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

body {
    font-family: 'Arial', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    color: white;
    touch-action: pan-y;
    -webkit-overflow-scrolling: touch;
}

html {
    overflow-x: hidden;
    width: 100%;
    position: fixed;
    height: 100%;
}

* {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

input, textarea {
    -webkit-user-select: text;
    user-select: text;
}

/* Video Background */
.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    pointer-events: none;
}

.video-mobile {
    display: none;
}

@media (max-width: 768px) {
    .video-desktop {
        display: none;
    }
    
    .video-mobile {
        display: block;
    }
}

/* Top Navigation */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 11;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-image {
    height: 72px;
    width: auto;
    object-fit: contain;
    margin-left: 20px;
}

.kjc-logo {
    display: none;
}

.vertical-line {
    display: none;
}

.jj-logo {
    display: none;
}

.slogan {
    display: none;
}

.nav-right {
    display: flex;
    gap: 15px;
}

.nav-btn {
    padding: 10px 20px;
    background: linear-gradient(135deg, #FF6B35, #FF8C42);
    border: none;
    border-radius: 5px;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.6);
    background: linear-gradient(135deg, #FF8C42, #FF6B35);
}

.login-btn {
    background: linear-gradient(135deg, #FF4500, #DC143C);
}

/* Main Container */
.main-container {
    display: flex;
    gap: 40px;
    padding: 40px;
    position: relative;
    z-index: 3;
    max-width: 1800px;
    margin: 0 auto;
}

/* Left Panel - Lottery Machine */
.left-panel {
    flex: 1;
    position: relative;
}

.lottery-machine {
    background-image: url('img/khung.webp');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    border-radius: 20px;
    padding: 0;
    position: relative;
    min-height: 750px;
    width: 100%;
    aspect-ratio: auto;
}

.machine-display {
    position: absolute;
    top: 8%;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: space-around;
    gap: 30px;
    background: transparent;
    padding: 0;
    width: 70%;
}

.display-item {
    text-align: center;
    background: transparent;
}

.display-label {
    font-size: 10px;
    font-weight: bold;
    margin-bottom: 5px;
    color: #FFD700;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.display-value {
    font-size: 14px;
    font-weight: bold;
    color: #FFD700;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.input-area {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
    position: absolute;
    top: 30%;
    left: 44%;
    transform: translateX(-50%);
    width: 70%;
    min-height: auto;
}

.input-title {
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #FFD700;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.account-inputs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 0;
    position: relative;
    z-index: 3;
}

.account-input-wrapper {
    width: 250px;
    height: 50px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2), inset 0 2px 5px rgba(255, 255, 255, 0.5);
    border: 2px solid rgba(255, 215, 0, 0.6);
    padding: 0 15px;
    margin: 0 auto;
    backdrop-filter: blur(5px);
}

.account-input {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
    text-align: center;
    font-size: 16px;
    font-weight: bold;
    color: #1a1a1a;
    outline: none;
}

.account-input::placeholder {
    color: rgba(139, 69, 19, 0.4);
    font-size: 14px;
}

.account-input:focus {
    color: #8B4513;
}

.number-inputs {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 0;
    position: relative;
    z-index: 3;
}

.number-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-image: url('img/bong.webp');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.number-input {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    color: #8B4513;
    outline: none;
    border-radius: 50%;
}

.number-circle.active {
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.8);
    transform: scale(1.1);
}

.lottery-balls-bg {
    display: none;
}

.ball-bg {
    display: none;
}

.confirm-btn {
    position: absolute;
    bottom: 80px;
    left: 44%;
    transform: translateX(-50%);
    width: 200px;
    height: 60px;
    padding: 0;
    background: transparent;
    background-image: url('img/xacnhan.webp');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    border: none;
    border-radius: 0;
    color: transparent;
    font-size: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    box-shadow: none;
    transition: all 0.3s;
    z-index: 10;
}

