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

      body {
        padding-top: 80px;
        font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
        background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        overflow-x: hidden;
      }

      /* Navbar Styles */
      .navbar-aquacheck {
        background: linear-gradient(135deg, #1a73e8, #0d47a1);
        padding: 0.8rem 0;
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 1000;
        box-shadow: 0 4px 20px rgba(26, 115, 232, 0.3);
        transition: all 0.3s ease;
      }

      .navbar-aquacheck.scrolled {
        padding: 0.5rem 0;
        box-shadow: 0 6px 30px rgba(26, 115, 232, 0.4);
      }

      .navbar-brand {
        display: flex;
        align-items: center;
        color: white !important;
        font-weight: bold;
        transition: transform 0.3s ease;
      }

      .navbar-brand:hover {
        transform: scale(1.05);
      }

      .brand-icon {
        background: white;
        color: #1a73e8;
        width: 42px;
        height: 42px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 12px;
        animation: pulse 2s infinite;
      }

      @keyframes pulse {
        0%,
        100% {
          transform: scale(1);
        }
        50% {
          transform: scale(1.1);
        }
      }

      .brand-main {
        font-size: 1.4rem;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
      }

      .nav-link {
        color: rgba(255, 255, 255, 0.9) !important;
        margin: 0 12px;
        padding: 10px 20px;
        border-radius: 12px;
        transition: all 0.3s ease;
        font-size: 0.95rem;
        position: relative;
        overflow: hidden;
      }

      .nav-link::before {
        content: "";
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: rgba(255, 255, 255, 0.2);
        transition: left 0.3s ease;
      }

      .nav-link:hover::before {
        left: 100%;
      }

      .nav-link:hover,
      .nav-link.active {
        background: rgba(255, 255, 255, 0.2);
        color: #fff !important;
        transform: translateY(-2px);
      }

      section {
        scroll-margin-top: 90px;
        min-height: 100vh;
        padding: 60px 0;
      }

      /* Chatbot Card */
      .chatbot-card {
        width: 100%;
        max-width: 700px;
        margin: 0 auto;
        background: #ffffff;
        border-radius: 24px;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
        overflow: hidden;
        animation: slideInLeft 0.8s ease;
      }

      @keyframes slideInLeft {
        from {
          opacity: 0;
          transform: translateX(-50px);
        }
        to {
          opacity: 1;
          transform: translateX(0);
        }
      }

      .chatbot-header {
        background: linear-gradient(135deg, #1a73e8, #0d47a1);
        padding: 20px;
        color: white;
        text-align: center;
        position: relative;
        overflow: hidden;
      }

      .chatbot-header::before {
        content: "";
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(
          circle,
          rgba(255, 255, 255, 0.1) 0%,
          transparent 70%
        );
        animation: ripple 4s linear infinite;
      }

      @keyframes ripple {
        0% {
          transform: translate(-50%, -50%) scale(0);
          opacity: 1;
        }
        100% {
          transform: translate(-50%, -50%) scale(1);
          opacity: 0;
        }
      }

      .chatbot-title {
        font-weight: 700;
        font-size: 1.3rem;
        position: relative;
        z-index: 1;
      }

      .chatbot-body {
        height: 400px;
        padding: 20px;
        background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
        overflow-y: auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
      }

      .chatbot-body::-webkit-scrollbar {
        width: 8px;
      }

      .chatbot-body::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 10px;
      }

      .chatbot-body::-webkit-scrollbar-thumb {
        background: #1a73e8;
        border-radius: 10px;
      }

      .bubble {
        max-width: 80%;
        padding: 14px 18px;
        font-size: 14px;
        line-height: 1.6;
        border-radius: 18px;
        animation: fadeIn 0.5s ease;
        position: relative;
      }

      @keyframes fadeIn {
        from {
          opacity: 0;
          transform: translateY(10px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      .bubble.bot {
        background: linear-gradient(135deg, #e8f0fe 0%, #d2e3fc 100%);
        color: #1a73e8;
        border-bottom-left-radius: 6px;
        box-shadow: 0 4px 12px rgba(26, 115, 232, 0.15);
      }

