/* ============================================================
   SECTION 1 — FONT IMPORTS
   ============================================================ */
@import url(https://db.onlinewebfonts.com/c/9b77a61b70b873a0f298ad6fbc801666?family=RazerF5);
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@1,400..900&display=swap');

/* ============================================================
   SECTION 2 — RESET & BASE
   ============================================================ */
*, ::before, ::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'RazerF5';
}

body {
    font-family: 'RazerF5';
    background: radial-gradient(circle at center, #1a1c29 0%, #0d0e15 100%);
    color: #eeeeee;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* ============================================================
   SECTION 3 — NAVIGATION (shared across all pages)
   ============================================================ */
nav {
    background-color: #0d0e15;
    padding: 15px;
    text-align: center;
    border-bottom: 1px solid #00d2ff;
}

nav a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    margin: 0 15px;
    font-weight: bold;
}

nav a:hover, .active {
    color: #00d2ff;
    text-shadow: 0 0 10px #00d2ff;
}

/* ============================================================
   SECTION 4 — FOOTER (shared across all pages)
   ============================================================ */
footer {
    margin-top: 100px;
    text-align: center;
    padding: 20px;
    background-color: #0d0e15;
    color: #666;
    border-top: 1px solid #00d2ff;
}

/* ============================================================
   SECTION 5 — HOME PAGE  (body.home-page)
   ============================================================ */
.home-page .container {
    width: 80%;
    margin: auto;
    text-align: center;
    padding-top: 50px;
}

.home-page h1 {
    color: #00d2ff;
    font-size: 40px;
    text-shadow: 0 0 20px rgba(0, 210, 255, 0.3);
}

.home-page p {
    font-size: 20px;
    line-height: 1.5;
    margin-bottom: 40px;
    color: #ccc;
}

.btn {
    background: linear-gradient(135deg, #00d2ff 0%, #00ff88 100%);
    color: #000;
    padding: 15px 30px;
    text-decoration: none;
    font-size: 20px;
    border-radius: 5px;
    margin: 10px;
    display: inline-block;
    border: none;
    font-weight: bold;
}

.btn:hover {
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.6);
    transform: scale(1.05);
}

.btn-outline {
    background: transparent;
    color: #00d2ff;
    border: 2px solid #00d2ff;
}

.btn-outline:hover {
    background: rgba(0, 210, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.6);
}

.features {
    margin-top: 80px;
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.feature {
    width: 200px;
    text-align: center;
    padding: 20px;
    background-color: rgba(13, 14, 21, 0.6);
    border: 1px solid rgba(0, 210, 255, 0.3);
    border-radius: 8px;
}

.feature h3 {
    color: #00d2ff;
    margin: 10px 0;
}

.feature p {
    font-size: 14px;
    color: #aaa;
    margin: 0;
}

.stats {
    margin-top: 60px;
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    padding: 20px;
}

.stat {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 36px;
    color: #00ff88;
    font-weight: bold;
}

.stat-label {
    color: #aaa;
    font-size: 14px;
    margin-top: 5px;
}

@media screen and (max-width: 600px) {
    .home-page .container {
        width: 95%;
    }
    .btn {
        display: block;
        width: 80%;
        margin: 10px auto;
    }
    .features {
        gap: 15px;
    }
    .feature {
        width: 100%;
        min-width: 150px;
    }
    .stats {
        gap: 20px;
    }
    .home-page h1 {
        font-size: 28px;
    }
}

/* ============================================================
   SECTION 6 — ABOUT PAGE  (body.about-page)
   ============================================================ */
.about-page .container {
    width: 60%;
    margin: auto;
    background-color: rgba(13, 14, 21, 0.8);
    padding: 40px;
    margin-top: 50px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid #00d2ff;
    box-sizing: border-box;
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.2);
}

.about-page h1 {
    color: #00d2ff;
    text-shadow: 0 0 20px rgba(0, 210, 255, 0.3);
}

