/* ═══════════════════════════════════════════════════════════════
   PH Las Lajas – Geotechnical Monitoring Platform
   Main stylesheet
   ═══════════════════════════════════════════════════════════════ */
:root {
  --blue-dark:  #1A4B8C;
  --blue-mid:   #3A79C8;
  --blue-light: #5B9BD5;
  --blue-pale:  #EAF2FB;
  --gray-dark:  #2C3E50;
  --gray-mid:   #7F8C9A;
  --gray-light: #F4F7FA;
  --white:      #FFFFFF;
  --border:     #D5E3F0;
  --success:    #27AE60;
  --warning:    #E67E22;
  --sidebar-w:  252px;
  --header-h:   62px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', Arial, sans-serif; background: var(--gray-light); color: var(--gray-dark); }

/* ── LOGIN ─────────────────────────────────────────────────────── */
#loginPage {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, #0D2B5E 0%, #1A4B8C 55%, #3A79C8 100%);
}
.login-card {
  background: white; border-radius: 14px; padding: 48px 40px 40px;
  width: 390px; box-shadow: 0 24px 64px rgba(0,0,0,0.35);
}
/* Logo imagen en login */
.login-logo-wrap { text-align: center; margin-bottom: 6px; }
.login-logo-img  { max-height: 40px; max-width: 190px; width: auto; display: inline-block; }
/* Logo texto (fallback) */
.login-logo { text-align: center; margin-bottom: 6px; }
.login-logo .r { font-size: 30px; font-weight: 900; color: var(--blue-dark); letter-spacing: 1px; }
.login-logo .e { font-size: 30px; font-weight: 900; color: var(--blue-light); letter-spacing: 1px; }
.login-logo .s { display: block; font-size: 9px; color: var(--blue-mid); letter-spacing: 5px; font-weight: 700; text-transform: uppercase; margin-top: 2px; }
.login-divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.login-title { text-align: center; font-size: 12px; font-weight: 700; color: var(--gray-mid); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 30px; line-height: 1.8; }
.fg { margin-bottom: 15px; }
.fg label { display: block; font-size: 10px; font-weight: 700; color: var(--gray-mid); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 5px; }
.fg input { width: 100%; padding: 11px 14px; border: 1.5px solid var(--border); border-radius: 7px; font-size: 14px; color: var(--gray-dark); transition: border-color .2s; }
.fg input:focus { outline: none; border-color: var(--blue-mid); }
/* Campo contraseña con botón ojo */
.pwd-wrap { position: relative; }
.pwd-wrap input { width: 100%; padding: 11px 42px 11px 14px; border: 1.5px solid var(--border); border-radius: 7px; font-size: 14px; color: var(--gray-dark); transition: border-color .2s; }
.pwd-wrap input:focus { outline: none; border-color: var(--blue-mid); }
.pwd-eye {
  position: absolute; right: 11px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; padding: 4px;
  color: var(--gray-mid); display: flex; align-items: center;
  transition: color .15s;
}
.pwd-eye:hover { color: var(--blue-mid); }
/* Recordar inicio de sesión */
.remember-row { margin: 6px 0 14px; }
.remember-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 12px; color: var(--gray-mid); font-weight: 600; }
.remember-label input[type=checkbox] { width: 15px; height: 15px; accent-color: var(--blue-dark); cursor: pointer; }
/* Botón login */
.btn-login { width: 100%; padding: 13px; background: var(--blue-dark); color: white; border: none; border-radius: 7px; font-size: 13px; font-weight: 700; letter-spacing: 1.5px; cursor: pointer; text-transform: uppercase; margin-top: 6px; transition: background .2s; }
.btn-login:hover { background: var(--blue-mid); }
.login-foot { text-align: center; font-size: 11px; color: var(--gray-mid); margin-top: 22px; line-height: 1.6; }

