/* ─── پنل فضایی — استایل مشترک ─────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-0: #05060f;
  --bg-1: #0a0e24;
  --bg-2: #111634;
  --glass: rgba(20, 26, 58, 0.55);
  --glass-brd: rgba(124, 140, 255, 0.18);
  --violet: #7c5cff;
  --cyan: #00e5ff;
  --pink: #ff5cf0;
  --green: #35f0a0;
  --amber: #ffb545;
  --red: #ff5c7c;
  --txt: #eaf0ff;
  --txt-dim: #97a0d0;
  --shadow: 0 8px 40px rgba(0, 0, 0, .5);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: 'Vazirmatn', system-ui, sans-serif;
  background: var(--bg-0);
  color: var(--txt);
  direction: rtl;
  overflow-x: hidden;
}

/* کانواس ستاره‌ها پشت زمینه */
#space-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(124, 92, 255, .18), transparent 45%),
    radial-gradient(ellipse at 85% 90%, rgba(0, 229, 255, .14), transparent 45%),
    radial-gradient(ellipse at 60% 40%, rgba(255, 92, 240, .08), transparent 55%),
    linear-gradient(160deg, var(--bg-0), var(--bg-1) 60%, var(--bg-2));
}
#stars-canvas { position: fixed; inset: 0; z-index: -1; }

button, input, select, textarea { font-family: inherit; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: rgba(124,140,255,.25); border-radius: 20px; }
::-webkit-scrollbar-track { background: transparent; }

/* ─── صفحه ورود ─────────────────────────────────────────────────────── */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}
.login-card {
  width: min(420px, 100%);
  background: var(--glass);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid var(--glass-brd);
  border-radius: 26px;
  padding: 42px 34px;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.06);
  position: relative;
  overflow: hidden;
  animation: floatIn .8s cubic-bezier(.2,.8,.2,1);
}
.login-card::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(124,92,255,.15), transparent 30%);
  animation: spin 8s linear infinite;
  z-index: 0;
}
.login-card > * { position: relative; z-index: 1; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes floatIn { from { opacity: 0; transform: translateY(30px) scale(.96); } to { opacity: 1; transform: none; } }

.planet {
  width: 84px; height: 84px;
  margin: 0 auto 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #a99bff, var(--violet) 45%, #3a2a8f 100%);
  box-shadow: 0 0 40px rgba(124,92,255,.6), inset -8px -8px 20px rgba(0,0,0,.4);
  position: relative;
  animation: bob 4s ease-in-out infinite;
}
.planet::after {
  content: '';
  position: absolute;
  inset: -14px -26px;
  border: 3px solid rgba(0,229,255,.4);
  border-radius: 50%;
  transform: rotate(-28deg);
}
@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }

.login-title {
  text-align: center;
  font-size: 26px;
  font-weight: 800;
  margin-top: 14px;
  background: linear-gradient(90deg, var(--cyan), var(--violet), var(--pink));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.login-sub { text-align: center; color: var(--txt-dim); font-size: 13px; margin: 6px 0 26px; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: var(--txt-dim); margin-bottom: 7px; }
.field input {
  width: 100%;
  padding: 13px 16px;
  background: rgba(5, 8, 24, .6);
  border: 1px solid var(--glass-brd);
  border-radius: 14px;
  color: var(--txt);
  font-size: 15px;
  transition: .2s;
}
.field input:focus {
  outline: none;
  border-color: var(--violet);
  box-shadow: 0 0 0 4px rgba(124,92,255,.15);
}

.btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  box-shadow: 0 8px 24px rgba(124,92,255,.4);
  transition: transform .15s, box-shadow .15s, opacity .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(124,92,255,.55); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .6; cursor: not-allowed; }

.err {
  background: rgba(255,92,124,.12);
  border: 1px solid rgba(255,92,124,.35);
  color: #ffb0c0;
  padding: 11px 14px;
  border-radius: 12px;
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}
.err.show { display: block; animation: shake .4s; }
@keyframes shake { 0%,100%{transform:translateX(0)} 25%{transform:translateX(-6px)} 75%{transform:translateX(6px)} }

.hint { text-align:center; color: var(--txt-dim); font-size:12px; margin-top:18px; opacity:.6; }