/* ============================================================
   Solar Project Monitoring System — Design System
   Apple.com-style light mode: white/off-white surfaces, near-black
   text, soft ambient shadows instead of borders, pill-shaped
   controls, confident typography, understated motion.
   UZMA ENVIRONERGY SDN BHD
   ============================================================ */

:root {
  --sun:      #E8890C;   /* deepened slightly from the dark-mode orange for AA contrast on white */
  --sun-deep: #C97300;
  --sky:      #F5F5F7;   /* Apple's own page background gray */
  --sky-mid:  #FBFBFD;
  --panel:    #FFFFFF;
  --accent:   #1FAF80;   /* deepened teal for contrast on white */
  --danger:   #E0433D;
  --warn:     #C67D0A;
  --text:     #1D1D1F;   /* Apple's near-black text */
  --muted:    #6E6E73;   /* Apple's secondary gray */
  --border:   rgba(0,0,0,0.08);
  --card:     #FFFFFF;
  --sidebar-w: 250px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--sky);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

a { color: inherit; text-decoration: none; }

/* ---------------- Layout ---------------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 20;
  transition: transform 0.3s var(--ease);
}

.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 44px 48px;
  width: calc(100% - var(--sidebar-w));
}

.brand {
  padding: 28px 24px;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.brand small { display: block; color: var(--muted); font-size: 11px; font-weight: 500; letter-spacing: 0.02em; margin-top: 3px; }

.nav-section { padding: 18px 14px 4px; }
.nav-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 8px 12px 6px;
  font-weight: 600;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 14px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 2px;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}
.nav-item:hover { background: rgba(0,0,0,0.04); color: var(--text); }
.nav-item.active { background: rgba(232,137,12,0.12); color: var(--sun); font-weight: 600; }

.sidebar-bottom {
  margin-top: auto;
  padding: 18px 14px;
  border-top: 1px solid var(--border);
}
.user-chip { display: flex; align-items: center; gap: 11px; padding: 8px; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--sun), var(--sun-deep));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(232,137,12,0.35);
}
.user-chip .role { font-size: 11px; color: var(--muted); text-transform: capitalize; }
.signout-btn {
  display: block; width: 100%; margin-top: 12px; text-align: center;
  padding: 9px; border-radius: 980px; border: 1px solid var(--border);
  color: var(--muted); font-size: 13px; font-weight: 500; background: none; cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.signout-btn:hover { border-color: var(--danger); color: var(--danger); }

/* ---------------- Top bar ---------------- */
.topbar {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 36px; flex-wrap: wrap; gap: 12px;
}
.page-title { font-size: 30px; font-weight: 800; margin: 0; letter-spacing: -0.03em; color: var(--text); }
.page-subtitle { color: var(--muted); font-size: 14px; margin-top: 6px; }
.date-chip {
  background: #FFFFFF; border: 1px solid var(--border);
  padding: 9px 16px; border-radius: 980px; font-size: 13px; color: var(--muted);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

/* ---------------- Cards ---------------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03), 0 12px 28px -18px rgba(0,0,0,0.12);
}

/* ---------------- Badges ---------------- */
.badge {
  display: inline-block; padding: 4px 13px; border-radius: 980px;
  font-size: 12px; font-weight: 600; letter-spacing: -0.01em;
}
.badge-muted   { background: rgba(110,110,115,0.12); color: var(--muted); }
.badge-accent  { background: rgba(31,175,128,0.12);  color: var(--accent); }
.badge-sun     { background: rgba(232,137,12,0.12);  color: var(--sun); }
.badge-danger  { background: rgba(224,67,61,0.12);   color: var(--danger); }
.badge-warn    { background: rgba(198,125,10,0.12);  color: var(--warn); }

/* ---------------- Progress bar ---------------- */
.progress-track {
  background: rgba(0,0,0,0.07); border-radius: 980px; height: 7px;
  width: 100%; overflow: hidden; display: inline-block; vertical-align: middle;
}
.progress-fill {
  height: 100%; border-radius: 980px;
  background: linear-gradient(90deg, var(--sun), var(--accent));
  transition: width 0.4s var(--ease);
}
.progress-label { font-size: 12px; color: var(--muted); margin-left: 8px; }

/* ---------------- Tables ---------------- */
.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data-table th {
  text-align: left; color: var(--muted); font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.06em;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
}
table.data-table td { padding: 14px 16px; border-bottom: 1px solid rgba(0,0,0,0.045); color: var(--text); }
table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr { transition: background-color 0.15s var(--ease); }
table.data-table tr:hover td { background: rgba(0,0,0,0.02); }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 980px; padding: 10px 22px; font-size: 14px; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; transition: transform 0.15s var(--ease), opacity 0.15s var(--ease), background-color 0.15s var(--ease);
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--sun); color: #FFFFFF; }
.btn-primary:hover { background: var(--sun-deep); }
.btn-secondary { background: rgba(0,0,0,0.035); border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: rgba(0,0,0,0.06); }
.btn-danger { background: var(--danger); color: #FFFFFF; }
.btn-danger:hover { opacity: 0.85; }
.btn-sm { padding: 7px 15px; font-size: 12.5px; }

/* ---------------- Forms ---------------- */
.form-group { margin-bottom: 18px; }
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 7px; font-weight: 500; }
input, select, textarea {
  width: 100%; background: #FFFFFF; border: 1px solid var(--border);
  color: var(--text); padding: 11px 14px; border-radius: 12px; font-size: 14px;
  font-family: inherit; transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(31,175,128,0.14);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 700px) { .form-row { grid-template-columns: 1fr; } }

/* ---------------- Flash messages ---------------- */
.flash { padding: 13px 18px; border-radius: 14px; margin-bottom: 20px; font-size: 14px; }
.flash-success { background: rgba(31,175,128,0.08); border: 1px solid rgba(31,175,128,0.25); color: var(--accent); }
.flash-error   { background: rgba(224,67,61,0.08); border: 1px solid rgba(224,67,61,0.25); color: var(--danger); }
.flash-warning { background: rgba(198,125,10,0.08); border: 1px solid rgba(198,125,10,0.25); color: var(--warn); }

/* ---------------- Pagination ---------------- */
.pagination { display: flex; gap: 6px; margin-top: 18px; }
.page-link {
  padding: 7px 14px; border-radius: 980px; border: 1px solid var(--border);
  color: var(--muted); font-size: 13px; transition: all 0.2s var(--ease);
}
.page-link.active { background: var(--sun); color: #FFFFFF; border-color: var(--sun); }

/* ---------------- Misc ---------------- */
.muted { color: var(--muted); }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }

/* ---------------- Responsive sidebar ---------------- */
.hamburger { display: none; background: none; border: none; color: var(--text); font-size: 22px; cursor: pointer; }
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; width: 100%; padding: 24px 20px; }
  .hamburger { display: block; }
  .glow-stats { grid-template-columns: 1fr; }
}