:root {
  --bg: #0f172a;
  --grad-1: #6366f1;
  --grad-2: #8b5cf6;
  --grad-3: #ec4899;
  --card: #ffffff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --field: #f8fafc;
  --ok: #10b981;
  --err: #ef4444;
  --brand: #6366f1;
  --radius: 20px;
  --shadow: 0 20px 60px -15px rgba(99, 102, 241, 0.35);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, "SF Arabic", "Segoe UI", Tahoma, "Noto Kufi Arabic", sans-serif;
  background: linear-gradient(160deg, var(--grad-1), var(--grad-2) 55%, var(--grad-3));
  background-attachment: fixed;
  color: var(--ink);
  min-height: 100vh;
  min-height: 100dvh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 18px 40px;
}

/* رأس ممتع */
.hero { text-align: center; color: #fff; padding: 18px 0 22px; }
.hero .emoji { font-size: 52px; line-height: 1; filter: drop-shadow(0 6px 14px rgba(0,0,0,.25)); }
.hero h1 { font-size: 26px; margin: 12px 0 6px; font-weight: 800; letter-spacing: -.5px; }
.hero p { margin: 0; opacity: .92; font-size: 15px; }

.card {
  background: var(--card);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 22px 20px 26px;
}

.field { margin-bottom: 18px; }
.field > label { display: block; font-weight: 700; font-size: 15px; margin-bottom: 8px; }
.field .hint { color: var(--muted); font-weight: 500; font-size: 13px; margin-right: 6px; }

input[type="text"], input[type="tel"] {
  width: 100%;
  border: 2px solid var(--line);
  background: var(--field);
  border-radius: 16px;
  padding: 15px 16px;
  font-size: 17px; /* يمنع تكبير iOS */
  font-family: inherit;
  color: var(--ink);
  transition: border-color .15s, background .15s;
  outline: none;
}
input[type="text"]:focus, input[type="tel"]:focus {
  border-color: var(--brand);
  background: #fff;
}
input.invalid { border-color: var(--err); background: #fef2f2; }

/* بلاطة رفع الصورة */
.upload { position: relative; }
.upload input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.upload .tile {
  display: flex; align-items: center; gap: 14px;
  border: 2px dashed #cbd5e1;
  border-radius: 18px;
  padding: 16px;
  background: var(--field);
  transition: border-color .15s, background .15s;
  min-height: 84px;
}
.upload.filled .tile { border-style: solid; border-color: var(--ok); background: #ecfdf5; }
.upload .ico { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; font-size: 26px; background: #eef2ff; flex-shrink: 0; }
.upload.filled .ico { background: #d1fae5; }
.upload .tile .txt { flex: 1; }
.upload .tile .t1 { font-weight: 700; font-size: 15px; }
.upload .tile .t2 { color: var(--muted); font-size: 13px; margin-top: 2px; }
.upload .thumb { width: 52px; height: 52px; border-radius: 12px; object-fit: cover; display: none; flex-shrink: 0; }
.upload.filled .thumb { display: block; }
.upload.filled .ico { display: none; }

.btn {
  width: 100%;
  border: 0;
  border-radius: 16px;
  padding: 17px;
  font-size: 18px;
  font-weight: 800;
  font-family: inherit;
  color: #fff;
  background: linear-gradient(120deg, var(--grad-1), var(--grad-3));
  cursor: pointer;
  margin-top: 6px;
  box-shadow: 0 10px 25px -8px rgba(99,102,241,.7);
  transition: transform .08s ease, opacity .15s;
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .6; cursor: default; }

.msg { text-align: center; margin-top: 14px; font-weight: 700; font-size: 14px; min-height: 20px; }
.msg.err { color: var(--err); }

/* شاشة النجاح */
.success { text-align: center; padding: 30px 10px; }
.success .check {
  width: 96px; height: 96px; border-radius: 50%;
  background: linear-gradient(120deg, var(--ok), #34d399);
  display: grid; place-items: center; margin: 0 auto 18px;
  color: #fff; font-size: 52px;
  animation: pop .5s cubic-bezier(.2,1.4,.4,1);
  box-shadow: 0 14px 30px -8px rgba(16,185,129,.6);
}
@keyframes pop { 0% { transform: scale(0); } 100% { transform: scale(1); } }
.success h2 { margin: 6px 0 8px; font-size: 24px; }
.success p { color: var(--muted); margin: 0 0 22px; font-size: 15px; }

.foot { text-align: center; color: rgba(255,255,255,.75); font-size: 12px; margin-top: 22px; }

.hidden { display: none !important; }
.spinner { display: inline-block; width: 18px; height: 18px; border: 3px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; vertical-align: -3px; margin-left: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }