/* --- Global Theme & Block Setup --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

:root {
    --dark-bg: #060913; 
    --card-bg-fallback: #0b0f19;
    
    --clr-demon: #ff0000;
    --clr-titanium: #00b4d8;
    --clr-tatan: #8a2be2;
}

body {
    background-color: var(--dark-bg);
    background-image: url(image/bg2.jpg);
    color: #ffffff;
    padding-bottom: 60px;

    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.shop-header {
    text-align: center;
    padding: 50px 0 20px;
}

.shop-header h1 {
    font-size: 3.5rem;
    color: #e2e8f0;
    letter-spacing: 4px;
    font-weight: 900;
    text-shadow: 0px 0px 15px rgba(255, 255, 255, 0.2);
}

.subtitle {
    color: #38bdf8;
    font-size: 0.9rem;
    font-weight: bold;
    letter-spacing: 2px;
    margin-top: 5px;
}

.username-section {
    margin-bottom: 40px;
}

.username-box {
    background-color: rgba(11, 15, 25, 0.6);
    border: 2px solid #1e293b;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    max-width: 450px;
    margin: 0 auto;
    backdrop-filter: blur(10px);
}

.username-box label {
    font-weight: 600;
    color: #94a3b8;
    font-size: 1rem;
}

.username-box input {
    width: 100%;
    padding: 12px;
    border: 2px solid #334155;
    border-radius: 8px;
    background-color: #0f172a;
    color: #fff;
    font-size: 1.1rem;
    text-align: center;
    transition: border-color 0.2s;
}

.username-box input:focus {
    outline: none;
    border-color: #38bdf8;
}

.rank-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.rank-card {
    background: linear-gradient(180deg, rgb(110, 110, 110) 0%, rgba(2, 6, 23, 0.9) 100%);
    border-radius: 18px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: transform 0.3s ease;
}

.rank-card:hover {
    transform: translateY(-5px);
}

.tier-demon { border: 2px solid var(--clr-demon); box-shadow: 0 0 15px rgba(255, 0, 0, 0.15); }
.tier-titanium { border: 2px solid var(--clr-titanium); box-shadow: 0 0 15px rgba(0, 180, 216, 0.15); }
.tier-tatan { border: 2px solid var(--clr-tatan); box-shadow: 0 0 15px rgba(138, 43, 226, 0.15); }

.rank-title {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 20px;
}
.tier-demon .rank-title { color: var(--clr-demon); }
.tier-titanium .rank-title { color: var(--clr-titanium); }
.tier-tatan .rank-title { color: var(--clr-tatan); }

.rank-img-wrapper {
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    width: 100%;
}

.rank-img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    filter: drop-shadow(0px 0px 12px rgba(255,255,255,0.1));
}

.price-tag {
    background-color: rgba(0, 0, 0, 0.4);
    padding: 8px 30px;
    border-radius: 30px;
    font-size: 1.3rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 25px;
}
.tier-demon .price-tag { border: 2px solid var(--clr-demon); color: #fff; }
.tier-titanium .price-tag { border: 2px solid var(--clr-titanium); color: #fff; }
.tier-tatan .price-tag { border: 2px solid var(--clr-tatan); color: #fff; }

.diamond-icon {
    font-size: 1rem;
}
.tier-demon .diamond-icon { color: var(--clr-demon); }
.tier-titanium .diamond-icon { color: var(--clr-titanium); }
.tier-tatan .diamond-icon { color: var(--clr-tatan); }

.perks-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 25px;
    flex-grow: 1;
}

.perk-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.perk-icon {
    font-size: 1.1rem;
    opacity: 0.8;
}

.perk-text {
    font-size: 0.95rem;
    color: #cbd5e1;
}

.buy-btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    color: #fff;
    font-weight: bold;
    font-size: 1rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.tier-demon .buy-btn { background-color: rgba(255, 0, 0, 0.2); border: 1px solid var(--clr-demon); }
.tier-titanium .buy-btn { background-color: rgba(0, 180, 216, 0.2); border: 1px solid var(--clr-titanium); }
.tier-tatan .buy-btn { background-color: rgba(138, 43, 226, 0.2); border: 1px solid var(--clr-tatan); }

