/* Base Light Mode Variables */
:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --card-bg: #ffffff;
    --header-bg: #f8f9fa;
    --border-color: #dddddd;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --link-color: #3b6eea;
    --hover-bg: #f0f0f0;
    --input-bg: #f7f8fa;
    --footer-bg: #ffffff;
    --footer-text: #666666;
    --footer-link: #444444;
    --footer-link-hover: #3b6eea;
    --go-to-top-bg: #f7f8fa;
    --go-to-top-text: #444444;
    --go-to-top-hover-bg: #eef0f5;
    --ad-container-bg: #f5f5f5;
    --kanban-bg: #f9fafb;
    --kanban-border: #ececec;
    --kanban-shadow: rgba(0,0,0,0.06);
    --kanban-hover-shadow: rgba(0,0,0,0.10);
    --kanban-hover-border: #b6b9c2;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --card-bg: #2d2d2d;
    --header-bg: #2d2d2d;
    --border-color: #404040;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --link-color: #6b8cff;
    --hover-bg: #3d3d3d;
    --input-bg: #3d3d3d;
    --footer-bg: #2d2d2d;
    --footer-text: #cccccc;
    --footer-link: #cccccc;
    --footer-link-hover: #6b8cff;
    --go-to-top-bg: #3d3d3d;
    --go-to-top-text: #ffffff;
    --go-to-top-hover-bg: #4d4d4d;
    --ad-container-bg: #2d2d2d;
    --kanban-bg: #2d2d2d;
    --kanban-border: #404040;
    --kanban-shadow: rgba(0,0,0,0.2);
    --kanban-hover-shadow: rgba(0,0,0,0.3);
    --kanban-hover-border: #505050;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

/* Header Top Style */
.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: var(--header-bg);
    width: 100%;
    box-sizing: border-box;
    position: relative;
}

.site-logo {
    max-height: 50px;
    height: auto;
    display: block;
}

.header-subtitle {
    font-size: 1.2em;
    color: var(--text-color);
}

.theme-toggle {
    position: absolute;
    right: 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    font-size: 0.9em;
    padding: 8px 16px;
    border-radius: 5px;
    transition: all 0.3s ease;
    margin-right: 20px;
}

.theme-toggle:hover {
    background-color: var(--hover-bg);
    transform: translateY(-1px);
}

/* Existing Style Modifications */
header {
    background-color: var(--header-bg);
    color: var(--text-color);
    padding: 2.5rem 1rem 1.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 8px var(--shadow-color);
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

header h1 {
    color: var(--text-color);
    text-align: center;
    align-self: center;
    margin-bottom: 1.5rem;
}

.site-title-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.site-title-container h1 {
    margin-bottom: 0;
    margin-top: 0;
    margin-left: 0.25em;
    margin-right: 0;
}

.site-logo {
    max-height: 50px;
    height: auto;
    display: block;
}

.controls {
    display: flex;
    gap: 1.1rem 2.2rem;
    justify-content: center;
    width: 100%;
    max-width: 1100px;
}

.control-row {
    display: flex;
    gap: 1.1rem 2.2rem;
    justify-content: flex-start;
    align-items: flex-start;
}

.control-group {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex: 1 1 220px;
    min-width: 120px;
    max-width: 260px;
    margin-bottom: 0.2em;
}

/* Style for the page toggle control group */
.control-group.page-toggle {
    flex: 0 0 auto;
    min-width: auto;
    max-width: none;
    margin-bottom: 0.2em;
    display: flex;
    align-items: flex-start;
    padding-bottom: 0;
    margin-right: 1.1rem;
    align-self: flex-start;
}

/* Hide Sort Control */
.control-group.sort-control {
    display: none;
}

.control-group label {
    font-size: 1.13rem;
    font-weight: 600;
    margin-bottom: 0.3em;
    display: block;
    color: var(--text-color);
}

.control-group input,
.control-group select {
    width: 100%;
    box-sizing: border-box;
    font-size: 1.09rem;
    padding: 0.7rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--input-bg);
    transition: border 0.2s;
    color: var(--text-color);
}

.controls input:focus, .controls select:focus {
    border: 1.5px solid #a3a7b3;
    outline: none;
}

/* Header Bottom Links Container */
/* REMOVED: .header-bottom-links style was here */

