* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: 0.3s;
}

:root {
    --primary: #ff4757;
    --whatsapp: #25D366;
    --light-bg: linear-gradient(135deg, #667eea, #764ba2);
    --dark-bg: linear-gradient(135deg, #1a1a2e, #16213e);
    --card-light: #fff;
    --card-dark: #2d2d3a;
    --text-light: #333;
    --text-dark: #fff;
    --navbar-light: rgba(255, 255, 255, 0.95);
    --navbar-dark: rgba(45, 45, 58, 0.95);
}

body {
    font-family: 'Segoe UI', sans-serif;
    min-height: 100vh;
    background: var(--light-bg);
    color: var(--text-light);
    padding-top: 60px;
}

body.dark {
    background: var(--dark-bg);
    color: var(--text-dark);
}

body.dark .card,
body.dark .info-card {
    background: var(--card-dark);
}

body.dark input,
body.dark select,
body.dark textarea {
    background: #353540;
    color: #fff;
    border-color: #404040;
}

body.dark .diamond-card,
body.dark .payment-card {
    background: #2d2d3a;
    border-color: #404040;
}

/* Navbar Styles */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--navbar-light);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1001;
    border-bottom: 2px solid var(--primary);
    height: 60px;
    display: flex;
    align-items: center;
}

body.dark .navbar {
    background: var(--navbar-dark);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
}

.store-name {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: bold;
    color: var(--primary);
}

.store-name i {
    font-size: 22px;
}

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

.nav-item {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    transition: 0.3s;
    color: var(--text-light);
}

body.dark .nav-item {
    color: var(--text-dark);
}

.nav-item:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.nav-item i {
    font-size: 16px;
}

.nav-item span {
    font-size: 13px;
    font-weight: 500;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 75px;
    right: 20px;
    z-index: 1000;
}

#themeToggle {
    background: var(--card-light);
    border: none;
    border-radius: 50px;
    padding: 10px 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    font-weight: 600;
    font-size: 13px;
    border: 2px solid var(--primary);
}

body.dark #themeToggle {
    background: var(--card-dark);
    color: #fff;
}

/* Header */
header {
    text-align: center;
    color: white;
    margin-bottom: 40px;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.game-logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.logo h1 {
    font-size: 36px;
}

.logo span {
    color: var(--primary);
}

.indonesia-flag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 15px;
    border-radius: 30px;
    margin-top: 10px;
}

.indonesia-flag i,
.indonesia-flag span {
    color: white;
}

.tagline {
    font-size: 18px;
    opacity: 0.9;
    margin-top: 10px;
}

/* Card */
.card,
.info-card {
    background: var(--card-light);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    margin-bottom: 30px;
}

.info-card {
    padding: 30px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
}

body.dark .info-item {
    background: #353540;
}

.info-item i {
    font-size: 30px;
    color: var(--primary);
}

/* Form */
.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group label i {
    margin-right: 8px;
    color: var(--primary);
}

.id-server-group {
    display: flex;
    gap: 10px;
}

.id-server-group input {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 16px;
}

.id-server-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 71, 87, 0.2);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #888;
    font-size: 12px;
}

/* Required field */
.required {
    color: #ff4757;
    font-size: 14px;
    margin-left: 4px;
}

/* Category Title */
.category-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 0 15px 0;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(255, 71, 87, 0.3);
}

.category-title i {
    font-size: 24px;
    color: var(--primary);
    background: rgba(255, 71, 87, 0.1);
    padding: 8px;
    border-radius: 10px;
}

.category-title h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
}

/* Diamond Options */
.diamond-options,
.payment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    margin-top: 10px;
}

.diamond-card,
.payment-card {
    background: linear-gradient(135deg, #fff5f5, #fff);
    border: 2px solid #ffe0e0;
    border-radius: 15px;
    padding: 15px;
    cursor: pointer;
    text-align: center;
    transition: 0.3s;
}

.payment-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.diamond-card:hover,
.payment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 71, 87, 0.2);
}

.diamond-card.selected,
.payment-card.selected {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(255, 71, 87, 0.1), rgba(255, 71, 87, 0.2));
}

.diamond-card[data-type="membership"] {
    background: linear-gradient(135deg, #fff0e6, #ffe6d5);
    border-color: #ffb08c;
}

.diamond-card[data-type="membership"]:hover {
    box-shadow: 0 10px 30px rgba(255, 128, 0, 0.2);
}

.diamond-card[data-type="membership"].selected {
    border-color: #ff8c00;
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.1), rgba(255, 140, 0, 0.2));
}

.diamond-card[data-type="membership"] .diamond-amount i {
    color: #ff8c00;
}

.diamond-amount {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 5px;
}

.diamond-amount i {
    color: var(--primary);
    font-size: 18px;
}

.diamond-amount span {
    font-weight: bold;
    font-size: 14px;
}

.diamond-price {
    font-size: 16px;
    font-weight: bold;
    color: var(--primary);
    margin: 5px 0;
}

.diamond-card[data-type="membership"] .diamond-price {
    color: #ff8c00;
}

.bonus {
    background: #26de81;
    color: white;
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 12px;
    display: inline-block;
    margin-top: 5px;
}

.bonus.hidden {
    display: none !important;
}

.payment-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.payment-info i {
    font-size: 24px;
}

.payment-price {
    font-weight: bold;
    color: var(--primary);
    font-size: 16px;
}

/* Warna metode pembayaran */
.payment-card[data-payment="DANA"] i {
    color: #008080;
}

.payment-card[data-payment="OVO"] i {
    color: #4a2c8a;
}

.payment-card[data-payment="GoPay"] i {
    color: #00aed6;
}

.payment-card[data-payment="QRIS"] i {
    color: #6c5ce7;
}

/* Notes Group */
.notes-group {
    margin-top: 20px;
}

.notes-input-wrapper textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 14px;
    font-family: 'Segoe UI', sans-serif;
    resize: vertical;
    min-height: 80px;
}

.notes-input-wrapper textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 71, 87, 0.2);
}

/* Order Summary */
.order-summary {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 15px;
    padding: 20px;
    margin: 25px 0;
}

body.dark .order-summary {
    background: #2d2d3a;
}

.summary-content p {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px dashed #ccc;
}

.summary-content p:last-child {
    border-bottom: none;
}

.price {
    color: var(--primary);
    font-weight: bold;
    font-size: 18px;
}

#summaryNotesRow {
    border-top: 1px dashed #ccc;
    margin-top: 5px;
    padding-top: 8px;
}

#summaryNotesRow span:first-child {
    font-weight: 600;
}

#summaryNotes {
    max-width: 200px;
    word-wrap: break-word;
    text-align: right;
    color: var(--primary);
    font-style: italic;
}

/* WhatsApp Button */
.whatsapp-btn {
    width: 100%;
    padding: 15px;
    background: var(--whatsapp);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.whatsapp-btn:hover:not(:disabled) {
    background: #128C7E;
    transform: translateY(-2px);
}

.whatsapp-btn:disabled {
    background: #95a5a6;
    cursor: not-allowed;
    opacity: 0.7;
}

footer {
    text-align: center;
    color: white;
    margin-top: 40px;
    padding: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .id-server-group {
        flex-direction: column;
        gap: 10px;
    }

    .nav-right .nav-item span {
        display: none;
    }

    .diamond-options {
        grid-template-columns: repeat(3, 1fr);
    }

    .payment-options {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .diamond-options {
        grid-template-columns: repeat(2, 1fr);
    }

    .logo h1 {
        font-size: 28px;
    }

    .game-logo {
        width: 40px;
        height: 40px;
    }
}