/* ── HEADER ────────────────────────────────────────────────────── */
.hdr {
  position: fixed; top: 0; left: 0; right: 0; height: var(--header-h);
  background: var(--blue-dark); display: flex; align-items: center;
  padding: 0 22px; z-index: 100; box-shadow: 0 2px 10px rgba(0,0,0,0.3); gap: 0;
}
/* Logo Rock Exam en header — imagen sobre fondo oscuro */
.hdr-logo { display: flex; align-items: center; }
.hdr-logo-img { max-height: 30px; max-width: 130px; width: auto;
  filter: brightness(0) invert(1); display: block; }
/* Logo texto (fallback si no carga la imagen) */
.hdr-logo .r { font-size: 19px; font-weight: 900; color: white; }
.hdr-logo .e { font-size: 19px; font-weight: 900; color: var(--blue-light); }
.hdr-logo .s { display: block; font-size: 7.5px; color: rgba(255,255,255,0.55); letter-spacing: 3.5px; text-transform: uppercase; margin-top: 1px; }
/* Logo Alto Maipo en header */
.alto-maipo-logo-img { max-height: 30px; width: auto; display: block;
  filter: brightness(0) invert(1); }
.hdr-sep { width: 1px; height: 30px; background: rgba(255,255,255,0.18); margin: 0 18px; }
.hdr-proj .lbl { font-size: 9.5px; color: rgba(255,255,255,0.5); letter-spacing: 2px; text-transform: uppercase; }
.hdr-proj .name { font-size: 13.5px; font-weight: 600; color: white; margin-top: 1px; }
.client-logo-wrap { display: flex; align-items: center; gap: 10px; margin-left: 18px; padding-left: 18px; border-left: 1px solid rgba(255,255,255,0.18); }
.client-tag { font-size: 8px; color: rgba(255,255,255,0.4); letter-spacing: 2px; text-transform: uppercase; display: block; margin-bottom: 3px; }
.alto-maipo-svg { height: 26px; width: auto; }
.hdr-right { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.hdr-upd { font-size: 10.5px; color: rgba(255,255,255,0.55); text-align: right; line-height: 1.6; }
.hdr-upd .lbl-upd { display: block; font-size: 9px; color: rgba(255,255,255,0.4); letter-spacing: 1.5px; text-transform: uppercase; }
.hdr-upd strong { color: rgba(255,255,255,0.9); display: block; }
#hdrUpdVal { color: rgba(255,255,255,0.9); font-weight: 700; font-size: 11px; }
.hdr-user { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.1); border-radius: 20px; padding: 5px 14px 5px 5px; }
.hdr-avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--blue-light); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 800; color: white; }
.hdr-uname { font-size: 12.5px; color: white; font-weight: 600; }
.btn-out { background: none; border: 1px solid rgba(255,255,255,0.28); color: rgba(255,255,255,0.85); padding: 5px 12px; border-radius: 5px; font-size: 11.5px; cursor: pointer; text-decoration: none; }
.btn-out:hover { background: rgba(255,255,255,0.1); }

/* ── SIDEBAR ───────────────────────────────────────────────────── */
.sdb {
  position: fixed; top: var(--header-h); left: 0; bottom: 0;
  width: var(--sidebar-w); background: white;
  border-right: 1px solid var(--border); overflow-y: auto; z-index: 90;
  padding-bottom: 24px;
}
.nav-sec { padding: 18px 18px 5px; font-size: 9.5px; font-weight: 800; color: var(--gray-mid); letter-spacing: 2px; text-transform: uppercase; }
.nav-item {
  display: flex; align-items: center; gap: 9px; padding: 9px 18px;
  cursor: pointer; font-size: 13px; color: var(--gray-dark);
  border-left: 3px solid transparent; transition: all .15s; text-decoration: none;
}
.nav-item:hover { background: var(--blue-pale); color: var(--blue-dark); }
.nav-item.active { background: var(--blue-pale); color: var(--blue-dark); border-left-color: var(--blue-dark); font-weight: 700; }
.nav-icon { font-size: 15px; width: 20px; text-align: center; flex-shrink: 0; }
.nav-badge { margin-left: auto; background: var(--blue-dark); color: white; font-size: 9.5px; padding: 2px 7px; border-radius: 10px; font-weight: 700; }
.nav-badge.pz { background: #27AE60; }

