/* ═══════════════════════════════════════════════════════════════
   PREMIUM UI POLISH v2 — design refinement layer
   Resolves token conflicts, enforces spacing rhythm, refines
   components, adds micro-interactions + loading states.
   Loaded LAST → wins via specificity + cascade.
   ═══════════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ─────────────────────────────────────────── */
:root {
  /* Slate-based neutral palette */
  --bg:           #f1f5f9;
  --bg-grad:      linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%);
  --panel:        #ffffff;
  --panel-alt:    #f8fafc;
  --ink:          #0f172a;
  --ink-soft:     #334155;
  --muted:        #64748b;
  --muted-dim:    #94a3b8;
  --line:         #e2e8f0;
  --line-strong:  #cbd5e1;

  /* Brand: confident modern blue */
  --brand:        #2563eb;
  --brand-dark:   #1d4ed8;
  --brand-darker: #1e3a8a;
  --brand-soft:   rgba(37, 99, 235, 0.08);
  --brand-tint:   rgba(37, 99, 235, 0.14);

  /* Semantic accents */
  --green:        #059669;
  --green-soft:   rgba(5, 150, 105, 0.10);
  --amber:        #d97706;
  --amber-soft:   rgba(217, 119, 6, 0.10);
  --red:          #dc2626;
  --red-soft:     rgba(220, 38, 38, 0.10);
  --cyan:         #0891b2;
  --violet:       #7c3aed;

  /* Layered shadows */
  --shadow-sm:    0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow:       0 2px 4px rgba(15, 23, 42, 0.04), 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-md:    0 4px 12px rgba(15, 23, 42, 0.06), 0 12px 32px rgba(15, 23, 42, 0.08);
  --shadow-lg:    0 12px 32px rgba(15, 23, 42, 0.10), 0 32px 64px rgba(15, 23, 42, 0.12);
  --shadow-glow:  0 0 0 6px var(--brand-soft);

  /* Type scale (modular 1.250 ratio) */
  --text-xs:   11px;
  --text-sm:   12.5px;
  --text-base: 14px;
  --text-md:   15px;
  --text-lg:   17px;
  --text-xl:   22px;
  --text-2xl:  28px;
  --text-3xl:  34px;
  --text-4xl:  44px;

  /* Spacing (4px base) */
  --s-1: 4px;   --s-2: 8px;   --s-3: 12px;  --s-4: 16px;
  --s-5: 24px;  --s-6: 32px;  --s-8: 48px;  --s-10: 64px;

  /* Radius */
  --r-xs:   4px;
  --r-sm:   6px;
  --r:      10px;
  --r-md:   14px;
  --r-lg:   20px;
  --r-xl:   28px;
  --r-pill: 999px;

  /* Easing curves (Material Sharp) */
  --ease:        cubic-bezier(0.2, 0.0, 0.2, 1);
  --ease-out:    cubic-bezier(0.0, 0.0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── BASE ──────────────────────────────────────────────────── */
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.011em;
  background: var(--bg-grad) !important;
  background-attachment: fixed !important;
  color: var(--ink);
  line-height: 1.5;
}

.kpi-card .value, .stat-tile strong, .plan-card .value, td, th,
.fleet-chip strong, .hero-badge strong, .insight-card .value,
.chart-row .value, .progress-num, .filter-chip {
  font-variant-numeric: tabular-nums;
}

/* ── HERO ──────────────────────────────────────────────────── */
.hero, .form-hero {
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(124, 58, 237, 0.35) 0%, transparent 50%),
    radial-gradient(120% 100% at 100% 100%, rgba(8, 145, 178, 0.35) 0%, transparent 50%),
    linear-gradient(135deg, #0a2e6b 0%, #1e40af 50%, #2563eb 100%) !important;
  position: relative;
  overflow: hidden;
  padding: var(--s-6) var(--s-5) var(--s-8) !important;
}
.hero::after, .form-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(transparent calc(100% - 1px), rgba(255, 255, 255, 0.04) calc(100% - 1px)),
    linear-gradient(90deg, transparent calc(100% - 1px), rgba(255, 255, 255, 0.04) calc(100% - 1px));
  background-size: 64px 64px;
  pointer-events: none;
  opacity: 0.5;
}
.hero-inner, .form-hero-inner { position: relative; z-index: 1; }