.about-page p {
    font-size: 18px;
    line-height: 1.6;
    color: #aaa;
}

.highlight {
    color: #00ff88;
    font-weight: bold;
}

@media screen and (max-width: 600px) {
    .about-page .container {
        width: 95%;
        padding: 20px;
        margin-top: 20px;
    }
}

/* ============================================================
   SECTION 7 — READY PCS PAGE  (body.ready-page)
   ============================================================ */
.ready-page .container {
    width: 80%;
    margin: auto;
    padding-top: 30px;
}

.ready-page h1 {
    color: #00d2ff;
    text-align: center;
    text-shadow: 0 0 20px rgba(0, 210, 255, 0.3);
    font-size: 36px;
    margin-bottom: 10px;
}

.subtitle {
    text-align: center;
    color: #aaa;
    margin-bottom: 50px;
    font-size: 16px;
}

.grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
}

.card {
    background-color: rgba(13, 14, 21, 0.8);
    border: 1px solid #00d2ff;
    border-radius: 8px;
    width: 320px;
    padding: 0;
    text-align: center;
    box-shadow: 0 0 15px rgba(0, 210, 255, 0.1);
    transition: all 0.3s;
    overflow: hidden;
}

.card:hover {
    border-color: #00ff88;
    box-shadow: 0 0 25px rgba(0, 255, 136, 0.3);
    transform: translateY(-5px);
}

.card-image {
    width: 100%;
    height: 120px;
    background: linear-gradient(135deg, rgba(0, 210, 255, 0.1) 0%, rgba(0, 255, 136, 0.1) 100%);
    display: block;
    color: #00d2ff;
    font-size: 50px;
    border-bottom: 1px solid #00d2ff;
    overflow: hidden;
}

.card-content {
    padding: 15px;
}

.card h2 {
    color: #00d2ff;
    font-size: 22px;
    margin: 0 0 8px 0;
}

.card-badge {
    display: inline-block;
    background: linear-gradient(135deg, #00d2ff 0%, #00ff88 100%);
    color: #000;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: bold;
    margin-bottom: 10px;
}

.specs {
    text-align: left;
    color: #aaa;
    font-size: 12px;
    line-height: 1.5;
    margin: 10px 0;
    padding: 10px 0;
    border-top: 1px solid rgba(0, 210, 255, 0.2);
    border-bottom: 1px solid rgba(0, 210, 255, 0.2);
}

.specs-title {
    color: #00ff88;
    font-weight: bold;
    margin-bottom: 5px;
    font-size: 12px;
}

.specs p {
    margin: 5px 0;
}

.ready-page .price {
    font-size: 26px;
    color: #00ff88;
    font-weight: bold;
    margin: 12px 0 5px 0;
}

.price-label {
    color: #666;
    font-size: 12px;
    margin-bottom: 15px;
}

.ready-page .btn {
    background: linear-gradient(135deg, #00d2ff 0%, #00ff88 100%);
    color: #000;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
    font-weight: bold;
    border: none;
    cursor: pointer;
}

.ready-page .btn:hover {
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.8);
    transform: scale(1.08);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    overflow-y: auto;
}

.modal:target {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: #1a1c29;
    border: 1px solid #00d2ff;
    border-radius: 8px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: 0 0 30px rgba(0, 210, 255, 0.3);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    color: #00d2ff;
    text-decoration: none;
    cursor: pointer;
}

.modal-close:hover {
    color: #00ff88;
}

.modal h2 {
    color: #00d2ff;
    margin-top: 0;
    margin-bottom: 20px;
}

.modal-specs {
    background-color: rgba(0, 210, 255, 0.05);
    border: 1px solid rgba(0, 210, 255, 0.2);
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0;
    color: #aaa;
    line-height: 1.6;
    font-size: 14px;
}

.modal-price {
    font-size: 32px;
    color: #00ff88;
    font-weight: bold;
    margin: 15px 0 10px 0;
}

