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

:root {
  --blue: #2563EB;
  --blue-light: #EFF6FF;
  --blue-mid: #DBEAFE;
  --text: #0F172A;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --white: #FFFFFF;
  --error: #EF4444;
  --radius: 14px;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: #F8FAFC;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.login-bg {
  position: fixed; inset: 0; z-index: 0;
  background: linear-gradient(135deg, #F0F7FF 0%, #F8FAFC 50%, #EFF6FF 100%);
}

.grid-pattern {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: float 8s ease-in-out infinite;
}
.blob-1 { width: 400px; height: 400px; background: #BFDBFE; top: -100px; right: -100px; }
.blob-2 { width: 300px; height: 300px; background: #C7D2FE; bottom: -80px; left: -80px; animation-delay: -4s; }

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.login-container {
  position: relative; z-index: 1;
  width: 100%; padding: 20px;
  display: flex; align-items: center; justify-content: center;
}

.login-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 44px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.04), 0 20px 60px -10px rgba(37,99,235,0.08);
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.brand {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 28px;
}

.brand-icon {
  width: 40px; height: 40px;
  background: var(--blue-light);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
}

.brand-name {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 3px;
  color: var(--blue);
}

.login-title {
  font-family: 'Syne', sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.login-sub {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.form-group { margin-bottom: 20px; }

label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 8px;
}

.input-wrap {
  position: relative;
}

input[type="password"], input[type="text"] {
  width: 100%;
  padding: 13px 44px 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  color: var(--text);
  background: white;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

input.error { border-color: var(--error); }

.eye-btn {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); padding: 2px;
  display: flex; align-items: center;
}

.eye-btn:hover { color: var(--blue); }

.error-msg {
  font-size: 12px;
  color: var(--error);
  margin-top: 6px;
  min-height: 16px;
}

.login-btn {
  width: 100%;
  padding: 14px 20px;
  background: var(--blue);
  color: white;
  border: none;
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(37,99,235,0.3);
}

.login-btn:hover { background: #1D4ED8; box-shadow: 0 6px 20px rgba(37,99,235,0.4); }
.login-btn:active { transform: scale(0.98); }
.login-btn.loading { opacity: 0.7; pointer-events: none; }

@media (max-width: 480px) {
  .login-card { padding: 32px 24px; }
  .login-title { font-size: 22px; }
}