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

:root {
  --c-green:  #5caf89;
  --c-blue:   #42559d;
  --c-navy:   #0d1b4b;
  --c-navy2:  #0a1238;
  --c-white:  #ffffff;
  --c-off:    #f4f6fb;
  --c-muted:  #6b7591;
  --c-dark:   #111827;
  --grad:     linear-gradient(135deg, #42559d 0%, #5caf89 100%);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --t:        0.35s;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'DM Sans', sans-serif;
  background: var(--c-navy);
  color: white;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Background elements borrowed from index.php */
.bg-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(92, 175, 137, 0.1) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.bg-orb {
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(66, 85, 157, 0.3) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.login-card {
  position: relative;
  z-index: 10;
  width: min(480px, 90vw);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 56px 48px;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.4);
  animation: fadeUp 0.8s var(--ease-out);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-header {
  text-align: center;
  margin-bottom: 48px;
}

.login-logo {
  width: 120px;
  margin-bottom: 24px;
}

.login-header h1 {
  font-family: 'Jost', sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin: 0;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-header p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 8px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-family: 'Jost', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-green);
  margin-bottom: 10px;
  text-align: left;
}

.form-group input {
  width: 100%;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: white;
  font-family: inherit;
  font-size: 15px;
  outline: none;
  transition: all var(--t);
}

.form-group input:focus {
  border-color: var(--c-green);
  background: rgba(255, 255, 255, 0.08);
}

.login-btn {
  width: 100%;
  padding: 16px;
  background: var(--grad);
  color: white;
  border: none;
  border-radius: 12px;
  font-family: 'Jost', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform var(--t), box-shadow var(--t);
  margin-top: 12px;
}

.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(92, 175, 137, 0.4);
}

.error-msg {
  color: #ff4d4d;
  font-size: 13px;
  text-align: center;
  margin-top: 16px;
  display: none;
}

.back-to-site {
  display: block;
  text-align: center;
  margin-top: 32px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  text-decoration: none;
  transition: color var(--t);
}

.back-to-site:hover {
  color: var(--c-green);
}