-column: span 4; }
.row2  { grid-row: span 2; }

/* ── SPACING ── */
.mb10 { margin-bottom: 10px; }
.mb14 { margin-bottom: 14px; }
.mb20 { margin-bottom: 20px; }
.mt10 { margin-top: 10px; }
.mt14 { margin-top: 14px; }
.mt20 { margin-top: 20px; }
.mt6  { margin-top: 6px; }

/* ──────────────────────────────────────────
   CARDS
────────────────────────────────────────── */
.card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r); padding: 18px; position: relative; overflow: hidden;
}
.card-h { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 14px; gap: 8px; }
.card-title { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 500; }
.card-sub   { font-size: 11px; color: var(--muted2); margin-top: 3px; }
.card-tag   { font-size: 10px; padding: 2px 8px; border-radius: 12px; background: rgba(88,166,255,.1); color: var(--blue); font-family: 'IBM Plex Mono', monospace; white-space: nowrap; flex-shrink: 0; }
.card-tag-red { background: rgba(248,81,73,.1); color: var(--red); }
.card-tag-green { background: rgba(63,185,80,.1); color: var(--green); }

/* ──────────────────────────────────────────
   BIG NUMBERS
────────────────────────────────────────── */
.bignum      { font-family: 'Bebas Neue', sans-serif; letter-spacing: .02em; line-height: 1; }
.bignum-xl   { font-size: clamp(52px, 8vw, 88px); }
.bignum-lg   { font-size: clamp(36px, 6vw, 64px); }
.bignum-md   { font-size: clamp(26px, 4vw, 44px); }
.bignum-sm   { font-size: clamp(20px, 3vw, 32px); }
.unit-lbl    { font-size: 11px; color: var(--muted); letter-spacing: .05em; margin-bottom: 3px; }
.num-pos     { color: var(--text); }
.num-neg     { color: var(--red); }
.num-warn    { color: var(--yellow); }
.num-good    { color: var(--green); }
.num-muted   { color: var(--muted); }

.stat-pair   { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 6px; }
.divider     { height: 1px; background: var(--border); margin: 14px 0; }

/* Delivered card special layout */
.delivered-card { display: flex; flex-direction: column; gap: 0; padding: 22px 24px; }

/* ──────────────────────────────────────────
   TABLES
────────────────────────────────────────── */
.tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.dtable { width: 100%; border-collapse: collapse; font-size: 12.5px; min-width: 500px; }
.dtable th {
  text-align: left; padding: 8px 12px;
  font-size: 10px; text-transform: uppercase;
  letter-spacing: .08em; color: var(--muted2);
  border-bottom: 1px solid var(--border); font-weight: 500;
  white-space: nowrap; background: var(--bg2);
  position: sticky; top: 0;
}
.dtable th.r, .dtable td.r { text-align: right; }
.dtable th.c, .dtable td.c { text-align: center; }
.dtable td   { padding: 8px 12px; border-bottom: 1px solid rgba(255,255,255,.03); vertical-align: middle; }
.dtable tr:last-child td { border: none; }
.dtable tr:hover td { background: rgba(255,255,255,.02); }
.dtable a    { color: var(--blue); font-family: 'IBM Plex Mono', monospace; font-size: 11px; }
.dtable a:hover { text-decoration: underline; }

/* Scrollable table container */
.tbl-scroll { max-height: 420px; overflow-y: auto; }
.tbl-scroll::-webkit-scrollbar { width: 4px; }
.tbl-scroll::-webkit-scrollbar-thumb { background: var(--border2); }

/* ──────────────────────────────────────────
   CHIPS, PILLS, BADGES
────────────────────────────────────────── */
.chip {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 26px; height: 20px; border-radius: 10px;
  padding: 0 7px; font-size: 11px; font-weight: 600;
  font-family: 'IBM Plex Mono', monospace;
}
.chip-red    { background: rgba(248,81,73,.12); color: var(--red); }
.chip-orange { background: rgba(210,153,34,.12); color: var(--orange); }
.chip-blue   { background: rgba(88,166,255,.12); color: var(--blue); }
.chip-green  { background: rgba(63,185,80,.12);  color: var(--green); }
.chip-muted  { background: rgba(139,148,158,.1); color: var(--muted); }