/* Page Toggle Button Style */
.page-toggle-button {
    display: inline-block;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    font-size: 0.9em;
    padding: 8px 16px;
    border-radius: 5px;
    transition: all 0.3s ease;
    text-decoration: none !important;
    font-weight: normal;
    line-height: normal;
    box-sizing: border-box;
    text-align: center;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-toggle-button:hover {
    background-color: var(--hover-bg);
    transform: translateY(-1px);
    color: var(--text-color);
    text-decoration: none !important;
}

#kanban-board {
    display: flex;
    flex-wrap: wrap;
    gap: 1.1rem;
    padding: 2.5rem 1.5rem;
    max-width: 1800px;
    margin: 0 auto;
    box-sizing: border-box;
    justify-content: center;
    background-color: var(--bg-color);
}

.kanban-column {
    background: var(--kanban-bg);
    border-radius: 18px;
    min-width: 340px;
    flex: 0 1 370px;
    box-shadow: 0 2px 12px var(--kanban-shadow);
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
    border: 1.5px solid var(--kanban-border);
    transition: box-shadow 0.2s, border 0.2s;
}

.kanban-column h2 {
    margin: 0;
    padding: 1.3rem 1.3rem 0.7rem 1.3rem;
    background: transparent;
    border-radius: 18px 18px 0 0;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-color);
    border-bottom: 1px solid var(--kanban-border);
    letter-spacing: 0.5px;
}

.kanban-cards {
    padding: 1.2rem 1.3rem 1.3rem 1.3rem;
    flex: unset;
    overflow-y: unset;
    background-color: var(--kanban-bg);
}

.kanban-card {
    background: var(--card-bg);
    border-radius: 14px;
    margin-bottom: 1.3rem;
    padding: 1.2rem 1.1rem 1.1rem 1.1rem;
    box-shadow: 0 2px 8px var(--shadow-color);
    border: 1.2px solid var(--kanban-border);
    transition: box-shadow 0.18s, border 0.18s;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.kanban-card:last-child {
    margin-bottom: 0;
}

.kanban-card:hover {
    box-shadow: 0 6px 24px var(--kanban-hover-shadow);
    border: 1.5px solid var(--kanban-hover-border);
}

.kanban-card .service-name {
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 0.1rem;
    color: var(--text-color);
    letter-spacing: 0.2px;
}

.kanban-card .provider,
.kanban-card .ai-tech,
.kanban-card .app-area,
.kanban-card .platform,
.kanban-card .access {
    font-size: 0.9em;
    color: var(--text-color);
    margin-bottom: 0.5em;
}

.kanban-card .desc {
    font-size: 0.9em;
    color: var(--text-color);
    margin-bottom: 0.8em;
    line-height: 1.5;
}

.kanban-card b {
    color: var(--text-color);
    opacity: 0.7;
    font-weight: 500;
    min-width: 5.5em;
    display: inline-block;
}

.kanban-card .url {
    font-size: 0.97rem;
    word-break: break-all;
    margin-top: 0.2rem;
    font-weight: 500;
    color: var(--text-color);
    text-decoration: none;
}

.kanban-card a.url {
    color: var(--link-color);
    text-decoration: underline;
    cursor: pointer;
}

@media (max-width: 1600px) {
    .kanban-column {
        flex: 0 1 370px;
        min-width: 340px;
    }
}

@media (max-width: 1400px) {
    .kanban-column {
        flex: 0 1 370px;
        min-width: 340px;
    }
}

@media (max-width: 1300px) {
    .controls {
        flex-direction: column;
        gap: 1.1rem 0;
        align-items: flex-start;
        padding: 0 15px;
    }
    .control-row {
        width: 100%;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 1.1rem;
        flex-wrap: wrap;
    }
    .control-group {
        flex: 1 1 100%;
        min-width: 120px;
        max-width: 260px;
        width: 100%;
    }
    
    .control-group.page-toggle {
        flex: 0 0 auto;
        min-width: auto;
        max-width: none;
        margin-bottom: 0.5em;
        display: flex;
        align-items: flex-start;
        padding-bottom: 0;
        margin-right: 0;
        align-self: flex-start;
    }

    .control-row .control-group:first-child:not(.page-toggle) {
        margin-top: 0;
    }

    .control-row .control-group.page-toggle + .control-group {
        margin-top: 0;
    }

    header {
        align-items: center;
        text-align: center;
    }
    header h1 {
        align-self: center;
        text-align: center;
    }

    .site-title-container {
        justify-content: center;
        align-self: center;
    }
}

@media (max-width: 1000px) {
    .kanban-column {
        flex: 0 1 370px;
        min-width: 340px;
    }
}

