/* RESET & VARIABLES */
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
:root {
    --blue-dark: #001f3f; --blue-main: #0052D4; --blue-light: #4D8BF5;
    --yellow-dark: #DAA520; --yellow-main: #FFD700; --yellow-light: #FFFACD;
    --white: #ffffff; --text: #333; --danger: #ff4757; --success: #2ed573;
}

body { background-color: var(--blue-dark); color: var(--white); overflow-x: hidden; }

/* BACKGROUND IKLAN PRODUK (SEMBUNYI SAAT AUTH/LOGIN) */
.ads-container { display: none !important; }

/* LOADING SCREEN (POLKADOT) */
.polka-dot-bg { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: var(--blue-main); background-image: radial-gradient(var(--yellow-main) 20%, transparent 20%), radial-gradient(var(--yellow-main) 20%, transparent 20%); background-position: 0 0, 25px 25px; background-size: 50px 50px; z-index: 1000; display: flex; justify-content: center; align-items: center; }
.loading-content { background: rgba(0, 31, 63, 0.9); padding: 40px; border-radius: 20px; text-align: center; border: 4px solid var(--yellow-main); }
.logo-big { font-size: 60px; margin-bottom: 10px; }
.loader-bar { width: 200px; height: 10px; background: #fff; border-radius: 5px; margin: 20px auto; overflow: hidden; }
.loader-fill { width: 0%; height: 100%; background: var(--yellow-main); animation: load 2s ease-in-out forwards; }
@keyframes load { to { width: 100%; } }

/* AUTH PAGES */
.page { position: relative; z-index: 1; }
.hidden { display: none !important; }

#auth-page {
    position: relative;
    min-height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
    background: radial-gradient(circle at center, #0a2e5c 0%, var(--blue-dark) 100%);
    overflow-y: auto;
}

.auth-box {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: rgba(0, 31, 63, 0.65);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 215, 0, 0.25);
    padding: 40px 32px;
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 35px rgba(255, 215, 0, 0.15);
    z-index: 5;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.auth-box:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 45px rgba(255, 215, 0, 0.25);
}

.tabs {
    display: flex;
    margin-bottom: 24px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 14px;
    padding: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.tab-btn {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.65);
    font-size: 15px;
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 700;
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--yellow-dark), var(--yellow-main));
    color: var(--blue-dark);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.35);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-form input {
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid rgba(255, 215, 0, 0.15);
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: all 0.3s ease;
}

.auth-form input:focus {
    border-color: var(--yellow-main);
    background: rgba(0, 0, 0, 0.6);
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.25);
}

.auth-form input::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.btn-primary {
    padding: 14px;
    background: linear-gradient(135deg, var(--yellow-dark), var(--yellow-main));
    color: var(--blue-dark);
    font-weight: 800;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 16px;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.25);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.45);
}

.btn-primary:active {
    transform: scale(0.98);
}

.error-text {
    color: var(--danger);
    font-size: 13px;
    text-align: center;
    font-weight: 600;
    min-height: 20px;
}

/* FLOATING ADS BADGES (ORGANIC SCATTERED PLACEMENT) */
.auth-float {
    position: absolute;
    z-index: 1;
    padding: 12px 20px;
    border-radius: 14px;
    background: rgba(0, 82, 212, 0.25);
    border: 1px solid rgba(255, 215, 0, 0.35);
    box-shadow: 0 8px 32px 0 rgba(0, 82, 212, 0.2), 0 0 15px rgba(255, 215, 0, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    font-size: 13px;
    font-weight: bold;
    color: var(--white);
    white-space: nowrap;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    animation: authFloat 6s ease-in-out infinite;
}

.auth-float:hover {
    transform: translateY(-5px) scale(1.05);
    border-color: var(--yellow-main);
    box-shadow: 0 10px 40px rgba(255, 215, 0, 0.25);
    cursor: pointer;
    z-index: 10;
}

/* Specific Center-based offsets for perfect symmetry and vertical distribution */
#float1 { left: calc(50vw - 480px); top: 18vh; animation-delay: 0s; }
#auth-detected-count { left: calc(50vw - 530px); top: 48vh; animation-delay: 1.2s; }
#auth-accuracy-text { left: calc(50vw - 460px); top: 75vh; animation-delay: 2.4s; }

#float4 { left: calc(50vw + 260px); top: 22vh; animation-delay: 0.6s; }
#float5 { left: calc(50vw + 310px); top: 52vh; animation-delay: 1.8s; }
#float6 { left: calc(50vw + 240px); top: 78vh; animation-delay: 3s; }