.hero h1, .form-hero h1 {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.028em;
  margin: 0 0 var(--s-2);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}
.hero p, .form-hero p {
  font-size: var(--text-md);
  opacity: 0.82;
  font-weight: 400;
  line-height: 1.55;
  max-width: 64ch;
  margin-top: var(--s-3);
}
.eyebrow {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em !important;
  font-weight: 700 !important;
  opacity: 0.80 !important;
  margin: 0 0 var(--s-3) !important;
  display: inline-block;
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Hero pills (glassmorphism) */
.hero-pill, .hero-badge {
  background: rgba(255, 255, 255, 0.10) !important;
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.16) !important;
  border-radius: var(--r-md) !important;
  padding: var(--s-3) var(--s-4) !important;
  color: #fff !important;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.10), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.hero-pill:hover, .hero-badge:hover {
  background: rgba(255, 255, 255, 0.18) !important;
  transform: translateY(-2px);
}
.hero-pill strong, .hero-badge strong {
  font-size: var(--text-md);
  font-weight: 700;
  color: #fff !important;
  display: block;
  margin-top: 4px;
}
.hero-pill span, .hero-badge .label {
  font-size: var(--text-xs) !important;
  text-transform: uppercase;
  letter-spacing: 0.08em !important;
  font-weight: 600 !important;
  opacity: 0.75 !important;
  color: #fff !important;
  margin: 0 !important;
}

/* ── PAGE ──────────────────────────────────────────────────── */
.page {
  padding: var(--s-5) !important;
  margin-top: -36px !important;
  max-width: 1320px;
}

/* ── PANELS / CARDS ───────────────────────────────────────── */
.panel, .form-card, .kpi-card, .insight-card, .plan-card,
.fleet-card, .stat-tile, .curve-card, .boq-card,
.type-shortage-card, .fleet-plan-card {
  background: var(--panel) !important;
  border-radius: var(--r-md) !important;
  border: 1px solid var(--line) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: box-shadow 0.2s var(--ease), transform 0.15s var(--ease);
}
.panel {
  padding: var(--s-5) !important;
  margin-bottom: var(--s-4) !important;
  backdrop-filter: none !important; /* override styles.css blur (perf) */
}
.kpi-card:hover, .insight-card:hover, .plan-card:hover, .fleet-card:hover {
  box-shadow: var(--shadow-md) !important;
  transform: translateY(-2px);
}

/* ── KPI GRID ─────────────────────────────────────────────── */
.kpi-grid {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)) !important;
  gap: var(--s-3) !important;
}
.kpi-card {
  padding: var(--s-4) !important;
  position: relative;
  overflow: hidden;
}
.kpi-card::after {
  content: "" !important;
  position: absolute !important;
  inset: 0 0 auto 0 !important;
  height: 3px !important;
  background: linear-gradient(90deg, var(--brand), var(--cyan)) !important;
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}
.kpi-card:hover::after { opacity: 1; }
.kpi-card .label {
  font-size: var(--text-xs) !important;
  text-transform: uppercase;
  letter-spacing: 0.08em !important;
  font-weight: 700 !important;
  color: var(--muted) !important;
}
.kpi-card .value {
  font-size: var(--text-2xl) !important;
  font-weight: 800 !important;
  letter-spacing: -0.025em;
  color: var(--ink) !important;
  margin: var(--s-2) 0 4px !important;
  line-height: 1.1;
}
.kpi-card .caption {
  font-size: var(--text-xs) !important;
  color: var(--muted) !important;
  line-height: 1.4;
}

/* ── KPI delta indicator ─────────────────────────────────── */
.kpi-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}
.kpi-delta {
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--r-pill);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.005em;
}
.kpi-delta.up   { background: var(--green-soft); color: var(--green); }
.kpi-delta.down { background: var(--red-soft);   color: var(--red); }
.kpi-delta.flat { background: var(--panel-alt);  color: var(--muted); }