.modal-buttons {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.btn-checkout {
    flex: 1;
    background: linear-gradient(135deg, #00d2ff 0%, #00ff88 100%);
    color: #000;
    padding: 12px 20px;
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
    font-weight: bold;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-checkout:hover {
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.8);
    transform: scale(1.05);
}

.img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

@media screen and (max-width: 600px) {
    .ready-page .container {
        width: 95%;
    }
    .grid {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    .card {
        width: 100%;
        max-width: 320px;
    }
    .ready-page h1 {
        font-size: 28px;
    }
    .modal-content {
        width: 95%;
        padding: 20px;
        margin: 20px;
    }
    .modal h2 {
        font-size: 20px;
    }
    .modal-price {
        font-size: 24px;
    }
    .modal-specs {
        font-size: 12px;
        padding: 12px;
    }
    .btn-checkout {
        padding: 10px 15px;
        font-size: 14px;
    }
}

/* ============================================================
   SECTION 8 — PC BUILDER PAGE  (body.builder-page)
   ============================================================ */

/* Hide all radio/checkbox inputs — used as pure-CSS state toggles */
input[type="radio"], input[type="checkbox"] {
    display: none;
}

body.builder-page {
    background-color: #0d0e15;
    color: #fff;
    overflow: hidden;
    min-height: unset;
}

.pc-builder-app {
    display: flex;
    height: 100vh;
    width: 100vw;
}

.scene {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1200px;
    background: radial-gradient(circle at center, #1a1c29 0%, #0d0e15 100%);
}

.motherboard {
    width: 450px;
    height: 600px;
    background-image: url('images/Board.png');
    background-size: 120% 120%;
    background-position: center;
    border: 2px solid #333;
    border-radius: 10px;
    position: relative;
    transform: rotateX(60deg) rotateZ(-45deg);
    transform-style: preserve-3d;
    box-shadow: 20px 20px 60px rgba(0,0,0,0.8), inset 0 0 50px rgba(0,0,0,0.3);
    animation: floatBoard 6s ease-in-out infinite;
}

@keyframes floatBoard {
    0%   { transform: rotateX(60deg) rotateZ(-45deg) translateZ(0px); }
    50%  { transform: rotateX(60deg) rotateZ(-45deg) translateZ(15px); box-shadow: 20px 35px 70px rgba(0,210,255,0.15), inset 0 0 50px rgba(0,0,0,0.3); }
    100% { transform: rotateX(60deg) rotateZ(-45deg) translateZ(0px); }
}

.motherboard::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
    border-radius: 8px;
    pointer-events: none;
    z-index: 0;
}

.motherboard::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    background: linear-gradient(90deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
    background-size: 300% 300%;
    border-radius: 12px;
    z-index: -1;
    transform: translateZ(-2px);
    filter: blur(4px);
    animation: rgb-border-anim 6s linear infinite;
}

@keyframes rgb-border-anim {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.circuit-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(90deg, rgba(0,210,255,0.07) 1px, transparent 1px),
        linear-gradient(rgba(0,210,255,0.07) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
    z-index: 1;
}

.slot {
    position: absolute;
    background: rgba(255,255,255,0.08);
    border: 2px dashed #888;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 2;
    transform-style: preserve-3d;
}

.slot:hover {
    background: rgba(0,210,255,0.25);
    border-color: #00d2ff;
}

.cpu-slot     { top: 20%; left: 41%; width: 100px; height: 100px; border-radius: 5px; }
.ram-slot     { top: 10%; left: 78%; width: 75px; height: 250px; display: flex; justify-content: space-evenly; padding: 5px; }
.gpu-slot     { top: 60%; left: 12%; width: 185px; height: 35px; }
.storage-slot { top: 69%; left: 57%; width: 180px; height: 50px; }
.sound-slot   { top: 82%; left: 12%; width: 185px; height: 30px; }

