 /* ===== VARIABLES FOR DEEP PINK THEME ===== */
    :root {
      /* DEEP PINK COLOR PALETTE - lebih sophisticated */
      --deep-rose: #d63384;
      --dark-pink: #c2185b;
      --berry-pink: #ad1457;
      --wine-pink: #880e4f;
      --blush-pink: #f8bbd9;
      --soft-pink: #fce4ec;
      --pink-champagne: #f9f0f5;
      --pink-pearl: #fdf2f8;
      
      /* BACKGROUND COLORS */
      --bg-primary: #fdf2f8;
      --bg-secondary: #fce7f3;
      --bg-card: #ffffff;
      
      /* TEXT COLORS */
      --text-dark: #4a1e35;
      --text-medium: #6b2c4d;
      --text-light: #8b5a75;
      --text-white: #ffffff;
      
      /* EFFECTS */
      --shadow-soft: 0 4px 20px rgba(214, 51, 132, 0.12);
      --shadow-medium: 0 8px 30px rgba(214, 51, 132, 0.18);
      --shadow-strong: 0 15px 40px rgba(214, 51, 132, 0.22);
      --gradient-primary: linear-gradient(135deg, var(--dark-pink) 0%, var(--deep-rose) 100%);
      --gradient-secondary: linear-gradient(135deg, var(--berry-pink) 0%, var(--wine-pink) 100%);
      --shimmer-effect: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.4) 50%, transparent 70%);
    }

    /* ===== RESET & BASE STYLES ===== */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Poppins', 'Segoe UI', sans-serif;
      background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
      color: var(--text-dark);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      line-height: 1.6;
      position: relative;
      overflow-x: hidden;
    }

    /* Background Decorative Elements */
    body::before {
      content: '';
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: 
        radial-gradient(circle at 20% 80%, rgba(214, 51, 132, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(195, 24, 91, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(173, 20, 87, 0.04) 0%, transparent 50%);
      z-index: -1;
    }

    /* ===== HEADER STYLES ===== */
    .header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 40px;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(20px);
      box-shadow: var(--shadow-soft);
      border-bottom: 1px solid rgba(214, 51, 132, 0.15);
      position: sticky;
      top: 0;
      z-index: 100;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 14px;
      text-decoration: none;
    }

    .brand-logo {
      height: 52px;
      width: 52px;
      border-radius: 50%;
      object-fit: cover;
      border: 2px solid var(--dark-pink);
      box-shadow: 0 4px 16px rgba(214, 51, 132, 0.2);
      transition: all 0.4s ease;
      background: linear-gradient(135deg, var(--pink-pearl), var(--blush-pink));
    }

    .brand-logo:hover {
      transform: scale(1.08) rotate(5deg);
      box-shadow: 0 6px 20px rgba(214, 51, 132, 0.3);
      border-color: var(--deep-rose);
    }

    .brand-text {
      font-family: 'Playfair Display', serif;
      font-size: 1.6rem;
      font-weight: 700;
      background: var(--gradient-primary);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: 0.5px;
    }

    /* ===== BACK BUTTON ===== */
    .back-btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 12px 24px;
      background: var(--bg-card);
      color: var(--dark-pink);
      text-decoration: none;
      border-radius: 25px;
      font-weight: 600;
      transition: all 0.4s ease;
      box-shadow: var(--shadow-soft);
      border: 1.5px solid rgba(214, 51, 132, 0.2);
      margin-bottom: 30px;
      position: relative;
      overflow: hidden;
    }

    .back-btn::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: var(--shimmer-effect);
      transition: left 0.6s ease;
    }

    .back-btn:hover::before {
      left: 100%;
    }

    .back-btn:hover {
      background: var(--dark-pink);
      color: var(--text-white);
      transform: translateX(-8px);
      box-shadow: var(--shadow-medium);
    }

    /* ===== LOGIN SECTION ===== */
    .login-section {
      max-width: 480px;
      margin: 80px auto;
      background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(252, 231, 243, 0.98) 100%);
      backdrop-filter: blur(20px);
      border-radius: 28px;
      padding: 55px 45px;
      box-shadow: var(--shadow-strong);
      text-align: center;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(214, 51, 132, 0.2);
      animation: floatForm 6s ease-in-out infinite;
    }

    /* Decorative Elements */
    .login-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 8px;
      background: var(--gradient-primary);
    }

    .login-section::after {
      content: '';
      position: absolute;
      top: -30%;
      right: -30%;
      width: 250px;
      height: 250px;
      background: var(--gradient-secondary);
      border-radius: 50%;
      opacity: 0.06;
      z-index: 0;
      animation: rotate 20s linear infinite;
    }

    .login-section::after:last-child {
      content: '';
      position: absolute;
      bottom: -20%;
      left: -20%;
      width: 180px;
      height: 180px;
      background: var(--gradient-secondary);
      border-radius: 50%;
      opacity: 0.04;
      z-index: 0;
      animation: rotate 15s linear infinite reverse;
    }

