/* Global Styles */
:root {
    /* Light Mode (Default) */
    --bg-color: #f9fafb;
    --card-bg: #ffffff;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --accent-color: #8b5cf6;
    --accent-hover: #7c3aed;
    --success-color: #10b981;
    --border-color: rgba(0, 0, 0, 0.1);
    --nav-height: 70px;
    --nav-bg: rgba(255, 255, 255, 0.8);
    --th-bg: rgba(0, 0, 0, 0.02);
}

[data-theme="dark"] {
    /* Dark Mode */
    --bg-color: #0B0F19;
    --card-bg: #111827;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --border-color: rgba(255, 255, 255, 0.05);
    --nav-bg: rgba(11, 15, 25, 0.8);
    --th-bg: rgba(255, 255, 255, 0.02);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

/* Navbar */
.navbar {
    height: var(--nav-height);
    background-color: var(--nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    text-decoration: none;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 400;
    transition: color 0.2s;
    font-size: 0.9rem;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

/* Common Container */
.container {
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Buttons */
.btn {
    padding: 0.6rem 1.25rem;
    border-radius: 0.375rem;
    border: none;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--text-primary);
    /* Minimalist white button */
    color: var(--bg-color);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

/* Home Page Specifics */
.hero {
    text-align: center;
    padding: 6rem 0;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .hero p {
        margin-bottom: 2.5rem;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
        font-weight: 400;
    }
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: transparent;
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    text-align: left;
    transition: border-color 0.2s;
}

.feature-card:hover {
    border-color: var(--text-secondary);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
}

/* Generator Page Specifics */
.generator-wrapper {
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
}

.generator-card {
    background-color: transparent;
    padding: 2rem 0;
    border-radius: 0;
    box-shadow: none;
    border: none;
    text-align: center;
}

.uuid-display {
    background-color: var(--card-bg);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    border: 1px solid var(--border-color);
    transition: border-color 0.2s;
    cursor: pointer;
}

.uuid-display:hover {
    border-color: var(--accent-color);
}

.uuid-text {
    font-family: 'Geist Mono', 'Courier New', monospace;
    font-size: 1.25rem;
    word-break: break-all;
    color: var(--text-primary);
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Options Panel */
.options-panel {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

/* Shared Components */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background-color: var(--text-primary);
    color: var(--bg-color);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Checkbox Minimalist */
.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    user-select: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.checkbox-wrapper:hover {
    color: var(--text-primary);
}

input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 1rem;
    height: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    display: grid;
    place-content: center;
    transition: all 0.2s;
    background-color: transparent;
}

input[type="checkbox"]::before {
    content: "";
    width: 0.5rem;
    height: 0.5rem;
    transform: scale(0);
    transition: 100ms transform ease-in-out;
    background-color: var(--bg-color);
}

input[type="checkbox"]:checked {
    background-color: var(--text-primary);
    border-color: var(--text-primary);
}

input[type="checkbox"]:checked::before {
    transform: scale(1);
    box-shadow: inset 1em 1em var(--bg-color);
    /* Correct simple box */
    background-color: white;
    /* Not actually used with inset shadow trick above but okay */
}

/* Fix checkbox check  */
input[type="checkbox"]:checked {
    background-color: var(--text-primary);
}

input[type="checkbox"]:checked::before {
    background-color: var(--bg-color);
    /* The dot inside */
}


/* Table Styles - Minimalist */
.comparison-section {
    margin-top: 2rem;
    padding-bottom: 2rem;
}

.section-title {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.table-container {
    overflow-x: auto;
    background-color: transparent;
    border-radius: 0;
    border: 1px solid var(--border-color);
    /* Single light border around table */
    border-radius: 0.5rem;
    box-shadow: none;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 600px;
}

th,
td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--th-bg);
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: none;
    font-size: 0.85rem;
}

tr:hover td {
    background-color: transparent;
}

td {
    color: var(--text-primary);
    font-size: 0.95rem;
}

td code {
    background-color: var(--border-color);
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    font-family: monospace;
    font-size: 0.85em;
    color: var(--text-primary);
}

/* List Page Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.tool-card {
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1.5rem;
    transition: all 0.2s ease;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.tool-card:hover {
    border-color: var(--text-secondary);
    transform: translateY(-2px);
    box-shadow: none;
}

.tool-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.tool-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.tool-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.tool-meta {
    margin-top: auto;
    display: flex;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.badge {
    background-color: var(--border-color);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 500;
}

/* Footer */
.footer {
    background-color: var(--bg-color);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Batch Mode Styles */
.mode-switch {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.mode-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-secondary);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.batch-container {
    display: none;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.batch-textarea {
    width: 100%;
    height: 300px;
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-family: monospace;
    resize: vertical;
    margin-bottom: 1rem;
}

.batch-info {
    text-align: right;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {

    /* Responsive Container */
    .container {
        padding: 1rem;
    }

    /* Navbar Mobile Sizing */
    .navbar {
        height: auto;
        flex-direction: column;
        padding: 1rem;
        gap: 0.5rem;
    }

    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    /* Typography Adjustments */
    h1 {
        font-size: 2rem;
    }

    .hero h1 {
        font-size: 2.25rem;
        line-height: 1.2;
    }

    .section-title {
        font-size: 1.25rem;
    }

    /* Generator Card & Display */
    .generator-card {
        padding: 1rem 0;
    }

    .uuid-display {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    .uuid-text {
        font-size: 1rem;
        /* Smaller font for mobile */
        word-break: break-all;
    }

    /* Controls & Options Stacking */
    .options-panel {
        flex-direction: column;
        align-items: center;
        /* Center align options */
        gap: 1rem;
    }

    .checkbox-wrapper {
        font-size: 0.95rem;
        padding: 0.5rem;
        /* Larger touch target */
    }

    /* Features Grid to Single Column */
    .features,
    .tools-grid {
        grid-template-columns: 1fr;
        /* Force single column */
    }

    /* Table Adjustments */
    .table-container {
        border: 0;
        box-shadow: none;
        overflow-x: auto;
        /* Allow horizontal scroll */
        -webkit-overflow-scrolling: touch;
    }

    th,
    td {
        padding: 0.75rem 0.5rem;
        font-size: 0.85rem;
        white-space: nowrap;
        /* Prevent wrapping in cells */
    }

    /* Footer Stack */
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .footer-links {
        justify-content: center;
        flex-wrap: wrap;
    }

    /* Batch Mode Mobile */
    .batch-textarea {
        height: 200px;
    }

    /* Override inline styles for batch controls */
    .batch-controls {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.75rem !important;
    }

    .batch-controls label {
        margin-bottom: 0.25rem;
    }

    .batch-controls input {
        width: 100% !important;
        text-align: center;
        padding: 0.5rem !important;
        /* Larger touch target */
    }
}

@media (max-width: 480px) {

    /* Very Small Screens */
    .nav-brand {
        font-size: 1.5rem;
        margin-bottom: 0.5rem;
    }

    .nav-links {
        width: 100%;
        justify-content: space-around;
        /* Distribute links */
    }

    .btn {
        width: 100%;
        justify-content: center;
        padding: 0.75rem;
        /* Larger touch target */
    }

    .hero {
        padding: 2rem 0;
    }

    .feature-card {
        padding: 1rem;
    }
}