@keyframes authFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(1deg); }
}

/* 
   PREMIUM RESPONSIVE HYBRID DESIGN:
   When screen is narrow (< 1150px), instead of hiding or looking ugly, 
   they gently slide behind the login box as gorgeous glowing digital dust!
*/
@media (max-width: 1150px) {
    .auth-float {
        z-index: 1; /* Di belakang auth-box transparan */
        opacity: 0.55; /* Lebih cerah agar terbaca jelas */
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        border-color: rgba(255, 215, 0, 0.2);
    }
    /* Gunakan koordinat sisi luar agar tidak terpotong tepi layar HP */
    #float1 { left: 4vw; top: 12vh; }
    #auth-detected-count { left: 1vw; top: 38vh; }
    #auth-accuracy-text { left: 6vw; top: 68vh; }
    
    #float4 { right: 4vw; left: auto; top: 22vh; }
    #float5 { right: 1vw; left: auto; top: 52vh; }
    #float6 { right: 6vw; left: auto; top: 82vh; }
}

/* MAIN APP LAYOUT */
#main-app { display: flex; height: 100vh; }
.sidebar { width: 220px; background: var(--blue-main); padding: 20px 0; display: flex; flex-direction: column; border-right: 2px solid var(--yellow-dark); }
.logo-small { font-size: 30px; text-align: center; margin-bottom: 30px; }
.sidebar ul { list-style: none; flex: 1; }
.nav-item { padding: 15px 25px; cursor: pointer; transition: 0.3s; border-left: 4px solid transparent; }
.nav-item:hover, .nav-item.active { background: rgba(255,255,255,0.1); border-left: 4px solid var(--yellow-main); color: var(--yellow-main); }
.btn-logout { margin: 20px; padding: 10px; background: var(--danger); color: white; border: none; border-radius: 8px; cursor: pointer; }
.content { flex: 1; padding: 30px; overflow-y: auto; margin: 0 160px; } /* Margin untuk ruang iklan */
header { margin-bottom: 30px; border-bottom: 2px solid rgba(255,255,255,0.1); padding-bottom: 10px; }

/* SECTIONS */
.section { display: none; }
.section.active { display: block; animation: fadeIn 0.5s; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 30px; }
.stat-card { padding: 20px; border-radius: 10px; text-align: center; color: var(--blue-dark); }
.stat-card.blue { background: var(--blue-light); }
.stat-card.yellow { background: var(--yellow-main); }
.stat-card h3 { font-size: 28px; margin-bottom: 5px; }
.info-box { background: rgba(255,255,255,0.1); padding: 20px; border-radius: 10px; border-left: 4px solid var(--yellow-main); }

/* UPLOAD & SCAN */
.upload-container { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.upload-box { width: 100%; max-width: 500px; height: 250px; border: 3px dashed var(--yellow-main); border-radius: 15px; display: flex; flex-direction: column; justify-content: center; align-items: center; cursor: pointer; transition: 0.3s; background: rgba(0,0,0,0.2); }
.upload-box:hover { background: rgba(255, 215, 0, 0.1); border-color: var(--yellow-light); }
.upload-icon { font-size: 50px; margin-bottom: 10px; }
.btn-scan { padding: 15px 60px; font-size: 18px; background: linear-gradient(45deg, var(--yellow-dark), var(--yellow-main)); color: var(--blue-dark); border: none; border-radius: 50px; font-weight: bold; cursor: pointer; box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4); transition: 0.3s; }
.btn-scan:hover { transform: scale(1.05); box-shadow: 0 8px 25px rgba(255, 215, 0, 0.6); }
.btn-scan:active { transform: scale(0.95); }

/* RESULTS */
.result-box { margin-top: 30px; padding: 25px; border-radius: 15px; border: 2px solid; animation: slideIn 0.5s; }
@keyframes slideIn { from { transform: translateX(-50px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
.result-box.ai { background: rgba(255, 71, 87, 0.1); border-color: var(--danger); }
.result-box.real { background: rgba(46, 213, 115, 0.1); border-color: var(--success); }
.result-title { font-size: 24px; margin-bottom: 15px; display: flex; justify-content: space-between; }
.details-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.detail-item { background: rgba(0,0,0,0.2); padding: 10px; border-radius: 8px; }
.detail-label { font-size: 12px; color: rgba(255,255,255,0.6); }
.detail-value { font-size: 16px; font-weight: bold; color: var(--yellow-main); margin-top: 5px; }

/* HISTORY TABLE */
.history-table { width: 100%; border-collapse: collapse; margin-top: 20px; background: rgba(255,255,255,0.05); }
.history-table th, .history-table td { padding: 12px; text-align: left; border-bottom: 1px solid rgba(255,255,255,0.1); }
.history-table th { background: var(--blue-main); color: var(--yellow-main); }
.btn-refresh { padding: 10px 20px; background: var(--yellow-main); color: var(--blue-dark); border: none; border-radius: 8px; cursor: pointer; font-weight: bold; margin-bottom: 10px; }

