:root {
  --bg: #0a0e14;
  --surface: rgba(18,24,34,0.92);
  --text: #f3f6fb;
  --muted: rgba(243,246,251,0.72);
  --accent: #f5b21b;
  --line: rgba(255,255,255,0.12);
  --shadow: 0 28px 70px rgba(0,0,0,0.5);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Sora', 'Noto Sans SC', sans-serif;
  background: radial-gradient(circle at 12% 12%, rgba(77,161,255,0.18), transparent 45%),
              radial-gradient(circle at 85% 5%, rgba(245,178,27,0.12), transparent 40%),
              #0a0e14;
  color: var(--text);
  min-height: 100vh;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 40px 16px;
}

.login-card {
  width: min(520px, 100%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--shadow);
}

.wide-card {
  width: min(640px, 100%);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.logo {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #f5d46b);
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #111;
}
.brand-title { font-weight: 700; }
.brand-sub { font-size: 11px; color: var(--muted); letter-spacing: 0.08em; }

.login-header h1 {
  font-family: 'Playfair Display', 'Noto Sans SC', serif;
  font-size: 32px;
  margin-bottom: 8px;
}
.login-header p { color: var(--muted); margin-bottom: 20px; }

.login-form { display: grid; gap: 10px; }
.login-form label { font-size: 12px; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; }
.login-form input {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 12px;
}

.btn {
  margin-top: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
}
.btn.primary { background: var(--accent); color: #111; border-color: var(--accent); }

.login-error {
  color: #f5d46b;
  font-size: 13px;
  display: none;
}
.login-error.show { display: block; }

.success-text {
  color: #94f0b8;
  font-size: 13px;
  display: none;
}

.success-text.show {
  display: block;
}

.login-hint { color: var(--muted); font-size: 12px; }

.form-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.text-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
}

.text-link:hover {
  text-decoration: underline;
}

.lang {
  display: flex;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  margin-top: 18px;
  justify-content: center;
}
.lang-btn {
  padding: 6px 10px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
}
.lang-btn.active { background: rgba(255,255,255,0.08); color: var(--text); }

html[dir="rtl"] body { direction: rtl; }
html[dir="rtl"] .login-brand { flex-direction: row-reverse; }

@media (max-width: 600px) {
  .login-card { padding: 24px; }
}