.ram-stick {
    width: 15px;
    height: 100%;
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.4);
}

.pulse {
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 15px; height: 15px;
    background: #00d2ff; border-radius: 50%;
    box-shadow: 0 0 15px #00d2ff;
    animation: pulsing 1.5s infinite;
    z-index: 3; pointer-events: none;
}

@keyframes pulsing {
    0%   { transform: translate(-50%,-50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%,-50%) scale(3); opacity: 0; }
}

.tooltip {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) translateZ(100px) rotateZ(45deg) rotateX(-60deg);
    background: #00d2ff;
    color: #000;
    padding: 8px 18px;
    line-height: 1.5;
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    border-radius: 6px;
    font-size: 0.95rem;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.6), 0 0 25px rgba(0,210,255,0.4);
    z-index: 9999;
}

.slot:hover .tooltip {
    opacity: 1;
    transform: translate(-50%, -50%) translateZ(120px) rotateZ(45deg) rotateX(-60deg);
}

.info-panel {
    width: 420px; background: #151821;
    border-left: 2px solid #15d1c1; padding: 20px;
    box-shadow: 10px 0 30px rgba(0,0,0,0.5);
    z-index: 10; position: relative;
    display: flex; flex-direction: column; height: 100vh;
}

.panel-content { flex: 1; overflow-y: auto; padding-right: 4px; }
.panel-content::-webkit-scrollbar { width: 4px; }
.panel-content::-webkit-scrollbar-thumb { background: #00d2ff44; border-radius: 10px; }

.welcome-msg { color: #aaa; text-align: center; margin-top: 50px; }
.welcome-msg h2 { color: #fff; margin-bottom: 10px; font-weight: 500; }
.details-box { display: none; animation: slideIn 0.4s ease forwards; }

.details-box h3 {
    color: #00d2ff; margin-top: 10px; margin-bottom: 15px;
    border-bottom: 2px solid #2a2d3d; padding-bottom: 10px; font-size: 1rem;
}
.cooler-details h3 { color: #f0a500; margin-top: 25px; }

.item-card {
    background: #1e2230;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 12px;
    border: 1px solid #333;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    box-sizing: border-box;
}

.item-card:hover {
    border-color: #00d2ff;
    box-shadow: 0 5px 20px rgba(0, 210, 255, 0.2), inset 0 0 15px rgba(0, 210, 255, 0.1);
    transform: translateY(-3px);
    z-index: 10;
}
.cooler-details .item-card:hover {
    border-color: #f0a500;
    box-shadow: 0 5px 20px rgba(240, 165, 0, 0.2), inset 0 0 15px rgba(240, 165, 0, 0.1);
}

.item-card img {
    width: 70px !important;
    height: 70px !important;
    max-width: 70px !important;
    max-height: 70px !important;
    object-fit: contain !important;
    border-radius: 6px;
    background: #0d0e15;
    padding: 5px;
    flex-shrink: 0 !important;
}

.card-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.item-card h4 {
    color: #fff;
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.2;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.builder-page .price {
    color: #00ff88;
    font-weight: bold;
    font-size: 1.05rem;
}

.add-btn {
    background: #00d2ff22; border: 1px solid #00d2ff;
    color: #00d2ff; padding: 6px 14px; border-radius: 5px;
    cursor: pointer; font-size: 0.8rem; font-weight: bold;
    transition: all 0.2s; white-space: nowrap;
    user-select: none; display: inline-block;
}
.add-btn:hover { background: #00d2ff; color: #000; }
.cooler-details .add-btn { border-color: #f0a500; color: #f0a500; background: #f0a50022; }
.cooler-details .add-btn:hover { background: #f0a500; color: #000; }

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-30px); }
    to   { opacity: 1; transform: translateX(0); }
}

.cart-panel {
    background: rgba(15, 17, 25, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 20px;
    flex-shrink: 0;
    box-shadow: 0 -5px 25px rgba(0,0,0,0.6);
}

