/* Smart JSON Formatter Custom CSS */

:root {
    --bg-dark: #0a0e17;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-input: rgba(3, 7, 18, 0.6);
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --primary: #8b5cf6;
    --primary-hover: #7c3aed;
    --primary-glow: rgba(139, 92, 246, 0.4);
    --cyan: #06b6d4;
    --cyan-glow: rgba(6, 182, 212, 0.4);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(139, 92, 246, 0.5);
    --error: #ef4444;
    --success: #10b981;
    --border-radius: 12px;
    --font-sans: 'Outfit', sans-serif;
    --font-mono: 'Fira Code', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Background Blur Blobs */
.blur-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -1;
    opacity: 0.15;
    pointer-events: none;
}

.bg-purple {
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    top: -200px;
    left: -200px;
}

.bg-cyan {
    background: radial-gradient(circle, var(--cyan) 0%, transparent 70%);
    bottom: -200px;
    right: -200px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header & Navbar */
header {
    background: rgba(10, 14, 23, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    width: 32px;
    height: 32px;
}

.brand-name {
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.github-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.25s ease;
    background: rgba(255, 255, 255, 0.02);
}

.github-link:hover {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
}

/* Hero Section */
.hero {
    padding: 90px 0 60px 0;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 30%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #6d28d9 100%);
    color: #ffffff;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(139, 92, 246, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    padding: 40px 0 80px 0;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 300;
}

/* Playground Section */
.playground-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 40px;
    margin-bottom: 80px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.section-header {
    text-align: center;
    margin-bottom: 36px;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.section-header p {
    color: var(--text-muted);
}

/* Controls Panel */
.controls-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 32px;
    align-items: center;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-group label {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.control-group select {
    background: var(--bg-input);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    font-size: 0.95rem;
    outline: none;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: all 0.25s ease;
}

.control-group select:focus {
    border-color: var(--primary);
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

input[type="range"]:focus {
    outline: none;
}

input[type="range"]::-webkit-slider-runnable-track {
    width: 100%;
    height: 6px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

input[type="range"]::-webkit-slider-thumb {
    height: 18px;
    width: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    -webkit-appearance: none;
    margin-top: -6px;
    box-shadow: 0 0 8px var(--primary-glow);
    transition: background 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    background: #a78bfa;
}

.control-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    font-size: 0.95rem;
}

.checkbox-container input {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

.template-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.btn-template {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 16px;
    color: var(--text-main);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 500;
    transition: all 0.2s ease;
    flex-grow: 1;
    text-align: center;
}

.btn-template:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.3);
    color: #ffffff;
}

/* Editor Workspace */
.editor-workspace {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .editor-workspace {
        grid-template-columns: 1fr;
    }
}

.editor-pane {
    display: flex;
    flex-direction: column;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    background: var(--bg-input);
}

.pane-header {
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 20px;
    display: flex;
    justify-content: flex-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    min-height: 48px;
}

.pane-header span:first-child {
    flex-grow: 1;
}

.badge {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-copy {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-main);
    padding: 4px 12px;
    cursor: pointer;
    font-size: 0.78rem;
    font-family: var(--font-sans);
    transition: all 0.2s;
    font-weight: 500;
}

.btn-copy:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
}

#json-input {
    width: 100%;
    height: 400px;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    padding: 20px;
    outline: none;
    resize: vertical;
    line-height: 1.5;
}

.code-output-container {
    height: 400px;
    overflow: auto;
    padding: 20px;
    position: relative;
}

#json-output {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--cyan);
}

.diagnostics-bar {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    border-left: 3px solid var(--primary);
}

.diagnostics-bar.error-state {
    border-left-color: var(--error);
    color: #fca5a5;
    background: rgba(239, 68, 68, 0.05);
}

.diagnostics-bar.success-state {
    border-left-color: var(--success);
    color: #a7f3d0;
}

/* Install Guide Section */
.guide {
    margin-bottom: 100px;
}

.guide h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 48px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.step-num {
    position: absolute;
    top: -16px;
    left: 32px;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--cyan) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 4px 10px var(--primary-glow);
}

.step-card h4 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    margin-top: 8px;
    font-weight: 600;
}

.step-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 16px;
    font-weight: 300;
}

.cli-snippet {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    overflow-x: auto;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.cli-snippet code {
    color: #e5e7eb;
}

/* Footer */
footer {
    background: rgba(10, 14, 23, 0.95);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

@media (max-width: 576px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}