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

body {
   font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
   background: #0b1e1a; /* fallback deep green */
   height: 100vh;
   overflow: hidden;
}

.container-fluid {
   height: 100vh;
   background: radial-gradient(circle at 10% 30%, #0b4f3c, #03100c);
   position: relative;
}


.container-fluid::before {
   content: '';
   position: absolute;
   inset: 0;
   background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" opacity="0.08"><path fill="%23ffffff" d="M20 30 Q 40 10 60 30 T 90 30 L 80 70 Q 60 90 30 70 T 10 30" /></svg>');
   background-size: 300px 300px;
   background-repeat: repeat;
   pointer-events: none;
}

.row {
   height: 100vh;
   position: relative;
   z-index: 2;
}


.left-panel {
   background: rgba(255, 255, 255, 0.9);
   backdrop-filter: blur(20px);
   -webkit-backdrop-filter: blur(20px);
   border-right: 1px solid rgba(255, 255, 255, 0.2);
   display: flex;
   align-items: center;
   justify-content: center;
   box-shadow: 8px 0 32px rgba(0, 0, 0, 0.1);
}

.login-box {
   width: 100%;
   max-width: 380px;
   padding: 1.2rem;
}

.login-box h3 {
   font-weight: 700;
   letter-spacing: -0.02em;
   color: #1e293b;
   margin-bottom: 2rem;
}


.form-label {
   font-weight: 500;
   font-size: 0.85rem;
   text-transform: uppercase;
   letter-spacing: 0.02em;
   color: #334155;
   margin-bottom: 0.4rem;
}

.form-control {
   border-radius: 14px;
   padding: 14px 16px;
   border: 1px solid #e2e8f0;
   background-color: #f8fafc;
   font-size: 0.95rem;
   transition: all 0.2s ease;
}

.form-control:focus {
   border-color: #10b981;
   box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
   background-color: #ffffff;
   outline: none;
}

.input-group-icon {
   position: relative;
}

.input-group-icon i {
   position: absolute;
   left: 16px;
   top: 50%;
   transform: translateY(-50%);
   color: #94a3b8;
   font-size: 1.1rem;
   pointer-events: none;
}

.input-group-icon .form-control {
   padding-left: 44px;
}

.btn-login {
   background: #0f172a; /* dark modern */
   border: none;
   border-radius: 14px;
   padding: 14px;
   font-weight: 600;
   font-size: 1rem;
   color: white;
   transition: all 0.3s ease;
   margin-top: 0.5rem;
   box-shadow: 0 10px 20px -8px rgba(15, 23, 42, 0.3);
}

.btn-login:hover {
   background: #10b981;
   transform: translateY(-3px);
   box-shadow: 0 20px 25px -8px #065f46;
}

.footer-text {
   font-size: 0.8rem;
   color: #64748b;
   margin-top: 2.5rem;
}


.right-panel {
   display: flex;
   align-items: center;
   justify-content: center;
   text-align: center;
   color: white;
   padding: 2rem;
}

.info-box {
   max-width: 550px;
   animation: fadeInUp 0.9s ease-out;
}

.info-box h1 {
   font-weight: 800;
   font-size: clamp(2.2rem, 5vw, 3.2rem);
   letter-spacing: -0.02em;
   text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.info-box p {
   font-size: 1.1rem;
   opacity: 0.9;
   margin: 1.8rem 0 2.2rem 0;
   line-height: 1.6;
   font-weight: 400;
   max-width: 450px;
   margin-left: auto;
   margin-right: auto;
}

.modern-icon {
   width: 140px;
   filter: drop-shadow(0 10px 12px rgba(0, 0, 0, 0.3));
   transition: transform 0.4s ease;
   animation: float 4s infinite ease-in-out;
}

.modern-icon:hover {
   transform: scale(1.05) rotate(2deg);
}

@keyframes float {
   0% { transform: translateY(0px); }
   50% { transform: translateY(-12px); }
   100% { transform: translateY(0px); }
}

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

/* additional micro-interaction */
.bi-person-circle, .bi-lock {
   transition: color 0.2s;
}

.form-control:focus + i {
   color: #10b981;
}

/* mobile friendly */
@media (max-width: 767px) {
   .left-panel {
      border-right: none;
      box-shadow: none;
   }
   .right-panel {
      display: none; /* hide on mobile, fokus ke login */
   }
   .container-fluid::before {
      background-size: 200px 200px;
   }
}