:root {
  --color-bg-dark: #07090e;
  --color-bg-panel: rgba(16, 22, 32, 0.55);
  --color-primary: #00ff88;
  --color-primary-glow: rgba(0, 255, 136, 0.3);
  --color-text-main: #f8fafc;
  --color-text-muted: #94a3b8;
  --color-border: rgba(255, 255, 255, 0.08);
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body, html {
  margin: 0;
  padding: 0;
  height: 100vh;
  overflow: hidden;
  background-color: var(--color-bg-dark);
  background-image: radial-gradient(circle at 50% 30%, rgba(0, 255, 136, 0.06) 0%, transparent 60%),
                    linear-gradient(to bottom, rgba(7, 9, 14, 0.8) 0%, rgba(7, 9, 14, 0.98) 100%), 
                    url('/assets/img/pradia_hero_bg.png');
  background-size: cover;
  background-position: center;
  color: var(--color-text-main);
  font-family: var(--font-family);
}

header {
  text-align: center;
  padding: 20px 0;
  margin: 0;
}

.dark-header-bg {
  background: radial-gradient(ellipse at center, rgba(0, 255, 136, 0.25) 0%, transparent 70%);
  padding: 15px 0;
}

.dark-logo-filter {
  max-width: 280px;
  filter: drop-shadow(0 0 25px var(--color-primary-glow));
}

main {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 180px);
}

/* Glassmorphism Login Panel */
.login-container {
  background: var(--color-bg-panel);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 24px;
  padding: 40px 48px;
  border: 1px solid rgba(0, 255, 136, 0.25);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4), 0 0 25px rgba(0, 255, 136, 0.05);
  width: 100%;
  max-width: 400px;
  box-sizing: border-box;
  animation: containerReveal 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes containerReveal {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.login-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.dark-logo-bg {
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  padding: 10px;
  margin-bottom: 25px;
  display: flex;
  justify-content: center;
}

.dark-logo-min {
  max-width: 150px;
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.15));
}

.group-input {
  display: flex;
  width: 100%;
  position: relative;
  margin-bottom: 20px;
}

.group-input i {
  position: absolute;
  top: 50%;
  left: 18px;
  transform: translateY(-50%);
  font-size: 1.15rem;
  color: var(--color-text-muted) !important;
  transition: var(--transition-smooth);
}

/* Modern inputs */
input[type="text"],
input[type="password"] {
  width: 100%;
  height: 48px;
  padding: 10px 10px 10px 48px;
  font-size: 0.95rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
  color: var(--color-text-main);
  outline: none;
  font-family: var(--font-family);
  transition: var(--transition-smooth);
  box-sizing: border-box;
}

input[type="text"]::placeholder,
input[type="password"]::placeholder {
  color: rgba(255, 255, 255, 0.25);
}

input[type="text"]:focus,
input[type="password"]:focus {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-primary);
  box-shadow: 0 0 15px var(--color-primary-glow);
}

input:focus + i {
  color: var(--color-primary) !important;
}

/* Login Button neon style */
.btn-primary {
  width: 100%;
  height: 48px;
  background-color: rgba(0, 255, 136, 0.15);
  border: 1px solid var(--color-primary);
  border-radius: 12px;
  color: var(--color-primary) !important;
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px var(--color-primary-glow);
  background-color: var(--color-primary);
  color: #07090e !important;
}

.btn-primary:active {
  transform: translateY(1px);
}

/* Theme toggle floating button on login */
#theme-toggle {
  background: rgba(255, 255, 255, 0.03) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  color: var(--color-text-main) !important;
  font-family: var(--font-family);
  font-size: 0.85rem !important;
  font-weight: 600 !important;
  padding: 8px 16px !important;
  border-radius: 20px !important;
  transition: var(--transition-smooth) !important;
  width: auto !important;
  height: auto !important;
  display: flex;
  align-items: center;
  gap: 8px;
}

#theme-toggle:hover {
  background: var(--color-primary-glow) !important;
  border-color: var(--color-primary) !important;
  transform: translateY(-1px);
}

#theme-toggle i {
  color: var(--color-primary);
}

@media (max-width: 480px) {
  .login-container {
    width: 90%;
    padding: 30px 24px;
  }
  .dark-logo-filter {
    max-width: 200px;
  }
}