/* ===========================================================
   RAT site - base styles (navbar, forms, IoT/maps/admin pages).
   Storefront pages use shop.css (RAT look, scoped under .shop).
   =========================================================== */

:root {
  /* Default palette (dark); /theme.css (Website -> Look) overrides these on :root and .shop */
  --bg: #101720;
  --bg-alt: #0B1119;
  --card: #1A2431;
  --border: #2C3A49;
  --text: #EAF3FA;
  --text-dim: #93A7B8;
  --accent: #4FC3F7;
  --accent-2: #1E88E5;
  --on-accent: #0B1119;   /* text on accent-coloured buttons */
  --warning: #E0A15F;
  --accent-warn: #EF6B6B;
  --radius: 4px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --max-width: 1440px;
  --font-display: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
}

body {
  background-image:
    radial-gradient(circle at 15% 0%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 40%),
    radial-gradient(circle at 85% 20%, color-mix(in srgb, var(--accent-2) 8%, transparent), transparent 45%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -0.01em; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;              /* main is a flex child of body; without this it shrinks to its content */
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 40px);
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg-alt) 90%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 64px;
}

.brand {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand .dot { color: var(--accent); }
.brand-logo { font-family: var(--font-display); font-size: 1.05rem; line-height: 1.1; white-space: nowrap; gap: 12px; }
.brand-logo { flex-shrink: 0; }
.brand-logo img { height: 40px; width: auto; max-width: 220px; object-fit: contain; }

.nav-links {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 18px;
  font-size: 0.92rem;
}
.nav-links a {
  white-space: nowrap;
  color: var(--text-dim);
  transition: color 0.15s ease;
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -18px;
  height: 2px;
  background: var(--accent);
}

.cart-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
}
.cart-pill .badge {
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 700;
  border-radius: 999px;
  min-width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  padding: 0 5px;
}

.nav-toggle { display: none; }
.cart-pill.active { border-color: var(--accent); }
.cart-pill.active::after { display: none; }

/* ---------- Account dropdown (logged-in tools) ---------- */
.nav-menu { position: relative; }
.nav-menu summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text-dim);
  white-space: nowrap;
  padding: 4px 10px 4px 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.nav-menu summary::-webkit-details-marker { display: none; }
.nav-menu summary:hover, .nav-menu[open] summary, .nav-menu summary.active { color: var(--text); border-color: var(--accent); }
.nav-avatar {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--on-accent);
  font-weight: 700; font-size: 0.8rem;
}
.nav-menu .caret { font-size: 0.7rem; opacity: 0.7; }
.nav-menu-panel {
  position: absolute;
  right: 0; top: calc(100% + 10px);
  min-width: 200px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 6px;
  display: flex; flex-direction: column;
  z-index: 60;
}
.nav-menu-panel a { padding: 9px 12px; border-radius: 6px; }
.nav-menu-panel a:hover { background: var(--card); }
.nav-menu-panel a.active { color: var(--accent); }
.nav-menu-panel a.active::after { display: none; }
.nav-menu-panel hr { border: 0; border-top: 1px solid var(--border); margin: 6px 4px; width: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 80%, #fff); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 0.82rem; }

/* ---------- Inputs ---------- */
.search-input, .form-input, select.form-input {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  width: 100%;
}
.search-input:focus, .form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}
/* ---------- Forms / auth ---------- */
.auth-card {
  max-width: 420px;
  margin: 60px auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
}
.auth-card h1 { margin-top: 0; font-size: 1.5rem; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 0.85rem; color: var(--text-dim); margin-bottom: 6px; }
.field .errorlist { list-style: none; padding: 0; margin: 6px 0 0; color: var(--accent-warn); font-size: 0.8rem; }
.help-row { display: flex; justify-content: space-between; margin-top: 14px; font-size: 0.85rem; color: var(--text-dim); }

/* ---------- Messages ---------- */
.messages { list-style: none; padding: 0; margin: 16px 0; display: flex; flex-direction: column; gap: 8px; }
.messages li {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  border: 1px solid var(--border);
  background: var(--card);
}
.messages .success { border-color: var(--accent); color: var(--accent); }
.messages .error { border-color: var(--accent-warn); color: var(--accent-warn); }
.messages .info { border-color: var(--accent-2); color: var(--accent-2); }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  margin-top: auto;
  padding: 28px 0;
  color: var(--text-dim);
  font-size: 0.85rem;
  text-align: center;
}