.pill { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 12px; font-size: 11px; font-weight: 500; }
.pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill-open      { background: rgba(248,81,73,.1);   color: var(--red);    }
.pill-closed    { background: rgba(63,185,80,.1);   color: var(--green);  }
.pill-ongoing   { background: rgba(227,179,65,.1);  color: var(--yellow); }
.pill-planned   { background: rgba(88,166,255,.1);  color: var(--blue);   }
.pill-cancelled { background: rgba(139,148,158,.08);color: var(--muted);  }
.pill-done      { background: rgba(63,185,80,.1);   color: var(--green);  }
.pill-high      { background: rgba(248,81,73,.12);  color: var(--red);    }
.pill-normal    { background: rgba(88,166,255,.1);  color: var(--blue);   }
.pill-low       { background: rgba(139,148,158,.1); color: var(--muted);  }
.pill-critical  { background: rgba(248,81,73,.2);   color: var(--red); font-weight: 700; }

/* ──────────────────────────────────────────
   PERFORMANCE BARS
────────────────────────────────────────── */
.perf-item { padding: 7px 0; border-bottom: 1px solid rgba(255,255,255,.03); }
.perf-item:last-child { border: none; }
.perf-hdr  { display: flex; align-items: center; justify-content: space-between; margin-bottom: 5px; gap: 8px; }
.perf-name { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 180px; }
.perf-vals { display: flex; gap: 12px; font-size: 11px; font-family: 'IBM Plex Mono', monospace; flex-shrink: 0; }
.perf-prev { color: var(--muted2); }
.bar-wrap  { display: flex; flex-direction: column; gap: 3px; }
.bar-track { height: 6px; background: rgba(255,255,255,.06); border-radius: 3px; overflow: hidden; }
.bar-fill  { height: 100%; border-radius: 3px; transition: width 1.2s cubic-bezier(.25,.46,.45,.94); width: 0; }
.bf-green  { background: var(--green); }
.bf-yellow { background: var(--yellow); }
.bf-red    { background: var(--red); }
.bf-gray   { background: var(--muted2); }
.bf-prev   { background: var(--bg4); }

/* ──────────────────────────────────────────
   PIE / DONUT LEGEND
────────────────────────────────────────── */
.pie-legend { display: flex; flex-direction: column; gap: 7px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.pie-item   { display: flex; align-items: center; gap: 8px; }
.pie-dot    { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.pie-label  { font-size: 11.5px; color: var(--muted); flex: 1; }
.pie-val    { font-family: 'IBM Plex Mono', monospace; font-size: 12px; }

/* ──────────────────────────────────────────
   LEGEND STRIP
────────────────────────────────────────── */
.legend-strip { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.legend-item  { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--muted); }
.ldot         { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.ldash        { width: 14px; height: 2px; border-radius: 1px; flex-shrink: 0; }

/* ──────────────────────────────────────────
   STAT BLOCKS (KPI Cards)
────────────────────────────────────────── */
.stat-block { background: var(--bg3); border: 1px solid var(--border); border-radius: 6px; padding: 14px 16px; }
.sb-val     { font-family: 'Bebas Neue', sans-serif; font-size: 32px; line-height: 1; letter-spacing: .02em; }
.sb-sub     { font-size: 12px; color: var(--text); font-weight: 500; margin-top: 2px; }
.sb-lbl     { font-size: 11px; color: var(--muted); margin-top: 4px; }
.sb-change  { font-size: 11px; font-family: 'IBM Plex Mono', monospace; margin-top: 6px; }
.change-up  { color: var(--red); }
.change-dn  { color: var(--green); }

/* ──────────────────────────────────────────
   CHART WRAPPER
────────────────────────────────────────── */
.chart-box { position: relative; width: 100%; }

/* ──────────────────────────────────────────
   PAGINATION
────────────────────────────────────────── */
.pagination { display: flex; align-items: center; gap: 4px; margin-top: 16px; flex-wrap: wrap; }
.page-btn   {
  padding: 5px 10px; border-radius: 5px; font-size: 12px;
  border: 1px solid var(--border); background: var(--bg3);
  color: var(--muted); cursor: pointer; font-family: inherit;
  transition: all .15s; text-decoration: none; display: inline-flex; align-items: center;
}
.page-btn:hover { border-color: var(--blue); color: var(--blue); text-decoration: none; }
.page-btn.active { background: rgba(88,166,255,.15); color: var(--blue); border-color: rgba(88,166,255,.3); }
.page-btn.disabled { opacity: .4; pointer-events: none; }

