/* Eco Solutions — Installer app design system
   Glassmorphism + blue gradient, mobile-first, friendly multi-step UI. */

:root {
  --eco-900: #062b4f;
  --eco-700: #0a4d8c;
  --eco-500: #1574d4;
  --eco-400: #2e9be6;
  --eco-300: #5bc6ea;
  --accent: #34d399; /* eco green for success/CTA accents */
  --ink: #0c2236;
  --ink-soft: #4a6378;
  --line: rgba(13, 60, 110, 0.12);
  --glass: rgba(255, 255, 255, 0.72);
  --glass-strong: rgba(255, 255, 255, 0.92);
  --radius: 20px;
  --radius-sm: 13px;
  --shadow: 0 18px 50px -22px rgba(6, 43, 79, 0.55);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font);
  color: var(--ink);
  min-height: 100vh;
  min-height: 100dvh;
  background:
    radial-gradient(120% 80% at 80% -10%, #5bc6ea 0%, transparent 55%),
    radial-gradient(120% 90% at -10% 110%, #34d399 0%, transparent 45%),
    linear-gradient(160deg, var(--eco-900) 0%, var(--eco-700) 45%, var(--eco-500) 100%);
  background-attachment: fixed;
}

.app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px 10px;
  color: #fff;
}
.topbar .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .2px; }
.topbar .brand .logo {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(150deg, #fff, #d6f1ff); color: var(--eco-700); font-size: 18px;
  box-shadow: 0 6px 18px -6px rgba(0,0,0,.4);
}
.topbar .spacer { flex: 1; }
.topbar .who { font-size: 12.5px; opacity: .9; text-align: right; line-height: 1.25; }
.linkbtn { background: none; border: none; color: #eaf6ff; font: inherit; font-size: 13px; cursor: pointer; padding: 6px; opacity: .92; }
.linkbtn:hover { opacity: 1; text-decoration: underline; }

/* ---------- Screen scaffolding ---------- */
.screen { flex: 1; padding: 8px 20px 28px; animation: fade .35s ease; display: none; }
.screen.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.card {
  background: var(--glass-strong);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}
.card + .card { margin-top: 16px; }

.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: 11px; font-weight: 700; color: var(--eco-500); margin: 0 0 6px; }
h1.title { font-size: 25px; line-height: 1.15; margin: 0 0 6px; letter-spacing: -.02em; }
.subtitle { color: var(--ink-soft); margin: 0 0 18px; font-size: 14.5px; line-height: 1.5; }

/* ---------- Hero / welcome ---------- */
.hero { color: #fff; text-align: center; padding-top: 18px; }
.hero .badge {
  width: 92px; height: 92px; margin: 6px auto 18px; border-radius: 28px; display: grid; place-items: center;
  background: linear-gradient(150deg, rgba(255,255,255,.95), rgba(214,241,255,.85));
  box-shadow: 0 20px 50px -18px rgba(0,0,0,.5); font-size: 46px;
}
.hero h1 { font-size: 30px; margin: 0 0 8px; letter-spacing: -.02em; }
.hero p { color: #dcefff; max-width: 360px; margin: 0 auto 26px; line-height: 1.55; }
.choices { display: grid; gap: 12px; }
.choice {
  display: flex; align-items: center; gap: 14px; text-align: left;
  background: var(--glass); border: 1px solid rgba(255,255,255,.5); border-radius: var(--radius);
  padding: 16px 18px; cursor: pointer; color: var(--ink); backdrop-filter: blur(12px);
  box-shadow: var(--shadow); transition: transform .15s ease;
}
.choice:hover { transform: translateY(-2px); }
.choice .ic { font-size: 26px; }
.choice .meta strong { display: block; font-size: 15.5px; }
.choice .meta span { font-size: 12.5px; color: var(--ink-soft); }

/* ---------- Forms ---------- */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.field .hint { font-weight: 400; color: var(--ink-soft); }
.input, select.input, textarea.input {
  width: 100%; font: inherit; font-size: 15px; color: var(--ink);
  background: #fff; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  padding: 13px 14px; outline: none; transition: border-color .15s, box-shadow .15s;
}
.input:focus { border-color: var(--eco-400); box-shadow: 0 0 0 4px rgba(46,155,230,.16); }
.input::placeholder { color: #9fb1c0; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.input-wrap { position: relative; }
.input-wrap .tag { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font-size: 10.5px; font-weight: 700; color: var(--accent); background: rgba(52,211,153,.12); padding: 3px 8px; border-radius: 999px; }