      .bubble.user {
        background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
        color: white;
        margin-left: auto;
        border-bottom-right-radius: 6px;
        box-shadow: 0 4px 12px rgba(13, 71, 161, 0.3);
      }

      .chatbot-input {
        display: flex;
        padding: 16px;
        border-top: 2px solid #e9ecef;
        background: #fff;
        gap: 10px;
      }

      .chatbot-input input {
        flex: 1;
        border: 2px solid #e9ecef;
        padding: 12px 16px;
        outline: none;
        font-size: 14px;
        background: #f8f9fa;
        border-radius: 14px;
        transition: all 0.3s ease;
      }

      .chatbot-input input:focus {
        border-color: #1a73e8;
        background: white;
        box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
      }

      .chatbot-input button {
        background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
        border: none;
        color: white;
        padding: 0 20px;
        border-radius: 14px;
        transition: all 0.3s ease;
        cursor: pointer;
      }

      .chatbot-input button:hover {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
      }

      /* AI Info Card */
      .ai-info-card {
        background: #ffffff;
        border-radius: 24px;
        padding: 30px;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
        animation: slideInRight 0.8s ease;
        height: 100%;
      }

      @keyframes slideInRight {
        from {
          opacity: 0;
          transform: translateX(50px);
        }
        to {
          opacity: 1;
          transform: translateX(0);
        }
      }

      .ai-info-card h4 {
        color: #1a73e8;
        font-weight: 700;
        margin-bottom: 20px;
        position: relative;
        padding-bottom: 10px;
      }

      .ai-info-card h4::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 60px;
        height: 3px;
        background: linear-gradient(90deg, #1a73e8, transparent);
      }

      .ai-info-card ul {
        padding-left: 20px;
      }

      .ai-info-card li {
        margin-bottom: 12px;
        font-size: 14px;
        transition: transform 0.3s ease;
      }

      .ai-info-card li:hover {
        transform: translateX(5px);
      }

      .ai-note {
        margin-top: 20px;
        background: linear-gradient(135deg, #e8f0fe 0%, #d2e3fc 100%);
        padding: 16px;
        border-radius: 16px;
        font-size: 14px;
        border-left: 4px solid #1a73e8;
      }

      /* Upload Box */
      .upload-box {
        text-align: center;
        margin-top: 20px;
      }

      .upload-area {
        border: 3px dashed #1a73e8;
        border-radius: 18px;
        padding: 30px;
        cursor: pointer;
        background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        transition: all 0.3s ease;
      }

      .upload-area:hover {
        background: linear-gradient(135deg, #e8f0fe 0%, #d2e3fc 100%);
        transform: scale(1.02);
      }

      .upload-area i {
        font-size: 42px;
        color: #1a73e8;
        margin-bottom: 12px;
        animation: bounce 2s infinite;
      }

      @keyframes bounce {
        0%,
        100% {
          transform: translateY(0);
        }
        50% {
          transform: translateY(-10px);
        }
      }

      .image-preview img {
        max-width: 100%;
        border-radius: 16px;
        margin-top: 15px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
      }

      /* History Section */
      .history-card {
        background: white;
        border-radius: 20px;
        padding: 25px;
        margin-bottom: 20px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
        animation: slideUp 0.6s ease;
      }

      @keyframes slideUp {
        from {
          opacity: 0;
          transform: translateY(30px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      .history-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
      }

      .history-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 15px;
        padding-bottom: 15px;
        border-bottom: 2px solid #e9ecef;
      }

      .history-date {
        color: #6c757d;
        font-size: 14px;
      }

      .status-badge {
        padding: 6px 14px;
        border-radius: 20px;
        font-size: 13px;
        font-weight: 600;
      }

      .status-layak {
        background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
        color: #155724;
      }

      .status-tidak-layak {
        background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
        color: #721c24;
      }

      /* Solusi Air Section */
      .solution-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
        margin-top: 40px;
      }