.cart-header {
    display: flex; justify-content: space-between;
    align-items: center; margin-bottom: 8px;
}

.cart-title {
    color: #00d2ff; font-size: 0.9rem; font-weight: bold;
    display: flex; align-items: center; gap: 8px;
}

.cart-row { display: none; }

#c-cpu1:checked ~ .info-panel .cart-panel #cr-cpu1,
#c-cpu2:checked ~ .info-panel .cart-panel #cr-cpu2,
#c-cpu3:checked ~ .info-panel .cart-panel #cr-cpu3,
#c-cpu4:checked ~ .info-panel .cart-panel #cr-cpu4,
#c-cpu5:checked ~ .info-panel .cart-panel #cr-cpu5,
#c-ram1:checked ~ .info-panel .cart-panel #cr-ram1,
#c-ram2:checked ~ .info-panel .cart-panel #cr-ram2,
#c-ram3:checked ~ .info-panel .cart-panel #cr-ram3,
#c-ram4:checked ~ .info-panel .cart-panel #cr-ram4,
#c-gpu1:checked ~ .info-panel .cart-panel #cr-gpu1,
#c-gpu2:checked ~ .info-panel .cart-panel #cr-gpu2,
#c-gpu3:checked ~ .info-panel .cart-panel #cr-gpu3,
#c-gpu4:checked ~ .info-panel .cart-panel #cr-gpu4,
#c-gpu5:checked ~ .info-panel .cart-panel #cr-gpu5,
#c-st1:checked ~ .info-panel .cart-panel #cr-st1,
#c-st2:checked ~ .info-panel .cart-panel #cr-st2,
#c-st3:checked ~ .info-panel .cart-panel #cr-st3,
#c-st4:checked ~ .info-panel .cart-panel #cr-st4,
#c-cool1:checked ~ .info-panel .cart-panel #cr-cool1,
#c-cool2:checked ~ .info-panel .cart-panel #cr-cool2,
#c-cool3:checked ~ .info-panel .cart-panel #cr-cool3,
#c-cool4:checked ~ .info-panel .cart-panel #cr-cool4,
#c-cool5:checked ~ .info-panel .cart-panel #cr-cool5,
#c-snd1:checked ~ .info-panel .cart-panel #cr-snd1,
#c-snd2:checked ~ .info-panel .cart-panel #cr-snd2,
#c-snd3:checked ~ .info-panel .cart-panel #cr-snd3,
#c-snd4:checked ~ .info-panel .cart-panel #cr-snd4 {
    display: flex;
}

.cart-empty { color: #555; font-size: 0.82rem; text-align: center; padding: 12px 0; display: block; }

input[type="checkbox"]:checked ~ .info-panel .cart-panel .cart-empty { display: none; }

input[type="checkbox"]:checked ~ .info-panel .panel-content label.add-btn {
    background: #00ff88 !important;
    border-color: #00ff88 !important;
    color: #000 !important;
}

.cart-items { max-height: 130px; overflow-y: auto; margin-bottom: 8px; }
.cart-items::-webkit-scrollbar { width: 3px; }
.cart-items::-webkit-scrollbar-thumb { background: #00d2ff44; border-radius: 10px; }

.cart-row {
    justify-content: space-between; align-items: center;
    padding: 6px 8px; background: #1e2230;
    border-radius: 6px; margin-bottom: 5px; font-size: 0.8rem;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.cart-row-info { display: flex; flex-direction: column; gap: 2px; }
.cart-row-name { color: #fff; font-weight: bold; font-size: 0.78rem; }
.cart-row-cat  { color: #555; font-size: 0.7rem; }
.cart-row-right { display: flex; align-items: center; gap: 8px; }
.cart-row-price { color: #00ff88; font-weight: bold; white-space: nowrap; font-size: 0.78rem; }