/* ──────────────────────────────────────────
   SEARCH + FILTER BAR
────────────────────────────────────────── */
.filter-bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.filter-bar input[type="text"], .filter-bar select {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font-size: 12px;
  font-family: inherit; padding: 6px 12px; outline: none; transition: border-color .15s;
}
.filter-bar input[type="text"] { min-width: 200px; }
.filter-bar input[type="text"]:focus, .filter-bar select:focus { border-color: var(--blue); }
.filter-bar select { padding-right: 28px; cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b949e' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center;
}
.btn-primary { padding: 6px 14px; border-radius: 6px; background: rgba(88,166,255,.15); border: 1px solid rgba(88,166,255,.3); color: var(--blue); font-size: 12px; font-family: inherit; cursor: pointer; transition: all .15s; }
.btn-primary:hover { background: rgba(88,166,255,.25); }
.ml-auto { margin-left: auto; }
.info-count { font-size: 12px; color: var(--muted); }

/* ──────────────────────────────────────────
   MISC / UTILITY
────────────────────────────────────────── */
.mono  { font-family: 'IBM Plex Mono', monospace; }
.text-muted { color: var(--muted); }
.text-sm  { font-size: 12px; }
.text-xs  { font-size: 11px; }
.text-red { color: var(--red); }
.text-green { color: var(--green); }
.text-yellow { color: var(--yellow); }
.text-blue { color: var(--blue); }
.flex { display: flex; align-items: center; }
.gap4  { gap: 4px; }
.gap6  { gap: 6px; }
.gap8  { gap: 8px; }
.gap12 { gap: 12px; }
.gap16 { gap: 16px; }
.sep   { height: 1px; background: var(--border); margin: 14px 0; }
.no-data { text-align: center; padding: 32px; color: var(--muted); font-size: 13px; }
.w100  { width: 100%; }
.overflow-hidden { overflow: hidden; }

/* Sensor type icon dot */
.type-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.type-flow     { background: var(--blue); }
.type-pressure { background: var(--orange); }
.type-volume   { background: var(--green); }
.type-quality  { background: var(--purple); }

/* Scrollbar global */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

/* ──────────────────────────────────────────
   DETAIL MODAL (Event/Sensor detail)
────────────────────────────────────────── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.65); z-index: 500; backdrop-filter: blur(4px); align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal { background: var(--bg2); border: 1px solid var(--border2); border-radius: 12px; width: min(600px, 95vw); max-height: 85vh; display: flex; flex-direction: column; overflow: hidden; }
.modal-head { padding: 18px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; }
.modal-title { font-size: 15px; font-weight: 600; }
.modal-close { background: transparent; border: none; color: var(--muted); cursor: pointer; font-size: 20px; line-height: 1; padding: 2px 6px; border-radius: 4px; }
.modal-close:hover { color: var(--text); background: rgba(255,255,255,.06); }
.modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; flex-shrink: 0; }

/* Detail grid */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.detail-item .detail-lbl { font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted2); margin-bottom: 4px; }
.detail-item .detail-val { font-size: 13px; font-weight: 500; }

/* ──────────────────────────────────────────
   CHART BOX IN SENSORS PAGE
────────────────────────────────────────── */
.sensor-chart-wrap { background: var(--bg3); border-radius: 6px; padding: 12px; margin-top: 10px; }

/* ──────────────────────────────────────────
   RESPONSIVE
────────────────────────────────────────── */
@media (max-width: 1200px) {
  .g4 { grid-template-columns: 1fr 1fr; }
  .g3 { grid-template-columns: 1fr 1fr; }
  .g5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .g2, .g3, .g4, .g5 { grid-template-columns: 1fr; }
  .span2, .span3, .span4 { grid-column: span 1; }
  .row2 { grid-row: span 1; }
  .detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  #sidebar { --sidebar-w: 240px; transform: translateX(-100%); }
  #sidebar.open { transform: translateX(0); }
  #topbar { left: 0; }
  #main { margin-left: 0; }
  .tb-menu-btn { display: flex; }
  .tb-user-chip { display: none; }
  .page-wrap { padding: 14px; }
  .bignum-xl { font-size: 54px; }
  .bignum-lg { font-size: 40px; }
  .tb-controls .tb-btn span { display: none; }
}
@media (max-width: 480px) {
  .g4 { grid-template-columns: 1fr 1fr; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-bar input[type="text"] { min-width: unset; }
}