/* [DIUBAH] Variabel warna hijau diganti biru */
        :root {
            --primary-blue: #3B82F6; /* blue-500 */
            --primary-blue-dark: #1D4ED8; /* blue-700 */
            --primary-blue-light: #DBEAFE; /* blue-100 */
            --text-dark: #1f2937; /* Gray 800 */
            --text-medium: #4b5563; /* Gray 600 */
            --text-light: #6b7280; /* Gray 500 */
            --bg-light: #f9fafb; /* Gray 50 */
            --card-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
            --card-shadow-hover: 0 20px 35px -8px rgba(0, 0, 0, 0.1), 0 10px 15px -8px rgba(0, 0, 0, 0.08);
        }

        html { scroll-behavior: smooth; }
        body { 
            /* [DIUBAH] Font Poppins diganti Inter */
            font-family: 'Inter', sans-serif; 
            background-color: var(--bg-light); 
            color: var(--text-medium); 
            overflow-x: hidden; 
        }
        
        /* [BARU] Style glass-effect dari index.html */
        .glass-effect {
            background-color: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
        }

        /* [DIUBAH] section-card disamakan dengan index.html (pakai backdrop-filter) */
        .section-card { 
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: 1.25rem; /* 20px */
            border: 1px solid rgba(0,0,0,0.05);
            box-shadow: var(--card-shadow); 
            transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.35s cubic-bezier(0.25, 0.8, 0.25, 1); 
            position: relative;
        }
        /* [BARU] Efek hover section-card dari index.html */
        .section-card:hover { 
            transform: translateY(-12px); 
            box-shadow: 0 0 25px rgba(59, 130, 246, 0.5), 0 10px 15px -8px rgba(0, 0, 0, 0.08); /* Biru */
            border-color: rgba(59, 130, 246, 0.3); /* Biru */
        }

        /* [DIHAPUS] .header-nav tidak dipakai lagi, diganti style header index.html */

        /* [DIUBAH] nav-link disamakan dengan index.html */
        .nav-link { position: relative; padding: 0.25rem 0; }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--primary-blue); /* [DIUBAH] green -> blue */
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: bottom right;
            transition: transform 0.3s ease-out;
        }
        .nav-link:hover::after, .nav-link.active::after {
            transform: scaleX(1);
            transform-origin: bottom left;
        }
        /* [BARU] Style nav-link active dari index.html */
        .nav-link.active { color: var(--primary-blue-dark); font-weight: 600; }

        .modal-overlay { 
            background-color: rgba(0, 0, 0, 0.4); 
            backdrop-filter: blur(12px); 
            -webkit-backdrop-filter: blur(12px); /* [DIUBAH] disamakan dengan index.html */
        }
        .modal-content { 
            background: rgba(255, 255, 255, 0.95); 
            border-radius: 1.5rem; 
            /* [BARU] border dari index.html */
            border: 1px solid rgba(0,0,0,0.05);
            transform: scale(0.95) translateY(10px);  /* [DIUBAH] disamakan dengan index.html */
            transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
            max-height: 90vh; 
            overflow-y: auto; 
        }
        #auth-modal-content { max-width: 450px; }
        /* [DIUBAH] disamakan dengan index.html */
        .modal-transition.active .modal-content { transform: scale(1) translateY(0); }
        
        .creative-input, .creative-select { 
            width: 100%; 
            padding: 0.85rem 1.25rem; 
            border-radius: 0.75rem; 
            background-color: #f3f4f6; 
            border: 2px solid transparent; 
            transition: all 0.3s; 
            /* [BARU] Properti dari index.html */
            appearance: none; 
            font-weight: 500;
        }
        .creative-input:focus, .creative-select:focus { 
            outline: none; 
            border-color: var(--primary-blue); /* [DIUBAH] green -> blue */
            background-color: white;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2); /* [DIUBAH] green -> blue */
        }
        