/* ---------- Buttons ---------- */
.btn {
  width: 100%; font: inherit; font-size: 15.5px; font-weight: 650; cursor: pointer;
  border: none; border-radius: 14px; padding: 15px 18px; color: #fff;
  background: linear-gradient(135deg, var(--eco-500), var(--eco-700));
  box-shadow: 0 14px 30px -12px rgba(10,77,140,.8); transition: filter .15s, transform .1s;
}
.btn:active { transform: translateY(1px); }
.btn:hover { filter: brightness(1.05); }
.btn[disabled] { opacity: .55; cursor: not-allowed; filter: grayscale(.2); }
.btn.secondary { background: #fff; color: var(--eco-700); border: 1.5px solid var(--line); box-shadow: none; }
.btn.ghost { background: rgba(255,255,255,.14); color: #fff; box-shadow: none; border: 1px solid rgba(255,255,255,.3); }
.btn.success { background: linear-gradient(135deg, var(--accent), #10b981); box-shadow: 0 14px 30px -12px rgba(16,185,129,.7); }
.btn-row { display: flex; gap: 12px; margin-top: 6px; }
.btn-row .btn { flex: 1; }

/* ---------- Stepper ---------- */
.stepper { display: flex; align-items: center; gap: 8px; margin: 4px 0 18px; }
.stepper .dot { flex: 1; height: 6px; border-radius: 999px; background: rgba(255,255,255,.35); overflow: hidden; }
.stepper .dot.done { background: #fff; }
.stepper .dot.current { background: linear-gradient(90deg,#fff 60%, rgba(255,255,255,.35) 60%); }
.step-label { color: #eaf6ff; font-size: 12.5px; font-weight: 600; display: flex; justify-content: space-between; margin-bottom: 8px; }

/* ---------- Capture ---------- */
.capture {
  position: relative; border: 2px dashed rgba(13,60,110,.25); border-radius: var(--radius);
  background: linear-gradient(180deg,#f4fbff,#eaf5ff); padding: 28px 18px; text-align: center;
  cursor: pointer; transition: border-color .15s, background .15s;
}
.capture:hover { border-color: var(--eco-400); }
.capture .cam { font-size: 42px; }
.capture h4 { margin: 10px 0 4px; font-size: 16px; }
.capture p { margin: 0; color: var(--ink-soft); font-size: 13px; }
.capture.has-photo { padding: 0; border-style: solid; border-color: var(--eco-300); overflow: hidden; }
.capture img.preview { width: 100%; display: block; max-height: 280px; object-fit: cover; }
.capture .retake { position: absolute; right: 10px; bottom: 10px; background: rgba(6,43,79,.82); color: #fff; border: none; border-radius: 999px; padding: 8px 14px; font: inherit; font-size: 12.5px; cursor: pointer; }
.ocr-status { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--eco-700); margin-top: 12px; min-height: 18px; }
.ocr-status .spin { width: 14px; height: 14px; border: 2px solid rgba(21,116,212,.3); border-top-color: var(--eco-500); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Review ---------- */
.review-group { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 12px; }
.review-group:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.review-group h4 { margin: 0 0 8px; font-size: 12.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--eco-500); }
.kv { display: flex; justify-content: space-between; gap: 16px; padding: 5px 0; font-size: 14px; }
.kv .k { color: var(--ink-soft); }
.kv .v { font-weight: 600; text-align: right; }
.thumbs { display: flex; gap: 10px; margin-top: 10px; }
.thumbs img { width: 50%; border-radius: 12px; border: 1px solid var(--line); }

/* ---------- Success ---------- */
.success-wrap { text-align: center; color: #fff; padding-top: 30px; }
.success-wrap .check {
  width: 96px; height: 96px; margin: 0 auto 20px; border-radius: 50%; display: grid; place-items: center;
  background: linear-gradient(150deg, var(--accent), #10b981); font-size: 50px; color: #fff;
  box-shadow: 0 20px 50px -16px rgba(16,185,129,.7); animation: pop .4s ease;
}
@keyframes pop { from { transform: scale(.6); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ---------- Toast / alerts ---------- */
.alert { border-radius: 12px; padding: 11px 14px; font-size: 13.5px; margin-bottom: 14px; }
.alert.error { background: #fdecec; color: #b3261e; border: 1px solid #f7c9c5; }
.alert.info { background: #eaf5ff; color: var(--eco-700); border: 1px solid #cfe7fb; }
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 12px; font-size: 13.5px;
  box-shadow: 0 14px 40px -10px rgba(0,0,0,.6); opacity: 0; pointer-events: none; transition: .25s; z-index: 50; max-width: 90%;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.center-link { text-align: center; margin-top: 16px; font-size: 14px; color: var(--ink-soft); }
.center-link a { color: var(--eco-600, #0a4d8c); font-weight: 600; cursor: pointer; }

/* full-screen loading veil */
.veil { position: fixed; inset: 0; background: rgba(6,43,79,.55); backdrop-filter: blur(4px); display: none; place-items: center; z-index: 60; }
.veil.show { display: grid; }
.veil .box { background: #fff; border-radius: 16px; padding: 22px 26px; display: flex; align-items: center; gap: 14px; font-weight: 600; color: var(--ink); }
.veil .spin { width: 20px; height: 20px; border: 3px solid rgba(21,116,212,.3); border-top-color: var(--eco-500); border-radius: 50%; animation: spin .7s linear infinite; }