    .login-section h2 {
      font-family: 'Playfair Display', serif;
      font-size: 2.4rem;
      font-weight: 700;
      background: var(--gradient-primary);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 12px;
      position: relative;
      z-index: 1;
      letter-spacing: 0.5px;
    }

    .login-section > p {
      color: var(--text-medium);
      margin-bottom: 35px;
      position: relative;
      z-index: 1;
      font-size: 1.05rem;
    }

    /* Form Styles */
    .login-form {
      display: flex;
      flex-direction: column;
      text-align: left;
      position: relative;
      z-index: 1;
    }

    .form-group {
      margin-bottom: 28px;
      position: relative;
    }

    .login-form label {
      font-weight: 600;
      margin-bottom: 10px;
      color: var(--text-dark);
      display: block;
      font-size: 1rem;
      padding-left: 5px;
    }

    .login-form input {
      padding: 16px 20px;
      border: 2px solid rgba(214, 51, 132, 0.2);
      border-radius: 14px;
      font-size: 16px;
      transition: all 0.4s ease;
      background: rgba(255, 255, 255, 0.9);
      color: var(--text-dark);
      width: 100%;
      box-sizing: border-box;
      font-family: 'Poppins', sans-serif;
    }

    .login-form input:focus {
      outline: none;
      border-color: var(--dark-pink);
      box-shadow: 0 0 0 4px rgba(214, 51, 132, 0.15);
      background: rgba(255, 255, 255, 0.95);
      transform: translateY(-2px);
    }

    .login-form input::placeholder {
      color: var(--text-light);
      opacity: 0.7;
    }

    /* Icon styling for form inputs */
    .form-group::after {
      content: '🌹';
      position: absolute;
      right: 18px;
      top: 58%;
      transform: translateY(-50%);
      opacity: 0.5;
      font-size: 1rem;
      transition: all 0.3s ease;
      pointer-events: none;
    }

    .form-group:focus-within::after {
      opacity: 0.8;
      animation: bounce 0.5s ease;
    }

    /* Submit Button */
    .login-btn {
      background: var(--gradient-primary);
      border: none;
      color: var(--text-white);
      font-weight: 700;
      padding: 18px;
      border-radius: 14px;
      cursor: pointer;
      transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      font-size: 1.1rem;
      letter-spacing: 0.5px;
      margin-top: 15px;
      position: relative;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(214, 51, 132, 0.4);
    }

    .login-btn::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: var(--shimmer-effect);
      transition: left 0.7s ease;
    }

    .login-btn:hover::before {
      left: 100%;
    }

    .login-btn:hover {
      transform: translateY(-4px);
      box-shadow: 0 15px 40px rgba(214, 51, 132, 0.5);
      letter-spacing: 1px;
      background: var(--gradient-secondary);
    }

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

    /* Messages */
    .error-msg {
      background: linear-gradient(135deg, #ffe6e6, #ffd6d6);
      color: #d32f2f;
      font-weight: 600;
      padding: 16px;
      border-radius: 12px;
      margin-bottom: 25px;
      border-left: 5px solid #f44336;
      text-align: center;
      box-shadow: 0 4px 15px rgba(244, 67, 54, 0.1);
      position: relative;
      z-index: 1;
    }

    .success-msg {
      background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
      color: #2e7d32;
      font-weight: 600;
      padding: 16px;
      border-radius: 12px;
      margin-bottom: 25px;
      border-left: 5px solid #4caf50;
      text-align: center;
      box-shadow: 0 4px 15px rgba(76, 175, 80, 0.1);
      position: relative;
      z-index: 1;
    }

    /* Signup Link */
    .signup-option {
      margin-top: 32px;
      padding-top: 28px;
      border-top: 1px solid rgba(214, 51, 132, 0.2);
      color: var(--text-medium);
      text-align: center;
      position: relative;
      z-index: 1;
    }

    .signup-option a {
      color: var(--dark-pink);
      text-decoration: none;
      font-weight: 700;
      transition: all 0.3s ease;
      position: relative;
      padding: 4px 8px;
      border-radius: 6px;
    }

    .signup-option a::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--dark-pink);
      transition: width 0.3s ease;
    }

    .signup-option a:hover {
      background: rgba(214, 51, 132, 0.1);
    }

    .signup-option a:hover::after {
      width: 100%;
    }

    /* ===== FOOTER ===== */
    .footer {
      margin-top: auto;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(20px);
      text-align: center;
      padding: 32px 28px;
      font-size: 14px;
      color: var(--text-medium);
      border-top: 1px solid rgba(214, 51, 132, 0.15);
      position: relative;
    }

    .footer::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(214,51,132,0.08)" points="0,0 1000,1000 0,1000"/></svg>');
      background-size: cover;
      animation: backgroundFloat 25s linear infinite;
      z-index: -1;
    }

    .footer a {
      color: var(--dark-pink);
      text-decoration: none;
      font-weight: 600;
      transition: all 0.3s ease;
      position: relative;
    }

    .footer a::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 0;
      width: 0;
      height: 1px;
      background: var(--dark-pink);
      transition: width 0.3s ease;
    }