/* ── SECTION HEADS ────────────────────────────────────────── */
.section-kicker {
  font-size: var(--text-xs) !important;
  text-transform: uppercase;
  letter-spacing: 0.10em !important;
  font-weight: 700 !important;
  color: var(--brand) !important;
  margin: 0 0 4px !important;
  opacity: 1 !important;
}
.panel h2, h2 {
  font-size: var(--text-xl) !important;
  font-weight: 700 !important;
  letter-spacing: -0.018em !important;
  margin: 0 0 var(--s-3) !important;
  color: var(--ink);
}
.section-note { color: var(--muted) !important; font-size: var(--text-sm); line-height: 1.55; }

/* ── BUTTONS ─────────────────────────────────────────────── */
button {
  font-weight: 600 !important;
  border-radius: var(--r) !important;
  transition: all 0.15s var(--ease) !important;
  letter-spacing: -0.005em;
  cursor: pointer;
  font-family: inherit;
  padding: 10px var(--s-4) !important;
  font-size: var(--text-base);
}
button.primary, .btn-primary {
  background: linear-gradient(180deg, var(--brand) 0%, var(--brand-dark) 100%) !important;
  color: #fff !important;
  border: 1px solid var(--brand-dark) !important;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.18) inset,
    0 1px 2px rgba(37, 99, 235, 0.32),
    0 4px 12px rgba(37, 99, 235, 0.12) !important;
}
button.primary:hover, .btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.18) inset,
    0 4px 12px rgba(37, 99, 235, 0.36),
    0 8px 20px rgba(37, 99, 235, 0.18) !important;
}
button.primary:active, .btn-primary:active {
  transform: translateY(0);
  filter: brightness(0.96);
}
button.secondary {
  background: var(--brand-soft) !important;
  color: var(--brand-dark) !important;
  border: 1px solid var(--brand-tint) !important;
  box-shadow: none !important;
}
button.secondary:hover {
  background: var(--brand-tint) !important;
  border-color: var(--brand) !important;
}
button.ghost {
  background: transparent !important;
  color: var(--ink-soft) !important;
  border: 1px solid var(--line-strong) !important;
  box-shadow: none !important;
}
button.ghost:hover {
  background: var(--panel-alt) !important;
  border-color: var(--ink-soft) !important;
}

/* ── INPUTS ──────────────────────────────────────────────── */
input, select, textarea {
  border-radius: var(--r) !important;
  border: 1px solid var(--line-strong) !important;
  background: var(--panel) !important;
  padding: 10px var(--s-3) !important;
  font-size: var(--text-base) !important;
  font-family: inherit !important;
  color: var(--ink) !important;
  transition: border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}
input::placeholder, textarea::placeholder { color: var(--muted-dim); }
input:focus, select:focus, textarea:focus {
  outline: none !important;
  border-color: var(--brand) !important;
  box-shadow: var(--shadow-glow) !important;
}

/* ── FILTERS ─────────────────────────────────────────────── */
.filters {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)) !important;
  gap: var(--s-3) !important;
}
.filters label span {
  font-size: var(--text-xs) !important;
  font-weight: 700 !important;
  color: var(--muted) !important;
  text-transform: uppercase;
  letter-spacing: 0.06em !important;
  margin-bottom: 6px;
}

/* ── STATUS PILLS / CHIPS ───────────────────────────────── */
.status-pill, .filter-chip {
  border-radius: var(--r-pill) !important;
  font-weight: 600 !important;
  font-size: var(--text-xs) !important;
  padding: 5px 11px !important;
  letter-spacing: 0.02em;
  line-height: 1.4;
}
.filter-chip {
  background: var(--brand-soft) !important;
  color: var(--brand-dark) !important;
  border: 1px solid var(--brand-tint) !important;
}

