:root {
    --bg-dark: #121212;
    --bg-light: #1e1e1e;
    --accent-green: #ffb300;
    --text-primary: #fff5d4;
    --text-secondary: #ffe082;
    --text-muted: #666;
    --card-bg: rgba(30, 30, 30, 0.3);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-light) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
}

/* Sidebar Styles */
.sidebar {
    width: 250px;
    background: var(--bg-dark);
    padding: 20px 0;
    height: 100vh;
    position: fixed;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.2);
    border-right: 1px solid rgba(255, 179, 0, 0.2);
    backdrop-filter: blur(10px);
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255, 179, 0, 0.2);
}

.sidebar-header h2 {
    color: var(--accent-green);
    font-size: 2rem;
    background: linear-gradient(135deg, var(--accent-green), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    list-style: none;
    padding: 20px 0;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 179, 0, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.nav-link:hover::before {
    transform: translateX(100%);
}

.nav-link:hover {
    background: rgba(255, 179, 0, 0.1);
    color: var(--accent-green);
    transform: translateX(5px);
}

.nav-link i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
    color: var(--accent-green);
}

/* Main Content */
.content {
    margin-left: 250px;
    padding: 40px;
    width: calc(100% - 250px);
}

/* Tool Section Styles */
.tool-section {
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.tool-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.tool-section h2 {
    color: var(--accent-green);
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--accent-green);
    font-size: 2.2rem;
    background: linear-gradient(135deg, var(--accent-green), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.tool-section h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-green), transparent);
    transform-origin: left;
    animation: expandLine 1.5s ease-out forwards;
}

@keyframes expandLine {
    from { transform: scaleX(0); opacity: 0; }
    to { transform: scaleX(1); opacity: 1; }
}

/* Tool Card Styles */
.tool-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 179, 0, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 179, 0, 0.2);
}

.tool-card h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 600px;
    margin: 0 auto;
}

/* Form Elements */
input[type="text"],
input[type="number"],
select,
textarea {
    background: rgba(18, 18, 18, 0.8);
    border: 1px solid rgba(255, 179, 0, 0.3);
    border-radius: 10px;
    padding: 12px 15px;
    color: var(--text-primary);
    font-size: 1rem;
    width: 100%;
    transition: all 0.3s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    border-color: var(--accent-green);
    box-shadow: 0 0 10px rgba(255, 179, 0, 0.2);
    outline: none;
}

input[type="color"] {
    width: 60px;
    height: 60px;
    padding: 0;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    background: transparent;
}

button {
    background: linear-gradient(135deg, var(--accent-green), #ff6b35);
    color: var(--bg-dark);
    border: none;
    border-radius: 25px;
    padding: 12px 25px;
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: all 0.5s ease;
    z-index: 1;
}

button:hover::before {
    left: 100%;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 179, 0, 0.4);
}

/* Tool Descriptions */
.tool-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 10px;
    background: rgba(255, 179, 0, 0.1);
    border-left: 3px solid var(--accent-green);
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Results */
.result {
    background: rgba(18, 18, 18, 0.8);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid rgba(255, 179, 0, 0.3);
    min-height: 50px;
    position: relative;
    overflow: hidden;
}

.result::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-green), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s ease;
}

.result:not(:empty)::before {
    transform: scaleX(1);
}

/* Split View */
.split-view {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 100%;
}

/* Installer Grid */
.installer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.installer-item {
    background: var(--background-dark);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease;
}

.installer-item:hover {
    transform: translateY(-5px);
}

.installer-item i {
    font-size: 2em;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.installer-links {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

.installer-links a {
    color: var(--primary-color);
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 4px;
    background: rgba(33, 150, 243, 0.1);
}

.installer-links a:hover {
    background: rgba(33, 150, 243, 0.2);
}

/* Password Generator */
.password-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.password-result {
    display: flex;
    gap: 10px;
}

.password-result input {
    flex-grow: 1;
}

.copy-btn {
    padding: 8px;
    min-width: 40px;
}

/* Color Preview */
.color-preview {
    width: 100%;
    height: 50px;
    border-radius: 4px;
    border: 1px solid var(--text-secondary);
}

/* Percentage Calculator Styles */
.percentage-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-btn {
    flex: 1;
    background: rgba(255, 179, 0, 0.1);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 179, 0, 0.3);
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--accent-green), #ff6b35);
    color: var(--bg-dark);
    border-color: transparent;
}

.percent-change-input {
    display: flex;
    gap: 10px;
}

.percent-change-input input {
    flex: 2;
}

.percent-change-input select {
    flex: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }

    .sidebar-header h2,
    .nav-link span {
        display: none;
    }

    .content {
        margin-left: 60px;
        width: calc(100% - 60px);
        padding: 20px;
    }

    .tool-card {
        padding: 20px;
    }

    .split-view {
        grid-template-columns: 1fr;
    }

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

/* Dark Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-green);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #ff6b35;
}

/* Markdown/HTML Converter Styles */
.preview-rendered,
.preview-source {
    background: rgba(18, 18, 18, 0.8);
    border: 1px solid rgba(255, 179, 0, 0.3);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.preview-rendered h4,
.preview-source h4 {
    color: var(--accent-green);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.preview-source pre {
    background: rgba(0, 0, 0, 0.3);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Consolas', monospace;
}

.preview-source code {
    color: var(--text-secondary);
}

.preview-rendered {
    color: var(--text-primary);
}

.preview-rendered h1,
.preview-rendered h2,
.preview-rendered h3,
.preview-rendered h4,
.preview-rendered h5,
.preview-rendered h6 {
    color: var(--accent-green);
    margin: 1em 0 0.5em;
}

.preview-rendered a {
    color: var(--accent-green);
    text-decoration: none;
    border-bottom: 1px dashed var(--accent-green);
}

.preview-rendered a:hover {
    border-bottom-style: solid;
}

.preview-rendered ul,
.preview-rendered ol {
    padding-left: 20px;
    margin: 1em 0;
}

.preview-rendered li {
    margin: 0.5em 0;
}

.preview-rendered blockquote {
    border-left: 3px solid var(--accent-green);
    margin: 1em 0;
    padding-left: 1em;
    color: var(--text-secondary);
}

.preview-rendered code {
    background: rgba(255, 179, 0, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Consolas', monospace;
}

.preview-rendered pre code {
    display: block;
    padding: 15px;
    overflow-x: auto;
    background: rgba(0, 0, 0, 0.3);
}

/* Docker Converter Styles */
.docker-output pre {
    background: rgba(0, 0, 0, 0.3);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Consolas', monospace;
    color: var(--text-secondary);
}