/* ── MAIN ──────────────────────────────────────────────────────── */
.main { margin-left: var(--sidebar-w); margin-top: var(--header-h); padding: 26px; min-height: calc(100vh - var(--header-h)); }

/* ── PAGE HEADER ───────────────────────────────────────────────── */
.ph { margin-bottom: 22px; }
.ph .bc { font-size: 10px; color: var(--gray-mid); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 5px; }
.ph h1 { font-size: 21px; font-weight: 800; color: var(--blue-dark); }
.ph p  { font-size: 12.5px; color: var(--gray-mid); margin-top: 3px; }

/* ── FLASH ─────────────────────────────────────────────────────── */
.flash-wrap { position: fixed; top: calc(var(--header-h) + 10px); right: 20px; z-index: 200; }
.flash { padding: 12px 18px; border-radius: 7px; font-size: 12.5px; font-weight: 600; margin-bottom: 8px; }
.flash-error   { background: #FDEDED; color: #C0392B; border: 1px solid #F5B7B1; }
.flash-warning { background: #FEF9E7; color: #D35400; border: 1px solid #FAD7A0; }
.flash-success { background: #E8F8F0; color: #1E8449; border: 1px solid #A9DFBF; }

/* ── DATA STATUS BAR ───────────────────────────────────────────── */
.data-status-bar {
  background: white; border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 20px; margin-bottom: 18px; display: flex; align-items: center;
  gap: 0; border-left: 4px solid var(--blue-dark);
}
.ds-item { display: flex; flex-direction: column; padding: 0 24px; border-right: 1px solid var(--border); }
.ds-item:first-child { padding-left: 0; }
.ds-item:last-child { border-right: none; }
.ds-lbl { font-size: 9px; font-weight: 800; color: var(--gray-mid); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 3px; }
.ds-val { font-size: 15px; font-weight: 800; color: var(--blue-dark); }
.ds-val.ok { color: var(--success); }
.ds-sub { font-size: 10px; color: var(--gray-mid); margin-top: 1px; }
.ds-status { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.ds-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--success); display: inline-block; box-shadow: 0 0 0 3px rgba(39,174,96,0.2); }

/* ── KPI ───────────────────────────────────────────────────────── */
.kpi-row { display: grid; gap: 14px; margin-bottom: 20px; }
.kpi-row.cols4 { grid-template-columns: repeat(4,1fr); }
.kpi-row.cols3 { grid-template-columns: repeat(3,1fr); }
.kpi-row.cols2 { grid-template-columns: repeat(2,1fr); }
.kpi { background: white; border-radius: 8px; padding: 18px 20px; border: 1px solid var(--border); position: relative; overflow: hidden; }
.kpi::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--blue-mid); }
.kpi.pz::before { background: var(--success); }
.kpi-lbl { font-size: 9.5px; font-weight: 800; color: var(--gray-mid); letter-spacing: 1.5px; text-transform: uppercase; }
.kpi-val { font-size: 26px; font-weight: 900; color: var(--blue-dark); margin: 5px 0 2px; }
.kpi-val.pz { color: var(--success); }
.kpi-sub { font-size: 10.5px; color: var(--gray-mid); }
.kpi-ico { position: absolute; right: 14px; top: 12px; font-size: 22px; opacity: 0.12; }

/* ── CAVERN PLAN ───────────────────────────────────────────────── */
.cavern-plan-wrap { background: white; border: 1px solid var(--border); border-radius: 8px; padding: 18px 22px; margin-bottom: 18px; }
.cavern-plan-wrap h4 { font-size: 11px; font-weight: 800; color: var(--gray-mid); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 12px; }
.cavern-plan-wrap svg { width: 100%; height: auto; max-height: 200px; }
/* Esquema real (imagen) */
.cavern-plan-img-wrap { overflow: hidden; border-radius: 6px; background: #F8FAFB; border: 1px solid var(--border); cursor: zoom-in; text-align:center; }
.cavern-plan-img { width: auto; height: auto; max-height: 160px; max-width: 100%; object-fit: contain; display: inline-block; transition: max-height .4s ease; }
.cavern-plan-img-wrap:hover .cavern-plan-img { max-height: 340px; cursor: zoom-out; }