    .footer a:hover::after {
      width: 100%;
    }

    /* ===== ANIMATIONS ===== */
    @keyframes floatForm {
      0%, 100% { transform: translateY(0px); }
      50% { transform: translateY(-12px); }
    }

    @keyframes rotate {
      0% { transform: rotate(0deg); }
      100% { transform: rotate(360deg); }
    }

    @keyframes backgroundFloat {
      0% { transform: translateY(0px) rotate(0deg); }
      100% { transform: translateY(-50px) rotate(180deg); }
    }

    @keyframes bounce {
      0%, 100% { transform: translateY(-50%) scale(1); }
      50% { transform: translateY(-50%) scale(1.3); }
    }

    /* ===== RESPONSIVE DESIGN ===== */
    @media (max-width: 768px) {
      .login-section { 
        margin: 60px 25px; 
        padding: 45px 35px; 
      }
      
      .header { 
        padding: 15px 25px; 
      }
      
      .brand-text {
        font-size: 1.4rem;
      }
      
      .login-section h2 {
        font-size: 2.1rem;
      }
    }

    @media (max-width: 480px) {
      .login-section { 
        margin: 50px 20px; 
        padding: 35px 25px; 
      }
      
      .header { 
        padding: 12px 20px; 
        flex-direction: column;
        gap: 15px;
      }
      
      .brand {
        justify-content: center;
      }
      
      .brand-text {
        font-size: 1.3rem;
      }
      
      .login-section h2 {
        font-size: 1.9rem;
      }
      
      .login-form input {
        padding: 14px 16px;
      }
    }

    @media (max-width: 380px) {
      .login-section { 
        margin: 40px 15px; 
        padding: 30px 20px; 
      }
      
      .brand {
        flex-direction: column;
        text-align: center;
        gap: 8px;
      }
    }

    /* Floating elements animation */
    .floating-elements {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: -1;
    }

    .floating-element {
      position: absolute;
      font-size: 20px;
      color: rgba(214, 51, 132, 0.2);
      animation: floatElements 8s linear infinite;
    }

    @keyframes floatElements {
      0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
      }
      10% {
        opacity: 0.6;
      }
      90% {
        opacity: 0.3;
      }
      100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
      }
    }

    /* CSS untuk link "Dah ada akaun? Login sini" */
.login-form p {
    text-align: center;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 182, 193, 0.3);
    position: relative;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.login-form p::before {
    content: '💫';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--pink-1);
    padding: 0 10px;
    font-size: 1.2rem;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { 
        opacity: 0.7; 
        transform: translateX(-50%) scale(1) rotate(0deg);
    }
    50% { 
        opacity: 1; 
        transform: translateX(-50%) scale(1.2) rotate(180deg);
    }
}

.login-form p a {
    color: var(--deep-rose);
    text-decoration: none;
    font-weight: 700;
    position: relative;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    padding: 4px 8px;
    border-radius: 8px;
    background: linear-gradient(135deg, 
        rgba(255, 107, 174, 0.1) 0%, 
        rgba(255, 20, 147, 0.05) 100%);
}

.login-form p a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 182, 193, 0.3), 
        transparent);
    transition: left 0.6s ease;
    border-radius: 8px;
}

.login-form p a:hover::before {
    left: 100%;
}

.login-form p a:hover {
    color: var(--magenta);
    background: linear-gradient(135deg, 
        rgba(255, 107, 174, 0.15) 0%, 
        rgba(255, 20, 147, 0.1) 100%);
    transform: translateY(-2px);
    box-shadow: 
        0 4px 12px rgba(255, 107, 174, 0.3),
        0 0 0 1px rgba(255, 182, 193, 0.2);
}

.login-form p a:active {
    transform: translateY(0);
    box-shadow: 
        0 2px 8px rgba(255, 107, 174, 0.2),
        0 0 0 1px rgba(255, 182, 193, 0.1);
}

/* Optional: Add a cute icon before the link text */
.login-form p a::after {
    content: ' 👉';
    font-size: 0.9em;
    transition: transform 0.3s ease;
}

.login-form p a:hover::after {
    content: ' 💖';
    transform: scale(1.2);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .login-form p {
        margin-top: 18px;
        padding-top: 12px;
        font-size: 0.9rem;
    }
    
    .login-form p::before {
        font-size: 1rem;
        top: -10px;
    }
    
    .login-form p a {
        padding: 3px 6px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .login-form p {
        margin-top: 15px;
        padding-top: 10px;
        font-size: 0.85rem;
    }
    
    .login-form p::before {
        font-size: 0.9rem;
        top: -8px;
        padding: 0 8px;
    }
    
    .login-form p a {
        padding: 2px 4px;
        font-size: 0.85rem;
    }
}

button[type="submit"] {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 14px 32px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(245, 87, 108, 0.3);
    width: 100%;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-top: 10px;
}

button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 87, 108, 0.4);
    background: linear-gradient(135deg, #f5576c 0%, #f093fb 100%);
    letter-spacing: 1px;
}

button[type="submit"]:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(245, 87, 108, 0.3);
}

button[type="submit"]:focus {
    outline: 2px solid rgba(245, 87, 108, 0.5);
    outline-offset: 2px;
}