@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    /* MODO OSCURO (DEFAULT) */
    --bg-color: #0f0f23;
    --primary-color: #1a1a2e;
    --secondary-color: #16213e;
    --accent-color: #4cc9f0;
    --accent-hover: #3aa8c9;
    --font-color: #e0e0e0;
    --success-color: #4ade80;
    --warning-color: #f59e0b;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    --glow: 0 0 15px rgba(76, 201, 240, 0.5);
}

body.light-mode {
    --bg-color: #ffffff;
    --primary-color: #e0e0e0;
    --secondary-color: #f0f0f0;
    --accent-color: #3f51b5;
    --accent-hover: #303f9f;
    --font-color: #1a1a1a;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --glow: 0 0 8px rgba(63, 81, 181, 0.3);

    background-image: 
        radial-gradient(circle at 10% 20%, rgba(63, 81, 181, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(63, 81, 181, 0.05) 0%, transparent 20%);
}

body.light-mode header h1 {
    background: linear-gradient(90deg, var(--accent-color), #673ab7);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

body.light-mode header::before {
    background: none; 
}
body.light-mode .header-logo {
    filter: drop-shadow(0 0 5px rgba(0, 0, 0, 0.2));
}
body.light-mode .fab.fa-java {
    color: #d32f2f;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--font-color);
    line-height: 1.6;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(76, 201, 240, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(76, 201, 240, 0.05) 0%, transparent 20%);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.5s, color 0.5s; /* Transición para el cambio de tema */
}

header {
    text-align: center;
    padding: 3rem 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%234cc9f0' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.5;
}

.header-content {
    position: relative;
    z-index: 1;
    animation: fadeInDown 1s ease-out;
}


.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 0.5rem;
}

.header-logo {
    width: 100px;
    height: 100px;
    filter: drop-shadow(0 0 20px rgba(76, 201, 240, 0.7));
    transition: transform 0.5s ease-in-out;
    transform-origin: center; 
}

.header-logo:hover {
    transform: rotate(360deg) scale(1.05);
    filter: drop-shadow(0 0 30px var(--accent-color));
}

header h1 {
    font-weight: 700;
    font-size: 3.5rem;
    background: linear-gradient(90deg, var(--accent-color), #a78bfa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
    margin-bottom: 0;
}


header p {
    font-weight: 300;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

header code {
    background-color: rgba(76, 201, 240, 0.2);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    color: var(--accent-color);
    font-weight: 500;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.uploader {
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}


#fileInput {
    width: 0.1px;
    height: 0.1px;
    opacity: 0;
    overflow: hidden;
    position: absolute;
    z-index: -1;
}

#fileLabel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 3.5rem 2rem;
    border: 3px dashed var(--secondary-color);
    border-radius: var(--border-radius);
    text-align: center;
    font-size: 1.2rem;
    font-weight: 400;
    cursor: pointer;
    transition: var(--transition);
    background-color: rgba(26, 26, 46, 0.7);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

#fileLabel::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(76, 201, 240, 0.1), transparent);
    transition: left 0.7s;
}

#fileLabel:hover::before {
    left: 100%;
}

#fileLabel:hover {
    background-color: rgba(26, 26, 46, 0.9);
    border-color: var(--accent-color);
    box-shadow: var(--shadow), var(--glow);
    transform: translateY(-5px);
}

#fileLabel.hover {
    background-color: rgba(26, 26, 46, 0.9);
    border-color: var(--accent-color);
    box-shadow: var(--shadow), var(--glow);
    transform: translateY(-5px);
}

#fileLabel i {
    font-size: 3rem;
    color: var(--accent-color);
    transition: var(--transition);
}

#fileLabel:hover i {
    transform: scale(1.1);
}

.upload-text {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.upload-text span {
    font-weight: 500;
}

.upload-text small {
    font-size: 0.9rem;
    color: #a0a0a0;
    font-weight: 300;
}

.output-wrapper {
    display: flex;
    gap: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    min-height: 500px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.8s ease-out;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.output-wrapper.show {
    opacity: 1;
    transform: translateY(0);
}