/* ── OVERVIEW SECTION CARDS ────────────────────────────────────── */
.ov-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-bottom: 22px; }
.ov-sec { background: white; border-radius: 10px; border: 1px solid var(--border); padding: 18px 20px; cursor: pointer; transition: all .2s; border-top: 3px solid var(--blue-dark); }
.ov-sec:hover { box-shadow: 0 4px 16px rgba(26,75,140,0.12); transform: translateY(-2px); }
.ov-sec h3 { font-size: 14px; font-weight: 800; color: var(--blue-dark); margin-bottom: 10px; }
.ov-row { display: flex; justify-content: space-between; align-items: center; font-size: 11px; padding: 4px 0; border-bottom: 1px solid #EEF4FA; }
.ov-row:last-child { border: none; }
.ov-lbl { color: var(--gray-mid); }
.ov-val { font-weight: 700; color: var(--gray-dark); }
.ov-pills { display: flex; gap: 5px; margin-top: 10px; }
.pill { font-size: 9.5px; font-weight: 800; padding: 3px 9px; border-radius: 10px; }
.pill-ext { background: var(--blue-pale); color: var(--blue-dark); }
.pill-pz  { background: #E8F8F0; color: var(--success); }

/* ── SECTION IMAGE BANNER ──────────────────────────────────────── */
.sec-img-banner { background: white; border: 1px solid var(--border); border-radius: 8px; padding: 16px 20px; margin-bottom: 20px; display: flex; align-items: center; gap: 16px; }
.sec-img-box { width: 220px; height: 120px; border: 2px dashed var(--border); border-radius: 6px; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--gray-mid); font-size: 11px; text-align: center; flex-shrink: 0; background: var(--gray-light); }
.sec-img-box .ico { font-size: 28px; margin-bottom: 4px; }
.sec-img-info h4 { font-size: 13px; font-weight: 700; color: var(--blue-dark); margin-bottom: 4px; }
.sec-img-info p { font-size: 12px; color: var(--gray-mid); line-height: 1.6; }

/* ── FILTER BAR ────────────────────────────────────────────────── */
.fbar { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.fbar label { font-size: 11.5px; font-weight: 700; color: var(--gray-mid); }
.fbar input[type=date] { padding: 6px 10px; border: 1.5px solid var(--border); border-radius: 5px; font-size: 12px; color: var(--gray-dark); }
.fbar input[type=date]:focus { outline: none; border-color: var(--blue-mid); }
.rbtn { padding: 5px 12px; border-radius: 4px; font-size: 11px; font-weight: 700; cursor: pointer; border: 1.5px solid var(--border); background: white; color: var(--gray-mid); transition: all .15s; }
.rbtn.active { background: var(--blue-pale); color: var(--blue-dark); border-color: var(--blue-dark); }

/* ── CHART CARDS ───────────────────────────────────────────────── */
.charts-grid { display: grid; gap: 18px; margin-bottom: 18px; }
.charts-grid.one { grid-template-columns: 1fr; }
.charts-grid.two { grid-template-columns: 1fr 1fr; }
.cc { background: white; border-radius: 8px; border: 1px solid var(--border); padding: 20px 22px; }
.cc-head { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 16px; }
.cc-title { font-size: 13px; font-weight: 800; color: var(--blue-dark); }
.cc-title.pz { color: #1E8449; }
.cc-sub { font-size: 11px; color: var(--gray-mid); margin-top: 2px; }
.cc-acts { display: flex; gap: 7px; flex-shrink: 0; }
.btn { padding: 6px 13px; border-radius: 5px; font-size: 11.5px; font-weight: 700; cursor: pointer; border: none; transition: all .15s; }
.btn-ol { border: 1.5px solid var(--border) !important; background: white; color: var(--gray-dark); }
.btn-ol:hover { border-color: var(--blue-mid) !important; color: var(--blue-dark); }
.btn-pr { background: var(--blue-dark); color: white; }
.btn-pr:hover { background: var(--blue-mid); }
.btn-gr { background: var(--success); color: white; }
.btn-gr:hover { background: #219150; }
canvas { max-height: 280px; }
.chart-empty { text-align: center; padding: 30px; color: var(--gray-mid); font-size: 12.5px; background: var(--gray-light); border-radius: 6px; margin-top: 8px; }