.confirm-btn:hover {
    transform: translateX(-50%) translateY(-2px) scale(1.05);
    opacity: 0.9;
}

.arrow-left, .arrow-right {
    display: none;
}

.confirm-btn span:not(.arrow-left):not(.arrow-right) {
    display: none;
}

.decorative-ball {
    display: none;
}

.crown {
    position: absolute;
    top: -15px;
    font-size: 30px;
}

.ball-number {
    position: relative;
    z-index: 1;
}

.gift-box {
    display: none;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Right Panel */
.right-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tet-image {
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    margin-top: -50px;
    margin-left: -100px;
}

.game-title-section {
    text-align: center;
}

.title-banner {
    background: linear-gradient(135deg, #1E3A8A, #3B82F6);
    padding: 20px 40px;
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(30, 58, 138, 0.5);
}

.main-title {
    font-size: 42px;
    font-weight: bold;
    color: white;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    letter-spacing: 3px;
}

.subtitle {
    font-size: 56px;
    font-weight: bold;
    color: #FFA500;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.5), 0 0 20px rgba(255, 165, 0, 0.5);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.description-banner {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    padding: 15px 30px;
    border-radius: 10px;
    display: inline-block;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

.description-banner p {
    font-size: 18px;
    font-weight: bold;
    color: #8B4513;
    margin: 0;
}

.rewards-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.reward-box {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.9), rgba(255, 165, 0, 0.9));
    border: 3px solid #FFD700;
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
    transition: all 0.3s;
}

.reward-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 215, 0, 0.6);
}

.reward-title {
    font-size: 24px;
    font-weight: bold;
    color: #8B4513;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.reward-points {
    font-size: 32px;
    font-weight: bold;
    color: #DC143C;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.reward-desc {
    font-size: 14px;
    color: #8B4513;
    font-weight: 500;
}

.floating-ticket {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    padding: 15px 25px;
    border-radius: 10px;
    font-size: 24px;
    font-weight: bold;
    color: #8B4513;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
    animation: float 4s ease-in-out infinite;
    z-index: 3;
}

/* Responsive Design */
@media (max-width: 1400px) {
    .main-container {
        flex-direction: column;
    }
    
    .rewards-section {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .top-nav {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 10px;
        padding: 15px 20px;
    }
    
    .logo-image {
        height: 58px;
    }
    
    .nav-right {
        flex-wrap: nowrap;
        justify-content: flex-end;
        gap: 10px;
    }
    
    .nav-btn:not(.login-btn) {
        display: none;
    }
    
    .nav-btn {
        font-size: 12px;
        padding: 8px 15px;
    }
    
    .main-container {
        padding: 20px;
    }
    
    .rewards-section {
        grid-template-columns: 1fr;
    }
    
    .subtitle {
        font-size: 36px;
    }
    
    .main-title {
        font-size: 28px;
    }
    
    .number-inputs {
        gap: 10px;
    }
    
    .number-circle {
        width: 60px;
        height: 60px;
    }
    
    .number-input {
        font-size: 28px;
    }
    
    .input-area {
        top: 22%;
        left: 48%;
    }
    
    .lottery-machine {
        background-size: 105%;
        background-position: -100% 15%;
        overflow: hidden;
        height: 600px;
    }
    
    .confirm-btn {
        position: absolute;
        bottom: 350px;
        top: auto;
        width: 35vw;
        max-width: 150px;
        min-width: 120px;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .input-title {
        font-size: 12px;
        margin-bottom: 10px;
    }
    
    .account-input-wrapper {
        width: 180px;
        height: 40px;
    }
    
    .account-input {
        font-size: 14px;
    }
    
    .account-input::placeholder {
        font-size: 12px;
    }
    
    .number-circle {
        width: 40px;
        height: 40px;
    }
    
    .number-input {
        font-size: 18px;
    }
    
    .tet-image {
        margin-top: -350px;
        margin-left: 0px;
    }
}