/* ==========================================================================
   FoodDetect IoT — Design System
   Palet: hijau segar (kesegaran) + amber (peringatan) + slate gelap (3D depth)
   ========================================================================== */

/* ---------------------------------------------------------------- Tokens */
:root {
  /* Warna inti */
  --ink-900: #060d12;
  --ink-800: #0a1620;
  --ink-700: #0f1f2c;
  --ink-600: #16293a;
  --ink-500: #1e3548;

  --mint-300: #6ee7b7;
  --mint-400: #34d399;
  --mint-500: #10b981;
  --mint-600: #059669;

  --lime-400: #a3e635;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --rose-400: #fb7185;
  --rose-500: #f43f5e;

  --sky-400: #38bdf8;
  --violet-400: #a78bfa;

  /* Teks */
  --text-hi: #f1f7f5;
  --text-mid: #a8bcc4;
  --text-lo: #6b8290;

  /* Permukaan */
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --surface-3: rgba(255, 255, 255, 0.09);
  --border: rgba(255, 255, 255, 0.09);
  --border-hi: rgba(110, 231, 183, 0.28);

  /* Efek */
  --glow-mint: 0 0 40px rgba(16, 185, 129, 0.28);
  --glow-amber: 0 0 40px rgba(245, 158, 11, 0.25);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 28px 70px rgba(0, 0, 0, 0.5);
  --shadow-3d: 0 1px 0 rgba(255, 255, 255, 0.08) inset,
               0 -1px 0 rgba(0, 0, 0, 0.4) inset,
               0 18px 40px -12px rgba(0, 0, 0, 0.6);

  /* Radius */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 30px;
  --r-full: 999px;

  /* Ritme */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px;
  --sp-9: 96px; --sp-10: 128px;

  /* Tipografi */
  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;

  /* Gerak */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 180ms;
  --dur-mid: 320ms;
  --dur-slow: 620ms;

  /* Layout */
  --container: 1240px;
  --header-h: 76px;
}

/* ---------------------------------------------------------------- Reset */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
  overflow-x: clip;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-hi);
  background: var(--ink-900);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Latar atmosferik global */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 60% at 15% -10%, rgba(16, 185, 129, 0.16), transparent 60%),
    radial-gradient(ellipse 70% 50% at 85% 5%, rgba(56, 189, 248, 0.10), transparent 55%),
    radial-gradient(ellipse 90% 70% at 50% 110%, rgba(163, 230, 53, 0.07), transparent 60%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 45%, var(--ink-900) 100%);
}

/* Grain halus untuk kesan filmis */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; }

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }

h1, h2, h3, h4, h5 {
  margin: 0;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

::selection { background: rgba(16, 185, 129, 0.35); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink-800); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--mint-600), var(--ink-500));
  border-radius: var(--r-full);
  border: 2px solid var(--ink-800);
}
::-webkit-scrollbar-thumb:hover { background: var(--mint-500); }

/* ---------------------------------------------------------------- Layout */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}

.section { padding-block: var(--sp-9); position: relative; }
.section--tight { padding-block: var(--sp-7); }

.stack { display: flex; flex-direction: column; }
.row { display: flex; align-items: center; }
.row--between { justify-content: space-between; }
.row--gap { gap: var(--sp-4); }
.wrap { flex-wrap: wrap; }
.grow { flex: 1; min-width: 0; }

.grid { display: grid; gap: var(--sp-5); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

/* ---------------------------------------------------------------- Tipografi */
.display {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.h1 { font-size: clamp(2rem, 4.2vw, 3.2rem); }
.h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
.h4 { font-size: 1.1rem; }

.lead {
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  color: var(--text-mid);
  line-height: 1.7;
  max-width: 62ch;
}

.muted { color: var(--text-mid); }
.dim { color: var(--text-lo); }
.mono { font-family: var(--font-mono); font-size: 0.86em; letter-spacing: -0.01em; }
.tiny { font-size: 0.78rem; }
.small { font-size: 0.88rem; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }

.gradient-text {
  background: linear-gradient(120deg, var(--mint-300) 0%, var(--lime-400) 45%, var(--sky-400) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------------------------------------------------------------- Eyebrow */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 7px 15px;
  border-radius: var(--r-full);
  border: 1px solid var(--border-hi);
  background: rgba(16, 185, 129, 0.08);
  color: var(--mint-300);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.eyebrow__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mint-400);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.7);
  animation: pulse-dot 2.2s infinite;
}

@keyframes pulse-dot {
  0%   { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.65); }
  70%  { box-shadow: 0 0 0 9px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

/* ---------------------------------------------------------------- Kartu 3D */
.card {
  position: relative;
  padding: var(--sp-5);
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.055) 0%, rgba(255, 255, 255, 0.015) 55%, rgba(0, 0, 0, 0.12) 100%);
  box-shadow: var(--shadow-3d);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform var(--dur-mid) var(--ease-out),
              border-color var(--dur-mid) ease,
              box-shadow var(--dur-mid) ease;
  transform-style: preserve-3d;
  will-change: transform;
}