.buy-btn:hover {
    filter: brightness(1.4);
}
.buy-btn:active {
    transform: scale(0.98);
}

.shop-footer {
    margin-top: 60px;
    text-align: center;
}

.thank-you-bar {
    display: inline-block;
    background-color: rgba(0,0,0,0.4);
    border: 2px solid #00b4d8;
    color: #00b4d8;
    border-radius: 8px;
    padding: 12px 35px;
    font-weight: bold;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.thank-you-bar span {
    margin: 0 5px;
}

/* --- POPUP STYLES --- */
.popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.popup.active {
    display: flex;
}

.popup-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
}

.popup-content {
    position: relative;
    width: 100%;
    max-width: 1000px;
    max-height: 90vh;
    background: linear-gradient(135deg, #1a1f35 0%, #0f1419 100%);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.exit-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.exit-btn:hover {
    background: rgba(255, 68, 68, 0.2);
    border-color: #ff4444;
    color: #ff4444;
}

.popup-header {
    text-align: center;
 
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.popup-header h2 {
    font-size: 28px;
    color: #fff;
    margin-bottom: 8px;
    font-weight: 700;
}

.popup-header p {
    color: #94a3b8;
    font-size: 14px;
}

.popup-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    padding: 40px;
}

.section-title {
    font-size: 18px;
    color: #fff;
    margin-bottom: 20px;
    font-weight: 600;
}

/* Form Panel */
.info-panel {
    padding-right: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: #cbd5e1;
    font-weight: 500;
}

.required {
    color: #ff6b6b;
}

.optional {
    color: #64748b;
    font-size: 12px;
    font-weight: normal;
}

input[type="text"],
input[type="email"],
select {
    width: 100%;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 12px 16px;
    color: #fff;
    font-size: 14px;
    transition: all 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
select:focus {
    outline: none;
    border-color: #38bdf8;
    background: rgba(15, 23, 42, 0.8);
}

input::placeholder {
    color: #64748b;
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2364748b' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

option {
    background: #1a1f35;
    color: #fff;
}

.info-note {
    display: flex;
    gap: 12px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 8px;
    padding: 14px;
    margin-top: 24px;
    color: #7dd3fc;
    font-size: 13px;
    line-height: 1.5;
}

.info-note svg {
    flex-shrink: 0;
    margin-top: 2px;
}

/* Summary Panel */
.summary-panel {
    padding-left: 15px;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.summary-content {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 24px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
}

.summary-item .label {
    color: #94a3b8;
    font-size: 14px;
}

.summary-item .value {
    color: #fff;
    font-size: 14px;
    font-weight: 500;
}

.summary-item .value.highlight {
    color: #38bdf8;
    font-weight: 600;
}

.divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 16px 0;
}

.total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.total-label {
    font-size: 18px;
    color: #fff;
    font-weight: 600;
}

.total-value {
    font-size: 32px;
    color: #38bdf8;
    font-weight: 700;
}

.btn-payment {
    width: 100%;
    background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
    border: none;
    border-radius: 8px;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.btn-payment:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(56, 189, 248, 0.3);
}

.payment-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
    color: #64748b;
    font-size: 13px;
}

.payment-info svg {
    color: #38bdf8;
}

.thank-note {
    background: rgba(56, 189, 248, 0.05);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: 12px;
    padding: 20px;
    margin-top: 24px;
    text-align: center;
}

.thank-note h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 8px;
}

.thank-note p {
    color: #94a3b8;
    font-size: 13px;
    line-height: 1.5;
}

/* --- Responsive Layout --- */
@media (max-width: 950px) {
    .rank-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .popup-body {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .summary-panel {
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-left: 0;
        padding-top: 30px;
    }
    
    .info-panel {
        padding-right: 0;
    }
}

@media (max-width: 650px) {
    .rank-grid {
        grid-template-columns: 1fr;
    }
    .shop-header h1 {
        font-size: 2.5rem;
    }
    
    .popup-header h2 {
        font-size: 24px;
    }
    
    .popup-body {
        padding: 30px 20px;
    }
    
    .popup-content {
        margin: 10px;
    }
}