        .auth-tab { cursor: pointer; padding: 0.5rem 1rem; border-bottom: 3px solid transparent; transition: all 0.3s; } /* [DIUBAH] disamakan dengan index.html */
        .auth-tab.active { border-bottom-color: var(--primary-blue); color: var(--primary-blue-dark); font-weight: 600; } /* [DIUBAH] green -> blue */
        
        /* [DIUBAH] disamakan dengan index.html */
        #user-profile-dropdown.active {
            opacity: 1;
        }

        /* [BARU] Style navigasi bawah dari index.html */
        .nav-container { 
            padding: 0.5rem; /* p-2 */ 
        }
        .mobile-nav {
            display: flex;
            justify-content: space-around; 
            align-items: center;
            height: 100%;
            width: 100%;
            margin-left: auto;
            margin-right: auto;
            border-radius: 1rem; /* rounded-2xl */
            border: 1px solid rgba(229, 231, 235, 0.5); 
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); 
        }
        .mobile-nav .nav-item {
            position: relative;
            isolation: isolate;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: var(--text-medium); 
            padding: 0.75rem 0.25rem; 
            width: 20%; 
            height: 100%;
            transition: color 0.2s ease-out, transform 0.2s ease-out;
            cursor: pointer;
            text-decoration: none; 
            gap: 0.25rem; 
        }
        .mobile-nav .nav-item .fa-solid, .mobile-nav .nav-item .fas {
             font-size: 1.5rem; /* 24px */
             height: 1.5rem; 
        }
        .mobile-nav .nav-item .nav-text {
            font-size: 0.7rem; 
            line-height: 1;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            width: 100%; 
        }
        .mobile-nav .nav-item:hover {
            transform: translateY(-2px);
            color: var(--primary-blue-dark); 
        }
        .mobile-nav .nav-item:active, 
        .mobile-nav .nav-item.active { 
            color: var(--primary-blue-dark);
            font-weight: 600;
            transform: translateY(-2px);
        }
        /* [AKHIR BARU] Style navigasi bawah */
        
        @keyframes glow {
            0%, 100% { box-shadow: 0 0 5px var(--glow-color-start), 0 0 10px var(--glow-color-start); }
            50% { box-shadow: 0 0 15px var(--glow-color-end), 0 0 20px var(--glow-color-end); }
        }

        .schedule-card {
            background-color: white;
            border-radius: 0.75rem;
            padding: 1.25rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.6s ease;
            opacity: 0;
            transform: scale(0.95);
            position: relative;
            overflow: hidden;
        }

        .schedule-card.visible {
            opacity: 1;
            transform: scale(1);
        }

        .schedule-card:not(.past-event) {
            animation: glow 4s ease-in-out infinite;
        }

        .schedule-card:hover:not(.past-event) {
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }

        .schedule-card.past-event {
            background-color: #f1f5f9; /* slate-100 */
        }

        .schedule-card.past-event .schedule-title,
        .schedule-card.past-event .schedule-date {
            color: #94a3b8; /* slate-400 */
            text-decoration: line-through;
        }
        
        .schedule-card-icon {
            position: absolute;
            top: -10px;
            right: -10px;
            font-size: 3rem;
            opacity: 0.1;
            transform: rotate(-15deg);
        }

        @keyframes pulse-glow {
            0%, 100% {
                transform: scale(1);
                box-shadow: 0 0 10px var(--glow-color-strong), 0 0 20px var(--glow-color-strong), 0 0 30px var(--glow-color);
            }
            50% {
                transform: scale(1.02);
                box-shadow: 0 0 20px var(--glow-color-strong), 0 0 40px var(--glow-color-strong), 0 0 60px var(--glow-color);
            }
        }
        .status-display {
            text-align: center;
            padding: 1.5rem 1rem;
            border-radius: 1rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .status-display.animate-glow {
            animation: pulse-glow 3s infinite ease-in-out;
        }