/* Kilau tepi atas — memberi kesan permukaan kaca 3D */
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.22), transparent 40%, transparent 65%, rgba(110, 231, 183, 0.16));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.card--hover:hover {
  transform: translateY(-6px) rotateX(1.5deg);
  border-color: var(--border-hi);
  box-shadow: var(--shadow-lg), var(--glow-mint);
}

.card--flat { box-shadow: var(--shadow-sm); }
.card--pad-lg { padding: var(--sp-6); }

/* ---------------------------------------------------------------- Tombol */
.btn {
  --btn-bg: linear-gradient(135deg, var(--mint-500), var(--mint-600));
  --btn-fg: #04120c;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 13px 26px;
  border-radius: var(--r-full);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
  box-shadow: 0 8px 24px -8px rgba(16, 185, 129, 0.6),
              0 1px 0 rgba(255, 255, 255, 0.35) inset;
  transition: transform var(--dur-fast) var(--ease-spring),
              box-shadow var(--dur-mid) ease,
              filter var(--dur-fast) ease;
  overflow: hidden;
  isolation: isolate;
}

/* Sapuan cahaya saat hover */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, transparent 25%, rgba(255, 255, 255, 0.45) 50%, transparent 75%);
  transform: translateX(-120%);
  transition: transform 700ms var(--ease-out);
}

.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -10px rgba(16, 185, 129, 0.75); }
.btn:hover::after { transform: translateX(120%); }
.btn:active { transform: translateY(0) scale(0.985); }

.btn--ghost {
  --btn-bg: rgba(255, 255, 255, 0.05);
  --btn-fg: var(--text-hi);
  border: 1px solid var(--border);
  box-shadow: none;
  backdrop-filter: blur(10px);
}
.btn--ghost:hover {
  border-color: var(--border-hi);
  background: rgba(16, 185, 129, 0.1);
  box-shadow: 0 10px 28px -14px rgba(16, 185, 129, 0.5);
}

.btn--outline {
  --btn-bg: transparent;
  --btn-fg: var(--mint-300);
  border: 1px solid var(--border-hi);
  box-shadow: none;
}
.btn--outline:hover { background: rgba(16, 185, 129, 0.1); }

.btn--danger {
  --btn-bg: linear-gradient(135deg, var(--rose-400), var(--rose-500));
  --btn-fg: #fff;
  box-shadow: 0 8px 24px -8px rgba(244, 63, 94, 0.55);
}

.btn--sm { padding: 9px 18px; font-size: 0.85rem; }
.btn--lg { padding: 16px 34px; font-size: 1rem; }
.btn--block { width: 100%; }
.btn--icon { padding: 11px; border-radius: var(--r-md); }

.btn:disabled, .btn[aria-disabled='true'] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none;
}

/* Tombol yang sengaja tetap dapat diklik meski belum ada pilihan.
   aria-disabled dipakai untuk memberi tahu pembaca layar, tetapi tombol
   TIDAK boleh benar-benar mati: pengguna harus tetap bisa mengkliknya dan
   menerima penjelasan "belum ada baris yang dipilih". */
.btn[aria-disabled='true'].is-muted {
  opacity: 0.6;
  cursor: pointer;
  pointer-events: auto;
}

/* ---------------------------------------------------------------- Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--r-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.badge--success { background: rgba(34, 197, 94, 0.14); color: #4ade80; border-color: rgba(34, 197, 94, 0.3); }
.badge--warning { background: rgba(245, 158, 11, 0.14); color: #fbbf24; border-color: rgba(245, 158, 11, 0.3); }
.badge--danger  { background: rgba(239, 68, 68, 0.14);  color: #f87171; border-color: rgba(239, 68, 68, 0.3); }
.badge--neutral { background: rgba(148, 163, 184, 0.12); color: var(--text-mid); border-color: rgba(148, 163, 184, 0.25); }
.badge--info    { background: rgba(56, 189, 248, 0.14); color: #7dd3fc; border-color: rgba(56, 189, 248, 0.3); }

.badge__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ---------------------------------------------------------------- Form */
.field { display: flex; flex-direction: column; gap: 7px; }

.label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-mid);
  letter-spacing: 0.01em;
}

.input, .select, .textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.28);
  color: var(--text-hi);
  font-size: 0.94rem;
  transition: border-color var(--dur-fast) ease,
              box-shadow var(--dur-fast) ease,
              background var(--dur-fast) ease;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset;
}

.input::placeholder, .textarea::placeholder { color: var(--text-lo); }

.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--mint-500);
  background: rgba(0, 0, 0, 0.4);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.14);
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23a8bcc4' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 15px center;
  padding-right: 42px;
  cursor: pointer;
}

.select option { background: var(--ink-700); color: var(--text-hi); }

.textarea { min-height: 110px; resize: vertical; }

.input-group { position: relative; }
.input-group .input { padding-left: 44px; }
.input-group__icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-lo);
  pointer-events: none;
  display: flex;
}