/* ── PROGRESS BARS ──────────────────────────────────────── */
.progress-track, .bar-track {
  background: var(--line) !important;
  border-radius: var(--r-pill) !important;
  height: 8px !important;
  overflow: hidden;
}
.progress-fill, .bar-fill {
  background: linear-gradient(90deg, var(--brand), var(--cyan)) !important;
  border-radius: var(--r-pill);
  transition: width 0.6s var(--ease);
  box-shadow: 0 1px 4px rgba(37, 99, 235, 0.30) inset;
}
.bar-fill.green { background: linear-gradient(90deg, var(--green), #10b981) !important; }
.bar-fill.amber { background: linear-gradient(90deg, var(--amber), #f59e0b) !important; }
.bar-fill.brand { background: linear-gradient(90deg, var(--brand), var(--cyan)) !important; }

/* ── TABLES ─────────────────────────────────────────────── */
table { font-size: var(--text-sm) !important; border-collapse: collapse; width: 100%; }
th {
  text-transform: uppercase;
  font-size: var(--text-xs) !important;
  letter-spacing: 0.06em;
  font-weight: 700 !important;
  color: var(--muted) !important;
  padding: var(--s-3) var(--s-3) !important;
  border-bottom: 1px solid var(--line) !important;
  text-align: left;
  background: var(--panel-alt) !important;
}
td {
  padding: var(--s-3) var(--s-3) !important;
  border-bottom: 1px solid var(--line) !important;
  color: var(--ink-soft);
}
tbody tr { transition: background 0.12s var(--ease); }
tbody tr:hover td { background: var(--brand-soft); }
tr:last-child td { border-bottom: none; }

/* ── EMPTY STATE ────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--s-6) var(--s-4) !important;
  color: var(--muted);
  font-size: var(--text-sm);
  background: var(--panel-alt);
  border-radius: var(--r) !important;
  border: 1px dashed var(--line-strong);
}
.empty-state::before {
  content: "✦";
  display: block;
  font-size: 32px;
  margin-bottom: var(--s-2);
  opacity: 0.35;
  color: var(--brand);
}

/* ── STATUS BADGE (Memuat/Siap/Gagal) ───────────────────── */
#statusText {
  font-weight: 700;
  position: relative;
  padding-left: 16px !important;
  display: inline-block;
}
#statusText::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  transform: translateY(-50%);
  box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.25);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.25); }
  50%      { box-shadow: 0 0 0 8px rgba(74, 222, 128, 0.05); }
}

/* ── CONN BADGE ─────────────────────────────────────────── */
.conn-badge {
  border-radius: var(--r-pill) !important;
  padding: 5px 11px 5px 13px !important;
  font-weight: 700 !important;
  font-size: var(--text-xs) !important;
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.02em;
}
.conn-badge.online {
  background: rgba(74, 222, 128, 0.18) !important;
  color: #ecfdf5 !important;
  border: 1px solid rgba(74, 222, 128, 0.35);
}
.conn-badge.offline {
  background: rgba(248, 113, 113, 0.25) !important;
  color: #fee2e2 !important;
  border: 1px solid rgba(248, 113, 113, 0.40);
}
.conn-badge-dot {
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.20);
  animation: pulse-dot 1.6s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}

/* ── FIELD LABELS ───────────────────────────────────────── */
.field span, label > span:first-child {
  font-size: var(--text-sm) !important;
  font-weight: 600 !important;
  color: var(--ink-soft) !important;
  letter-spacing: -0.005em;
}
.field em { color: var(--red); font-style: normal; margin-left: 2px; }

/* ── TOPNAV ─────────────────────────────────────────────── */
.topnav {
  background:
    radial-gradient(120% 200% at 0% 0%, rgba(124, 58, 237, 0.25) 0%, transparent 50%),
    linear-gradient(135deg, #0a2e6b 0%, #1d4ed8 100%) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 24px rgba(10, 46, 107, 0.20) !important;
}
.topnav-brand { font-weight: 700; letter-spacing: -0.01em; }
.topnav-logo {
  background: rgba(255, 255, 255, 0.15) !important;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.22) !important;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.10) inset;
}

/* ── FORM CARD ──────────────────────────────────────────── */
.form-card {
  padding: var(--s-5) !important;
  margin-bottom: var(--s-4) !important;
}
.form-card h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--s-4) !important;
}
.form-card h2 .step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.30);
}