        .success-checkmark { width: 80px; height: 115px; margin: 0 auto; }
        .success-checkmark .check-icon { width: 80px; height: 80px; position: relative; border-radius: 50%; box-sizing: content-box; border: 4px solid #4CAF50; transform: scale(0); animation: scale-in 0.3s 0.2s forwards; }
        .success-checkmark .check-icon::before, .success-checkmark .check-icon::after { content: ''; height: 100px; position: absolute; background: #FFFFFF; transform: rotate(-45deg); }
        .success-checkmark .check-icon::before { top: 3px; left: -2px; width: 30px; transform-origin: 100% 50%; border-radius: 100px 0 0 100px; }
        .success-checkmark .check-icon::after { top: 0; left: 30px; width: 60px; transform-origin: 0 50%; border-radius: 0 100px 100px 0; animation: rotate-circle 4.25s ease-in; }
        .success-checkmark .check-icon .icon-line { height: 5px; background-color: #4CAF50; display: block; border-radius: 2px; position: absolute; z-index: 10; }
        .success-checkmark .check-icon .icon-line.line-tip { top: 46px; left: 14px; width: 25px; transform: rotate(45deg); animation: icon-line-tip 0.75s 0.5s forwards; }
        .success-checkmark .check-icon .icon-line.line-long { top: 38px; right: 8px; width: 47px; transform: rotate(-45deg); animation: icon-line-long 0.75s 0.5s forwards; }
        .success-checkmark .check-icon .icon-circle { top: -4px; left: -4px; z-index: 10; width: 80px; height: 80px; border-radius: 50%; position: absolute; box-sizing: content-box; border: 4px solid rgba(76, 175, 80, .5); }
        .success-checkmark .check-icon .icon-fix { top: 8px; width: 5px; left: 26px; z-index: 1; height: 85px; position: absolute; transform: rotate(-45deg); background-color: #FFFFFF; }
        #success-notification.active > div { transform: scale(1); opacity: 1; }
        @keyframes scale-in { from { transform: scale(0); } to { transform: scale(1); } }
        @keyframes rotate-circle { 0% { transform: rotate(-45deg); } 5% { transform: rotate(-45deg); } 12% { transform: rotate(-405deg); } 100% { transform: rotate(-405deg); } }
        @keyframes icon-line-tip { 0% { width: 0; left: 1px; top: 19px; } 54% { width: 0; left: 1px; top: 19px; } 70% { width: 50px; left: -8px; top: 37px; } 84% { width: 17px; left: 21px; top: 48px; } 100% { width: 25px; left: 14px; top: 46px; } }
        @keyframes icon-line-long { 0% { width: 0; right: 46px; top: 54px; } 65% { width: 0; right: 46px; top: 54px; } 84% { width: 55px; right: 0px; top: 35px; } 100% { width: 47px; right: 8px; top: 38px; } }

        .loading-smiley {
            width: 100px;
            height: 100px;
            position: relative;
            animation: bounce 1.5s infinite ease-in-out;
        }
        .smiley-face {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background: #FFD700;
            border: 5px solid #E6A200;
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            position: relative;
            overflow: hidden;
        }
        .eye {
            width: 15px;
            height: 25px;
            background: #333;
            border-radius: 50%;
            position: absolute;
            top: 30px;
            animation: blink 2.5s infinite;
        }
        .eye.left { left: 25px; }
        .eye.right { right: 25px; }
        .mouth {
            width: 50px;
            height: 25px;
            border: 5px solid #333;
            border-top-color: transparent;
            border-left-color: transparent;
            border-right-color: transparent;
            border-radius: 0 0 50px 50px / 0 0 25px 25px;
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
        }
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
            40% { transform: translateY(-20px); }
            60% { transform: translateY(-10px); }
        }
        @keyframes blink {
            0%, 90%, 100% { transform: scaleY(1); }
            95% { transform: scaleY(0.1); }
        }