.file-list-container {
    flex: 1;
    background-color: rgba(15, 15, 35, 0.7);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    overflow-y: auto;
    max-height: 500px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(76, 201, 240, 0.1);
}

#jarName {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(76, 201, 240, 0.2);
    word-break: break-all;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
}

#fileList {
    list-style: none;
}

#fileList li {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    word-break: break-all;
    transition: var(--transition);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

#fileList li::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(76, 201, 240, 0.1), transparent);
    transition: left 0.5s;
}

#fileList li:hover::before {
    left: 100%;
}

#fileList li:hover {
    background-color: rgba(76, 201, 240, 0.1);
    transform: translateX(5px);
}

#fileList li.active {
    background-color: rgba(76, 201, 240, 0.15);
    border-left: 3px solid var(--accent-color);
}

#fileList li.folder {
    font-weight: 600;
    color: #cccccc;
}

#fileList li i {
    width: 16px;
    text-align: center;
}

.file-viewer {
    flex: 2;
    display: flex;
    flex-direction: column;
    background-color: rgba(15, 15, 35, 0.7);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(76, 201, 240, 0.1);
}

#fileTitle {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    word-break: break-all;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
}

#fileContent {
    flex-grow: 1;
    background-color: rgba(10, 10, 20, 0.8);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    white-space: pre-wrap;
    overflow-y: auto;
    color: #c0c0c0;
    line-height: 1.5;
    border: 1px solid rgba(76, 201, 240, 0.1);
    transition: var(--transition);
}

#fileContent:hover {
    box-shadow: 0 0 10px rgba(76, 201, 240, 0.2);
}

#downloadButton {
    display: block;
    width: 100%;
    padding: 0.9rem;
    margin-top: 1rem;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(76, 201, 240, 0.3);
}

#downloadButton:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(76, 201, 240, 0.4);
}

footer {
    text-align: center;
    padding: 2.5rem;
    margin-top: 3rem;
    color: #888;
    font-size: 0.9rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(76, 201, 240, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(76, 201, 240, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(76, 201, 240, 0);
    }
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(26, 26, 46, 0.5);
    border-radius: 10px;
}

.fab.fa-java {
    color: #f8981d;
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}


.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 0.5rem;
}

.header-logo {
    width: 100px;
    height: 100px;
    filter: drop-shadow(0 0 20px rgba(76, 201, 240, 0.7));
    transition: transform 0.5s ease-in-out;
    transform-origin: center; 
}

.header-logo:hover {
    transform: rotate(360deg) scale(1.05);
    filter: drop-shadow(0 0 30px var(--accent-color));
}

header h1 {
    font-weight: 700;
    font-size: 3.5rem;
    background: linear-gradient(90deg, var(--accent-color), #a78bfa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
    margin-bottom: 0;
}

.header-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 10;
    display: flex;
    gap: 10px;
}

.header-controls button {
    background-color: var(--secondary-color);
    color: var(--font-color);
    border: none;
    padding: 0.7rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    box-shadow: var(--shadow);
}

.header-controls button:hover {
    background-color: var(--primary-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}


#themeToggle i {
    width: 20px;
    text-align: center;
}


.language-selector {
    position: relative;
    display: inline-block;
}

#langButton {
    display: flex;
    align-items: center;
    gap: 5px;
}

#currentLangFlag {
    font-size: 1.2em;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 140px;
    background-color: var(--primary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    z-index: 10;
    margin-top: 5px;
    overflow: hidden;
}

.dropdown-content a {
    color: var(--font-color);
    padding: 10px 15px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    transition: background-color 0.2s;
}

.dropdown-content a:hover {
    background-color: var(--secondary-color);
    color: var(--accent-color);
}

.language-selector.open .dropdown-content {
    display: block;
}

@media (max-width: 768px) {
    .output-wrapper {
        flex-direction: column;
    }
    
    .file-list-container, .file-viewer {
        max-height: 300px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .header-logo {
        width: 80px;
        height: 80px;
    }
    
    .header-controls {
        top: 15px;
        right: 15px;
        flex-direction: column;
        align-items: flex-end;
    }
    .header-controls button {
        padding: 0.5rem;
    }
    .language-selector {
        width: 100%;
        text-align: right;
    }
}