/* PARTIKEL ANIMASI (DIBUAT OLEH JAVASCRIPT) */
.click-particle { position: fixed; pointer-events: none; border-radius: 50%; z-index: 9999; animation: particleFly 0.8s ease-out forwards; }
@keyframes particleFly { to { transform: translate(var(--tx), var(--ty)) scale(0); opacity: 0; } }

/* LANDING PAGE SPECIFIC STYLES */
.landing-header {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 20px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}
.landing-logo {
    font-size: 26px;
    font-weight: 800;
    color: var(--yellow-main);
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}
.btn-login-trigger {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--yellow-dark), var(--yellow-main));
    color: var(--blue-dark);
    font-weight: 800;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 14px;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.25);
    transition: all 0.3s ease;
}
.btn-login-trigger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.45);
}

.landing-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    width: 100%;
    max-width: 1200px;
    margin: 110px auto 40px auto;
    padding: 0 20px;
    z-index: 5;
    align-items: start;
}

.landing-info-card, .landing-scan-card {
    background: rgba(0, 31, 63, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 215, 0, 0.2);
    padding: 40px;
    border-radius: 28px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 82, 212, 0.15);
}

.landing-title {
    font-size: 38px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.25;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #fff 30%, var(--yellow-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.landing-subtitle {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 35px;
}

.landing-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 35px;
}
.landing-stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 18px;
    border-radius: 18px;
    text-align: center;
    transition: all 0.3s ease;
}
.landing-stat-card:hover {
    background: rgba(255, 215, 0, 0.03);
    border-color: rgba(255, 215, 0, 0.15);
}
.landing-stat-card h3 {
    font-size: 30px;
    font-weight: 800;
    color: var(--yellow-main);
    margin-bottom: 6px;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.2);
}
.landing-stat-card p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.landing-features {
    display: flex;
    flex-direction: column;
    gap: 22px;
}
.feature-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}
.feature-icon {
    font-size: 26px;
    background: rgba(255, 215, 0, 0.1);
    padding: 8px;
    border-radius: 12px;
    border: 1px solid rgba(255, 215, 0, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
}
.feature-item h4 {
    color: var(--yellow-main);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 5px;
}
.feature-item p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

.scan-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 15px;
}
.scan-header h3 {
    font-size: 20px;
    color: var(--white);
}
.quota-badge {
    font-size: 12px;
    font-weight: 700;
    background: rgba(255, 215, 0, 0.15);
    color: var(--yellow-main);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.btn-scan-action {
    width: 100%;
    margin-top: 15px;
    padding: 15px;
    font-size: 16px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--yellow-dark), var(--yellow-main));
    color: var(--blue-dark);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.25);
    transition: all 0.3s ease;
}
.btn-scan-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.45);
}
.btn-scan-action:active {
    transform: scale(0.98);
}

/* AUTH MODAL OVERLAY */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 8, 20, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: all 0.3s ease;
}
.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}
.close-modal-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: 0.3s;
}
.close-modal-btn:hover {
    color: var(--danger);
}

/* RESPONSIVE LAYOUT FOR LANDING PAGE */
@media (max-width: 900px) {
    .landing-header {
        position: relative;
        transform: none;
        left: 0;
        padding: 15px 16px;
        width: 100%;
    }
    .landing-logo {
        font-size: 22px;
    }
    .btn-login-trigger {
        padding: 8px 16px;
        font-size: 13px;
    }
    .landing-container {
        grid-template-columns: 1fr;
        margin-top: 10px;
        gap: 20px;
        padding: 0 12px 30px 12px;
    }
    .landing-info-card, .landing-scan-card {
        padding: 24px 16px;
        border-radius: 20px;
    }
    .landing-title {
        font-size: 26px;
    }
    .landing-subtitle {
        font-size: 14px;
        margin-bottom: 25px;
    }
    .landing-stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        margin-bottom: 25px;
    }
    .landing-stat-card {
        padding: 12px 8px;
        border-radius: 12px;
    }
    .landing-stat-card h3 {
        font-size: 22px;
    }
    .landing-stat-card p {
        font-size: 10px;
    }
    .feature-icon {
        font-size: 20px;
        padding: 6px;
    }
    .feature-item h4 {
        font-size: 14px;
    }
    .feature-item p {
        font-size: 12px;
    }
    .scan-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .upload-box {
        height: 180px;
    }
    .auth-box {
        width: 92%;
        padding: 30px 20px;
    }
}