      .solution-card {
        background: white;
        border-radius: 20px;
        padding: 30px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        transition: all 0.4s ease;
        position: relative;
        overflow: hidden;
      }

      .solution-card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 5px;
        background: linear-gradient(90deg, #1a73e8, #0d47a1);
        transform: scaleX(0);
        transition: transform 0.4s ease;
      }

      .solution-card:hover::before {
        transform: scaleX(1);
      }

      .solution-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
      }

      .solution-icon {
        width: 70px;
        height: 70px;
        background: linear-gradient(135deg, #e8f0fe 0%, #d2e3fc 100%);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;
        color: #1a73e8;
        font-size: 32px;
      }

      .solution-title {
        font-size: 1.3rem;
        font-weight: 700;
        color: #1a73e8;
        margin-bottom: 15px;
      }

      /* Tentang Section */
      .about-section {
        background: white;
        border-radius: 24px;
        padding: 50px;
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        margin-top: 30px;
      }

      .feature-box {
        background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        padding: 25px;
        border-radius: 16px;
        margin-bottom: 20px;
        border-left: 4px solid #1a73e8;
        transition: all 0.3s ease;
      }

      .feature-box:hover {
        transform: translateX(10px);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
      }

      .feature-icon {
        font-size: 28px;
        color: #1a73e8;
        margin-right: 15px;
      }

      /* Floating Animation */
      @keyframes floating {
        0%,
        100% {
          transform: translateY(0px);
        }
        50% {
          transform: translateY(-15px);
        }
      }

      .floating {
        animation: floating 3s ease-in-out infinite;
      }

      /* Section Headers */
      .section-header {
        text-align: center;
        margin-bottom: 50px;
      }

      .section-title {
        font-size: 2.5rem;
        font-weight: 700;
        color: #1a73e8;
        margin-bottom: 15px;
        position: relative;
        display: inline-block;
      }

      .section-title::after {
        content: "";
        position: absolute;
        bottom: -10px;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        background: linear-gradient(90deg, #1a73e8, #0d47a1);
        border-radius: 2px;
      }

      .section-subtitle {
        color: #6c757d;
        font-size: 1.1rem;
      }

      /* Responsive */
      @media (max-width: 768px) {
        .chatbot-card {
          margin: 0 15px;
        }

        .ai-info-card {
          margin-top: 30px;
        }

        .section-title {
          font-size: 2rem;
        }

        .solution-grid {
          grid-template-columns: 1fr;
        }
      }

      /* Loading Animation */
      .typing-indicator {
        display: flex;
        gap: 4px;
        padding: 10px;
      }

      .typing-indicator span {
        width: 8px;
        height: 8px;
        background: #1a73e8;
        border-radius: 50%;
        animation: typing 1.4s infinite;
      }

      .typing-indicator span:nth-child(2) {
        animation-delay: 0.2s;
      }

      .typing-indicator span:nth-child(3) {
        animation-delay: 0.4s;
      }

      @keyframes typing {
        0%,
        60%,
        100% {
          transform: translateY(0);
        }
        30% {
          transform: translateY(-10px);
        }
      }
      /* Navbar Toggler Animation */
.custom-toggler {
  border: 2px solid rgb(255, 246, 246);
  border-radius: 12px;
  padding: 8px 10px;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.custom-toggler.active {
  transform: rotate(180deg);
  box-shadow: 0 0 15px rgba(240, 237, 237, 0.6);
}

/* Animasi icon hamburger */
.custom-toggler .navbar-toggler-icon {
  transition: transform 0.4s ease;
}

.custom-toggler.active .navbar-toggler-icon {
  transform: rotate(180deg);
}
/* ICON NAVBAR TOGGLER */
.icon-toggler {
  border: none;
  background: transparent;
  padding: 6px;
}

.icon-toggler .navbar-toggler-icon {
  width: 28px;
  height: 28px;
  transition: transform 0.4s ease;
}

/* Saat navbar terbuka */
.icon-toggler.active .navbar-toggler-icon {
  transform: rotate(180deg);
}
/* FIX icon hamburger Bootstrap */
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.95)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}