/* ── SENSOR TABS ───────────────────────────────────────────────── */
.sensor-tabs { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.stab { padding: 5px 13px; border-radius: 15px; font-size: 11px; font-weight: 700; cursor: pointer; border: 1.5px solid var(--border); background: white; color: var(--gray-mid); transition: all .15s; }
.stab:hover, .stab.active { background: var(--blue-dark); color: white; border-color: var(--blue-dark); }
.stab.pz:hover, .stab.pz.active { background: var(--success); border-color: var(--success); }

/* ── DATA TABLE ────────────────────────────────────────────────── */
.tcard { background: white; border-radius: 8px; border: 1px solid var(--border); overflow: hidden; margin-bottom: 18px; }
.thead-row { padding: 15px 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); }
.thead-title { font-size: 13px; font-weight: 800; color: var(--blue-dark); }
.twrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 11.5px; }
th { background: var(--gray-light); padding: 9px 14px; text-align: left; font-weight: 800; color: var(--gray-mid); font-size: 9.5px; letter-spacing: 1px; text-transform: uppercase; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 8px 14px; border-bottom: 1px solid #EEF4FA; color: var(--gray-dark); white-space: nowrap; }
tr:hover td { background: var(--blue-pale); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 9.5px; font-weight: 800; }
.b-ok { background: #E8F8F0; color: var(--success); }
.b-info { background: var(--blue-pale); color: var(--blue-dark); }

/* ── DOWNLOAD PAGE ─────────────────────────────────────────────── */
.dl-card { background: white; border-radius: 8px; border: 1px solid var(--border); padding: 28px 30px; }
.dl-card h3 { font-size: 14px; font-weight: 800; color: var(--blue-dark); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.dl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 20px; }
.ig label { display: block; font-size: 10px; font-weight: 800; color: var(--gray-mid); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 5px; }
.ig select, .ig input { width: 100%; padding: 9px 12px; border: 1.5px solid var(--border); border-radius: 6px; font-size: 13px; color: var(--gray-dark); }
.ig select:focus, .ig input:focus { outline: none; border-color: var(--blue-mid); }
.dl-btns { display: flex; gap: 10px; }

/* ── USERS PAGE ────────────────────────────────────────────────── */
.usr-grid { display: grid; grid-template-columns: 400px 1fr; gap: 20px; }
.form-card { background: white; border-radius: 8px; border: 1px solid var(--border); padding: 24px; }
.form-card h3 { font-size: 13px; font-weight: 800; color: var(--blue-dark); margin-bottom: 18px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.ig2 { margin-bottom: 13px; }
.ig2 label { display: block; font-size: 10px; font-weight: 800; color: var(--gray-mid); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 5px; }
.ig2 input, .ig2 select { width: 100%; padding: 9px 12px; border: 1.5px solid var(--border); border-radius: 6px; font-size: 13px; color: var(--gray-dark); }
.ig2 input:focus, .ig2 select:focus { outline: none; border-color: var(--blue-mid); }
.ig2-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

/* ── RESPONSIVE ────────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .ov-grid { grid-template-columns: repeat(2,1fr); }
  .kpi-row.cols4 { grid-template-columns: repeat(2,1fr); }
  .usr-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  .sdb { display: none; }
  .charts-grid.two { grid-template-columns: 1fr; }
}