:root {
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    /* --accent: #0d6efd; */
    --accent: #0288d1;
    /* --accent-hover: #0b5ed7; */
    --accent-hover: #01579b;
    --border: #dee2e6;
    --shadow: rgba(0, 0, 0, 0.1);
    --input-bg: #fff;
    --header-bg: #ffffff;
    --footer-bg: #f8f9fa;
    --color-success: #4caf50;
    --color-error: #cf6679;
}

[data-theme="dark"] {
    /* --bg-primary: #121212;
  --bg-secondary: #1e1e1e; */
    --bg-primary: #1e1e2f;
    --bg-secondary: #2a3144;
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    /* --accent: #0d6efd; */
    --accent: #0288d1;
    /* --accent-hover: #3d8bfd; */
    --accent-hover: #01579b;
    --border: #2d3236;
    /* --shadow: rgba(255, 255, 255, 0.05); */
    --input-bg: #2d3236;
    /* --header-bg: #1e1e1e;
  --footer-bg: #121212; */
    --header-bg: #2a3144;
    --footer-bg: #2a3144;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s, color 0.3s, border 0.3s;
}

body {
    /* font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif; */
    font-family: "Inconsolata", monospace;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
header {
    background-color: var(--header-bg);
    padding: 1rem 2rem;
    box-shadow: 0 2px 4px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent);
    text-decoration: none;
}

#logo {
    border-radius: 0.25rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    border-bottom: 2px solid var(--accent);
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 1.2rem;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Main Content */
main {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

h1 {
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-primary);
}

span {
    color: var(--text-primary);
}

a {
    color: inherit;
    display: inline;
}

.margin-top {
    margin-top: 1.5rem;
}

.margin-bottom {
    margin-bottom: 1.5rem;
}

.centered-text {
    text-align: center;
}

.data-gen-result {
    text-align: center;
    min-height: 4rem;
}

.result-box {
    background-color: var(--bg-primary);
    margin-top: 2rem;
    padding: 10px;
    text-align: center;
    border-left: solid 20px var(--color-success);
    border-radius: 5px;
    display: inline-block;
    min-width: 150px;
    width: 100%;
}

.result-box.error {
    background-color: var(--bg-primary);
    border-left: solid 20px var(--color-error);
}

/* Snackbar */
.snackbar {
    visibility: hidden;
    min-width: 250px;
    background-color: var(--color-success);
    /* color: #fff; */
    text-align: center;
    padding: 12px;
    position: fixed;
    bottom: 20px;
    right: 20px;
    border-radius: 8px;
    opacity: 0;
    transition: opacity 0.5s, visibility 0.5s;
}

.snackbar.show {
    visibility: visible;
    opacity: 1;
}

/* Card Grids */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.card {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    box-shadow: 0 4px 6px var(--shadow);
    padding: 1.5rem;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.card-header {
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    flex-grow: 1;
}

.card-link {
    display: block;
    text-decoration: none;
    height: 100%;
    color: inherit;
    transition: transform 0.2s;
}

.card-link:hover {
    transform: translateY(-5px);
}

.btn {
    padding: 0.5rem 1rem;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s;
}

.btn:hover {
    background-color: var(--accent-hover);
}

/* Center card layout */
.center-card-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.center-card {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    box-shadow: 0 4px 10px var(--shadow);
    padding: 2rem;
    border: 1px solid var(--border);
    width: 100%;
    max-width: 500px;
}

.center-card-large {
    background-color: var(--bg-secondary);
    border-radius: 8px;
    box-shadow: 0 4px 10px var(--shadow);
    padding: 2rem;
    border: 1px solid var(--border);
    width: 100%;
    max-width: 80vw;
}

/* Form Elements */
/* .form-group {
  margin-bottom: 1.5rem;
} */

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    /* background-color: var(--input-bg); */
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%236c757d' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.5rem;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.sub-header {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.subtext {
    color: var(--text-secondary);
    margin-top: -1.3rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

/* Hex color page */
#colorSample {
    width: 100px;
    height: 100px;
    border: 1px solid #000;
    margin-top: 10px;
    background-color: #0d6efd;
}

#historyContainer {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.historyItem {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 70px;
    padding: 0.5rem;
    border: 1px solid var(--bg-primary);
    border-radius: 0.5rem;
    font-size: 12px;
    text-align: center;
    background-color: var(--bg-primary);
}

.historyColorBox {
    width: 100%;
    height: 40px;
    margin-bottom: 5px;
    border: 1px solid #ccc;
}

/* Footer */
footer {
    background-color: var(--footer-bg);
    padding: 1.5rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 1rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }

    nav {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        width: 100%;
        justify-content: space-between;
    }
}

/* Add this to ensure page content is visible if js isn't working */
#page1,
#page2,
#page3,
#page4 {
    display: none;
}

#page1.active,
#page2.active,
#page3.active,
#page4.active {
    display: block;
}

/* Animation for page transitions */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

/* Excel to JSON */
.drop-area {
    border: 2px dashed #007acc;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    color: #007acc;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-bottom: 1rem;
    user-select: none;
    position: static;
    float: left;
    width: 100%;
}

.drop-area.dragover {
    background-color: #e6f2fc;
}

input[type="file"] {
    display: none; /* Fully hidden input now */
}

.options {
    margin-bottom: 1rem;
    position: relative;
    width: 100%;
    position: static;
    float: right;
}

.options label {
    display: block;
    margin-bottom: 0.5rem;
}

/* Colors */

#color-wheel {
    cursor: crosshair;
    border-radius: 50%;
    display: block;
    margin: 0 auto;
}

#info {
    margin-top: 1.5rem;
    text-align: center;
}

.color-display {
    width: 100%;
    max-width: 300px;
    height: 150px;
    margin: 1rem auto;
    border-radius: 1rem;
    border: 2px solid #ccc;
}

.color-sample {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: inline-block;
    margin: 0 10px;
    border: 2px solid #ccc;
}

.code {
    margin: 0.5rem 0;
}

input.color-code {
    font-family: "Inconsolata", monospace;
    padding: 0.3rem;
    width: 200px;
    min-width: fit-content;
    border-radius: 5px;
    border: 1px solid #aaa;
}

.copy {
    padding: 0.25rem;
}

.color-type {
    font-family: "Inconsolata", monospace;
    font-size: 1rem;
}

/* End of Colors */

/* Search Bar Styles */
.card-link.hidden {
  display: none !important;
}

.card-link.visible {
  display: block !important;
}

/* Search container */
.search-container {
  max-width: 500px;
  margin: 0 auto 2rem auto;
}

.search-container .form-control {
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border-radius: 25px;
  border: 2px solid var(--border);
}

.no-results {
  text-align: center;
  color: var(--text-secondary);
  padding: 2rem;
  grid-column: 1 / -1;
}