:root {
    --color-tema: #ff6b35;
    --color-hover: #f7931e;
    --nexo-font: 'Montserrat', sans-serif;
}

html,
body {
    overflow-x: hidden;
    width: 100%;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--fondo-body);
    transition: background-color 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

header {
    text-align: center;
    width: 100%;
    margin-top: 5rem;
}

.btn-back {
    display: inline-block;
    margin: 2rem auto 1rem auto;
    padding: 10px 20px;
    background-color: var(--fondo-card);
    border: 2px solid var(--borde-card);
    border-radius: 8px;
    text-decoration: none;
    color: var(--texto-negro);
    font-weight: 700;
    transition: all 0.2s;
}

.btn-back:hover {
    background-color: var(--color-tema);
    color: #fff;
    border-color: var(--color-tema);
    transform: translateY(-2px);
}

.bench-title {
    font-family: 'Montserrat', sans-serif !important;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -1px;
    margin: 1.5rem auto 0.8rem auto;
    font-size: clamp(2rem, 5vw, 3.2rem);
    color: var(--color-tema);
}

.header-desc {
    font-size: 1rem;
    color: var(--texto-gris);
    margin-bottom: 2rem;
    text-align: center;
}

.step-container {
    max-width: 550px;
    margin: 2rem auto;
    padding: 1.8rem;
    background-color: var(--fondo-card);
    border: 2px solid var(--borde-card);
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--sombra-industrial);
}

.step-badge {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: #fff;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.step-2 {
    background: linear-gradient(135deg, #00bcd4, #0288d1);
}

.step-container h3 {
    font-size: 1.5rem;
    color: var(--texto-negro);
    margin-bottom: 0.8rem;
}

.step-container p {
    color: var(--texto-gris);
    margin-bottom: 1.5rem;
}

.btn-download-script {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-weight: 800;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

.btn-download-script:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
}

.small-note {
    font-size: 0.85rem;
    color: var(--texto-gris);
    margin-top: 1rem;
}

.upload-container {
    max-width: 550px;
    margin: 2rem auto;
    padding: 2.5rem 1.8rem;
    background-color: var(--fondo-card);
    border: 3px dashed var(--borde-card);
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s;
}

.upload-container:hover {
    border-color: var(--color-tema);
    background-color: var(--fondo-card-hover, #fff8f5);
}

.icon-upload {
    font-size: 3rem;
    margin-bottom: 0.8rem;
}

.upload-container h2 {
    font-size: 1.5rem;
    color: var(--texto-negro);
    margin-bottom: 0.8rem;
}

.upload-container code {
    background-color: #f5f5f5;
    padding: 3px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: #d63384;
}

.upload-btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--color-tema);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 1rem;
}

.upload-btn:hover {
    background-color: var(--color-hover);
    transform: scale(1.05);
}

#fileInput {
    display: none;
}

#results-area {
    display: none;
    max-width: 900px;
    margin: 3rem auto;
    padding: 0 20px;
}

.master-card {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    border-radius: 20px;
    padding: 2.5rem 1.8rem;
    text-align: center;
    color: #fff;
    margin-bottom: 2.5rem;
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* --- RANK THEMES --- */
.glow-s-plus {
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%) !important;
    box-shadow: 0 0 40px rgba(0, 210, 255, 0.7) !important;
    animation: pulse-glow-s 2s infinite alternate;
}

.glow-s {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%) !important;
    box-shadow: 0 0 30px rgba(30, 60, 114, 0.6) !important;
}

.glow-a {
    background: linear-gradient(135deg, #00b09b 0%, #96c93d 100%) !important;
    box-shadow: 0 0 30px rgba(0, 176, 155, 0.5) !important;
}

.glow-b {
    background: linear-gradient(135deg, #f12711 0%, #f5af19 100%) !important;
    box-shadow: 0 0 30px rgba(245, 175, 25, 0.5) !important;
}

.glow-c {
    background: linear-gradient(135deg, #ff9966 0%, #ff5e62 100%) !important;
    box-shadow: 0 0 20px rgba(255, 94, 98, 0.4) !important;
}

.glow-f {
    background: linear-gradient(135deg, #ff0000 0%, #990000 100%) !important;
    box-shadow: 0 0 40px rgba(255, 0, 0, 0.8) !important;
    animation: alert-f 0.5s infinite alternate;
}

@keyframes pulse-glow-s {
    from { 
        box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
        transform: scale(1);
    }
    to { 
        box-shadow: 0 0 50px rgba(0, 210, 255, 0.9);
        transform: scale(1.02);
    }
}

@keyframes alert-f {
    from { filter: brightness(1); }
    to { filter: brightness(1.3); }
}

.boot-label {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.rank-big {
    font-size: 4rem;
    font-weight: 900;
    margin: 0.8rem 0;
}

.boot-time-text {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.rank-message {
    font-size: 1.1rem;
    opacity: 0.9;
}

.hardware-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.hw-card {
    background-color: var(--fondo-card);
    border: 2px solid var(--borde-card);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--sombra-industrial);
}

.hw-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 0.8rem;
}

.hw-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--texto-negro);
    margin-bottom: 0.5rem;
}

.hw-name {
    font-size: 0.95rem;
    color: var(--texto-gris);
    margin-bottom: 1rem;
    min-height: 40px;
}

.power-bar-bg {
    width: 100%;
    height: 20px;
    background-color: #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.power-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #ff6b35, #f7931e);
    width: 0%;
    transition: width 1s ease;
}

.hw-score {
    font-size: 0.9rem;
    color: var(--texto-gris);
    font-weight: 600;
}

.verdict-box {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #00bcd4, #0288d1);
    color: #fff;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
}

.verdict-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.verdict-text {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.upgrade-tip {
    font-size: 0.95rem;
    opacity: 0.9;
}

.action-buttons {
    text-align: center;
    margin-top: 2rem;
}

.reload-btn {
    background-color: #333;
}

.reload-btn:hover {
    background-color: #555;
}

body.dark-mode {
    --color-tema: #ff8c66;
    --fondo-card-hover: #1a1a1a;
}

body.dark-mode .bench-title {
    color: var(--color-tema);
}

body.dark-mode .header-desc {
    color: #aaa;
}

body.dark-mode .step-container,
body.dark-mode .upload-container,
body.dark-mode .hw-card {
    background-color: #27272a;
    border-color: #444;
}

body.dark-mode .step-container h3,
body.dark-mode .upload-container h2,
body.dark-mode .hw-title {
    color: #fff;
}

body.dark-mode .step-container p,
body.dark-mode .upload-container p,
body.dark-mode .hw-name,
body.dark-mode .hw-score {
    color: #aaa;
}

body.dark-mode .upload-container code {
    background-color: #1a1a1a;
    color: #ff8c66;
}

body.dark-mode .power-bar-bg {
    background-color: #3a3a3a;
}

body.dark-mode .btn-back {
    background-color: #27272a;
    border-color: #555;
    color: #fff;
}

body.dark-mode .btn-back:hover {
    background-color: var(--color-tema);
    color: #000;
    border-color: var(--color-tema);
}

@media (max-width: 768px) {
    .bench-title {
        font-size: 2.5rem;
    }
    
    .step-container,
    .upload-container {
        padding: 1.5rem;
        margin: 2rem 15px;
    }
    
    .rank-big {
        font-size: 3.5rem;
    }
    
    .boot-time-text {
        font-size: 1.5rem;
    }
    
    .hardware-section {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .hw-icon {
        font-size: 2.5rem;
    }
}