.remove-lbl {
    color: #ff4444; cursor: pointer; font-size: 1.1rem;
    line-height: 1; transition: transform 0.2s; display: inline-block;
}
.remove-lbl:hover { transform: scale(1.3); }

.cart-footer {
    display: flex; justify-content: space-between; align-items: center;
    border-top: 1px solid #2a2d3d; padding-top: 8px;
}
.cart-total-label { color: #aaa; font-size: 0.78rem; }
.cart-note { color: #00ff88; font-weight: bold; font-size: 0.78rem; margin-top: 2px; }

.checkout-btn {
    background: linear-gradient(135deg, #00d2ff, #00ff88);
    border: none; color: #000; padding: 8px 18px;
    border-radius: 6px; cursor: pointer; font-weight: bold;
    font-size: 0.85rem; transition: opacity 0.2s, transform 0.2s;
}
.checkout-btn:hover { opacity: 0.85; transform: scale(1.03); }

input[type="radio"]:checked ~ .info-panel .panel-content .welcome-msg { display: none; }
#cpu-radio:checked ~ .info-panel .panel-content .cpu-details,
#cpu-radio:checked ~ .info-panel .panel-content .cooler-details,
#ram-radio:checked ~ .info-panel .panel-content .ram-details,
#gpu-radio:checked ~ .info-panel .panel-content .gpu-details,
#storage-radio:checked ~ .info-panel .panel-content .storage-details,
#sound-radio:checked ~ .info-panel .panel-content .sound-details {
    display: block;
}

/* FIX: closed brace properly added; removed duplicate .animated-underline block that was nested inside */
#cpu-radio:checked ~ .scene .cpu-slot,
#ram-radio:checked ~ .scene .ram-slot,
#gpu-radio:checked ~ .scene .gpu-slot,
#storage-radio:checked ~ .scene .storage-slot,
#sound-radio:checked ~ .scene .sound-slot {
    background: rgba(0,210,255,0.35);
    border: 2px solid #00d2ff;
    box-shadow: 0 0 25px rgba(0,210,255,0.5);
}

.animated-underline {
    position: relative;
    display: inline-block;
    background: linear-gradient(90deg, #00d2ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.animated-underline::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #00d2ff, #00ff88);
    border-radius: 2px;
    animation: drawLine 0.5s ease-out 0.5s forwards;
}

@keyframes drawLine {
    to { width: 100%; }
}

.copyright {
    text-align: center;
    color: #555;
    font-size: 0.75rem;
    margin-top: 12px;
    padding-top: 8px;
    border-top: 1px dashed #2a2d3d;
}

/* Builder page responsive — placed AFTER base builder styles so these override correctly */
@media screen and (max-width: 768px) {
    body.builder-page {
        overflow-x: hidden;
        overflow-y: auto;
    }

    .pc-builder-app {
        flex-direction: column; height: auto; width: 100%;
    }

    .scene {
        padding: 20px 0; min-height: 350px; perspective: 800px; width: 100%;
    }

    .motherboard {
        width: 300px; height: 400px;
    }

    .info-panel {
        width: 100% !important; max-width: 100vw; flex: none;
        border-left: none; border-top: 2px solid #2a2d3d;
        height: auto; padding: 20px 15px 180px 15px; box-sizing: border-box;
    }

    .panel-content {
        overflow-y: visible;
    }

    .cart-panel {
        position: fixed; bottom: 0; left: 0;
        width: 100vw !important; z-index: 1000;
        box-shadow: 0 -10px 25px rgba(0,0,0,0.9);
        padding: 10px 15px; background: #0f1119; box-sizing: border-box;
    }

    .cart-empty {
        padding: 5px 0; font-size: 0.75rem;
    }

    .cart-items {
        max-height: 75px;
    }

    .checkout-btn {
        padding: 6px 12px; font-size: 0.8rem;
    }
}

@media screen and (max-width: 400px) {
    .motherboard {
        width: 250px; height: 333px;
    }
    .animated-underline {
        font-size: 28px;
    }
}