/* ---------- Toast (JS add-to-cart feedback) ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--card);
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 12px 18px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-size: 0.88rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 100;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ---------- Responsive nav (hamburger below 960px) ---------- */
@media (max-width: 960px) {
  .nav-links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px;
    gap: 14px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a.active { color: var(--accent); }
  .nav-links a.active::after { display: none; }
  .nav-menu { width: 100%; }
  .nav-menu-panel { position: static; box-shadow: none; margin-top: 8px; }
  .nav-toggle {
    display: inline-flex;
    background: none;
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 8px;
    padding: 8px 10px;
    cursor: pointer;
  }
}

/* ---- Back button + breadcrumbs (every page except home) ---- */
.backrow{display:flex;align-items:center;flex-wrap:wrap;gap:6px 16px;padding:16px 0 0;margin:0 0 4px;}
.crumbs{list-style:none;display:flex;flex-wrap:wrap;align-items:center;margin:0;padding:0;
  font-size:13px;color:var(--text-dim,#9fadbd);min-width:0}
.crumbs li{display:inline-flex;align-items:center;min-width:0}
.crumbs li + li::before{content:'/';margin:0 8px;opacity:.5}
.crumbs a{color:var(--text-dim,#9fadbd)}
.crumbs a:hover{color:var(--accent,#4FC3F7)}
.crumbs [aria-current]{color:var(--text,#e6ecf2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:40ch}
/* pages already get their own top spacing; keep the gap under the crumbs tight */
.backrow ~ .shop:not(.iiot-page){padding-top:28px}
.backrow ~ .shop.iiot-page .iiot-hero{margin-top:16px}
.btn-back{
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  background:transparent;border:1px solid var(--border,#2a3542);
  color:var(--text-dim,#9fadbd);font-size:13px;padding:6px 13px;border-radius:8px;
  font-family:inherit;text-decoration:none;transition:border-color .15s,color .15s;
}
.btn-back:hover{border-color:var(--accent,#4FC3F7);color:var(--text,#e6ecf2)}

/* ---- Sign-up note about the admin-issued verification codes ---- */
.signup-note{
  font-size:13px;line-height:1.55;color:var(--text-dim,#9fadbd);
  background:color-mix(in srgb, var(--accent) 7%, transparent);border:1px solid var(--border,#2a3542);
  border-left:3px solid var(--accent,#4FC3F7);
  border-radius:0 8px 8px 0;padding:12px 14px;margin:6px 0 18px;
}
.signup-note strong{color:var(--text,#e6ecf2)}

/* ---- IoT per-user data table (added) ---- */
.iot-mydata{margin-top:6px}
.iot-mydata table{width:100%;border-collapse:collapse;font-size:14px}
.iot-mydata td{padding:9px 12px;border-bottom:1px solid var(--border,#2a3542);vertical-align:top}
.iot-mydata tr:last-child td{border-bottom:none}
.iot-mydata .t{font-family:'IBM Plex Mono',monospace;color:var(--accent,#4FC3F7);width:40%;word-break:break-all}
.iot-mydata .d{font-family:'IBM Plex Mono',monospace;word-break:break-all}
.iot-mydata .ts{color:var(--text-dim,#9fadbd);font-size:11px;text-align:right;white-space:nowrap}
.iot-scope{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--text-dim,#9fadbd)}

/* ---- Floating WhatsApp button (shop pages) ---- */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:55;display:inline-flex;align-items:center;gap:8px;
  background:#25d366;color:#fff;font-weight:600;font-size:14px;padding:11px 16px 11px 12px;border-radius:999px;
  box-shadow:0 8px 24px rgba(0,0,0,.35);transition:transform .15s ease,box-shadow .15s ease}
.wa-float svg{width:24px;height:24px}
.wa-float:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(37,211,102,.35)}
@media (max-width:720px){
  .wa-float{bottom:calc(76px + env(safe-area-inset-bottom,0px));right:14px;padding:12px}
  .wa-float span{display:none}
}

/* ---- Keyboard focus: visible ring on every interactive element ---- */
a:focus-visible, button:focus-visible, summary:focus-visible,
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
/* nav link colour must not override button text colour */
.nav-links a.btn-primary, .nav-links a.btn-primary:hover { color: var(--on-accent); }
.nav-links a.btn-outline { color: var(--text); }