/* ── FORM HINT (cumulative warning) ─────────────────────── */
.hint {
  background: var(--amber-soft);
  border-left: 3px solid var(--amber);
  padding: 10px var(--s-3) !important;
  border-radius: var(--r-sm);
  color: var(--ink-soft) !important;
  font-size: var(--text-sm) !important;
  line-height: 1.5;
}

/* ── LOADING SKELETON ───────────────────────────────────── */
.skeleton, [data-loading="true"] {
  background: linear-gradient(90deg, var(--line) 0%, var(--panel-alt) 50%, var(--line) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.4s var(--ease) infinite;
  border-radius: var(--r-sm);
  color: transparent !important;
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}

/* ── TOAST (replace alert) ──────────────────────────────── */
.toast-container {
  position: fixed;
  top: var(--s-5);
  right: var(--s-5);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  pointer-events: none;
}
.toast {
  background: var(--panel);
  border-radius: var(--r-md);
  padding: var(--s-3) var(--s-4);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand);
  min-width: 240px;
  max-width: 380px;
  pointer-events: auto;
  animation: toast-in 0.3s var(--ease-spring);
  font-size: var(--text-sm);
  color: var(--ink);
}
.toast.success { border-left-color: var(--green); }
.toast.error   { border-left-color: var(--red); }
.toast.warn    { border-left-color: var(--amber); }
@keyframes toast-in {
  from { transform: translateX(110%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ── HOVER LIFT FOR LINKS ──────────────────────────────── */
a { transition: color 0.15s var(--ease); }
a:hover { color: var(--brand-dark); }

/* ── PHOTO PREVIEW (form) ─────────────────────────────── */
.photo-thumb {
  border-radius: var(--r) !important;
  border: 1px solid var(--line) !important;
  overflow: hidden;
  transition: transform 0.15s var(--ease);
}
.photo-thumb:hover { transform: scale(1.02); box-shadow: var(--shadow); }

/* ── EQUIPMENT TYPE SHORTAGE refinement ───────────────── */
.type-shortage-card { background: var(--panel) !important; }
.type-shortage-card summary { padding: var(--s-3) var(--s-4) !important; font-size: var(--text-base) !important; }
.type-shortage-card[open] { box-shadow: var(--shadow) !important; }
.type-shortage-status { padding: 4px 10px !important; border-radius: var(--r-pill) !important; font-size: var(--text-xs) !important; }
.type-shortage-meta > div { background: var(--panel-alt) !important; border-radius: var(--r-sm) !important; }
.type-shortage-meta span { font-size: 10.5px !important; letter-spacing: 0.06em !important; }
.type-shortage-meta strong { font-size: var(--text-sm) !important; }

/* ── BOQ refinement ────────────────────────────────────── */
.boq-card { background: var(--panel) !important; }
.boq-totals > div { background: var(--panel-alt) !important; border-radius: var(--r-sm) !important; padding: 10px var(--s-3) !important; }
.boq-totals strong { font-size: var(--text-base) !important; }

/* ── FLEET PLAN refinement ─────────────────────────────── */
.fleet-plan-card { background: var(--panel) !important; padding: var(--s-4) !important; }
.fleet-plan-row-bars { background: var(--panel-alt) !important; border-radius: var(--r-sm) !important; }
.fleet-plan-bar-plan { background: var(--brand-tint) !important; }
.fleet-plan-bar-actual { background: linear-gradient(90deg, var(--brand), var(--cyan)) !important; }

/* ── MOBILE ─────────────────────────────────────────────── */
@media (max-width: 720px) {
  .hero h1, .form-hero h1 { font-size: var(--text-2xl); }
  .panel, .form-card { padding: var(--s-4) !important; }
  .kpi-card .value { font-size: var(--text-xl) !important; }
  .page { padding: var(--s-3) !important; margin-top: -28px !important; }
  .hero, .form-hero { padding: var(--s-5) var(--s-4) var(--s-6) !important; }
}

/* Reduce motion respect */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}