.input-group__action {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  padding: 7px;
  border-radius: var(--r-sm);
  color: var(--text-lo);
  transition: color var(--dur-fast) ease, background var(--dur-fast) ease;
}
.input-group__action:hover { color: var(--mint-300); background: rgba(16, 185, 129, 0.1); }

.checkbox {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.88rem;
  color: var(--text-mid);
  cursor: pointer;
  user-select: none;
}
.checkbox input {
  appearance: none;
  width: 18px; height: 18px;
  border-radius: 5px;
  border: 1.5px solid var(--border);
  background: rgba(0, 0, 0, 0.3);
  cursor: pointer;
  transition: all var(--dur-fast) ease;
  flex-shrink: 0;
}
.checkbox input:checked {
  background: var(--mint-500);
  border-color: var(--mint-500);
  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='%2304120c' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* ---------------------------------------------------------------- Alert */
.alert {
  display: flex;
  gap: var(--sp-3);
  padding: 14px 18px;
  border-radius: var(--r-md);
  border: 1px solid;
  font-size: 0.9rem;
  line-height: 1.55;
  animation: alert-in var(--dur-mid) var(--ease-out);
}

@keyframes alert-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.alert--success { background: rgba(34, 197, 94, 0.1);  border-color: rgba(34, 197, 94, 0.3);  color: #86efac; }
.alert--warning { background: rgba(245, 158, 11, 0.1); border-color: rgba(245, 158, 11, 0.3); color: #fcd34d; }
.alert--danger  { background: rgba(239, 68, 68, 0.1);  border-color: rgba(239, 68, 68, 0.3);  color: #fca5a5; }
.alert--info    { background: rgba(56, 189, 248, 0.1); border-color: rgba(56, 189, 248, 0.3); color: #7dd3fc; }

.alert__icon { flex-shrink: 0; margin-top: 1px; }

/* ---------------------------------------------------------------- Tabel */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
  -webkit-overflow-scrolling: touch;
}

.table { width: 100%; border-collapse: collapse; font-size: 0.88rem; min-width: 720px; }

.table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 14px 16px;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-lo);
  background: var(--ink-700);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.table tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.045);
  color: var(--text-mid);
  vertical-align: middle;
}

.table tbody tr { transition: background var(--dur-fast) ease; }
.table tbody tr:hover { background: rgba(16, 185, 129, 0.055); }
.table tbody tr:last-child td { border-bottom: none; }

.table .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--text-hi); }

/* ---------------------------------------------------------------- Animasi masuk */
/* Konten TERLIHAT secara default. Hanya elemen yang ditandai JavaScript sebagai
   "di bawah lipat" (data-reveal-pending) yang ditahan, lalu dianimasikan saat
   masuk viewport. Dengan pola ini, kegagalan JS atau CSS tidak akan pernah
   membuat isi halaman hilang — animasi murni hiasan. */
[data-reveal] {
  transition: opacity 620ms var(--ease-out), transform 620ms var(--ease-out);
}
[data-reveal-pending] {
  opacity: 0;
  transform: translateY(26px);
}
[data-reveal].is-visible,
[data-reveal-pending].is-visible {
  opacity: 1;
  transform: none;
}

[data-reveal-pending][data-reveal='left']  { transform: translateX(-32px); }
[data-reveal-pending][data-reveal='right'] { transform: translateX(32px); }
[data-reveal-pending][data-reveal='scale'] { transform: scale(0.94); }
[data-reveal-pending][data-reveal='left'].is-visible,
[data-reveal-pending][data-reveal='right'].is-visible,
[data-reveal-pending][data-reveal='scale'].is-visible { transform: none; }

/* Di layar sempit, geseran horizontal pada animasi reveal ikut melebarkan
   area gulir dan memicu overflow. Ganti dengan geseran vertikal. */
@media (max-width: 900px) {
  [data-reveal-pending][data-reveal='left'],
  [data-reveal-pending][data-reveal='right'] { transform: translateY(26px); }
}

/* ---------------------------------------------------------------- Utilitas */
.divider { height: 1px; background: var(--border); border: none; margin: 0; }
.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.mt-0 { margin-top: 0; } .mt-2 { margin-top: var(--sp-2); }
.mt-3 { margin-top: var(--sp-3); } .mt-4 { margin-top: var(--sp-4); }
.mt-5 { margin-top: var(--sp-5); } .mt-6 { margin-top: var(--sp-6); }
.mb-2 { margin-bottom: var(--sp-2); } .mb-3 { margin-bottom: var(--sp-3); }
.mb-4 { margin-bottom: var(--sp-4); } .mb-5 { margin-bottom: var(--sp-5); }
.mb-6 { margin-bottom: var(--sp-6); }
.gap-2 { gap: var(--sp-2); } .gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); } .gap-5 { gap: var(--sp-5); }

/* ---------------------------------------------------------------- Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}