@media (max-width: 800px) {
    .kanban-column {
        flex: 0 1 100%;
        min-width: 0;
    }
}

@media (max-width: 700px) {
    .control-row {
        flex-direction: column;
        gap: 0.7rem 0;
        align-items: flex-start;
    }
    .control-group {
        flex: 1 1 100%;
        min-width: 120px;
        max-width: 260px;
        width: 100%;
    }
    
    .control-group.page-toggle {
        margin-bottom: 0.5em;
        align-items: flex-start;
        padding-bottom: 0;
        margin-right: 0;
        align-self: flex-start;
    }

    .control-row .control-group.page-toggle + .control-group {
        margin-top: 0;
    }

    header {
        align-items: center;
        text-align: center;
    }
    header h1 {
        align-self: center;
        text-align: center;
    }

    .site-title-container {
        justify-content: center;
        align-self: center;
    }
}

@media (max-width: 600px) {
    .controls {
        flex-direction: column;
        gap: 0.7rem 0;
        align-items: flex-start;
        padding: 0 15px;
    }
    .control-group {
        flex: 1 1 100%;
        min-width: 0;
        max-width: 260px;
        width: 100%;
    }
    header {
        align-items: center;
        text-align: center;
    }
    header h1 {
        align-self: center;
        text-align: center;
    }
    
    .control-group.page-toggle {
        margin-bottom: 0.5em;
        align-items: flex-start;
        padding-bottom: 0;
        margin-right: 0;
        align-self: flex-start;
    }
    .control-row .control-group.page-toggle + .control-group {
        margin-top: 0;
    }

    .site-title-container {
        justify-content: center;
        align-self: center;
    }
}

/* Ad Containers */
.ad-container {
    width: 100%;
    min-height: 100px;
    margin: 20px 0;
    background-color: var(--ad-container-bg);
    border: 1px dashed var(--border-color);
    display: flex;
    justify-content: center;
    align-items: center;
}

.header-ad {
    margin-bottom: 20px;
}

.top-content-ad {
    margin-bottom: 30px;
}

.column-ad {
    width: 100%;
    margin: 20px 0;
}

.card-ad {
    margin: 15px 0;
}

/* Footer */
footer {
    width: 100%;
    background-color: var(--footer-bg);
    border-top: 1px solid var(--border-color);
    padding: 2rem 1rem;
    margin-top: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--footer-link);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

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

.copyright p {
    margin: 0.3rem 0;
}

.copyright a {
    color: #3b6eea;
    text-decoration: none;
}

.copyright a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .footer-links {
        gap: 1rem;
    }
    
    .footer-links a {
        font-size: 0.9rem;
    }
    
    .copyright {
        font-size: 0.85rem;
    }
}

/* Navigation Links */
.go-to-main-container {
    text-align: right;
    margin-bottom: 2rem;
}

.go-to-main-link {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background: #f7f8fa;
    color: #444;
    text-decoration: none;
    border-radius: 8px;
    border: 1px solid #ececec;
    transition: all 0.2s;
}

.go-to-main-link:hover {
    background: #eef0f5;
    color: #3b6eea;
    border-color: #d3d6db;
}

.go-to-top {
    text-align: center;
    margin: 2rem 0;
}

.go-to-top-link {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: var(--go-to-top-bg);
    color: var(--go-to-top-text);
    text-decoration: none;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.go-to-top-link:hover {
    background-color: var(--go-to-top-hover-bg);
    color: var(--link-color);
}

@media (max-width: 600px) {
    .go-to-main-container {
        text-align: center;
        margin-bottom: 1.5rem;
    }
    
    .go-to-main-link,
    .go-to-top-link {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}

/* 반응형 스타일 */
@media (max-width: 768px) {
    .ad-container {
        margin: 15px 0;
    }
    
    .header-ad {
        margin-bottom: 15px;
    }
    
    .top-content-ad {
        margin-bottom: 20px;
    }
    
    .column-ad {
        margin: 15px 0;
    }
    
    .card-ad {
        margin: 10px 0;
    }
}

/* Link Styles */
a {
    color: var(--link-color);
    text-decoration: underline;
}

a:hover {
    color: var(--link-color);
    opacity: 0.8;
    text-decoration: underline;
}

/* List View Styles (list.html) */
#list-view {
    max-width: 1200px; /* Allow more width for two columns */
    margin: 20px auto;
    padding: 0 15px;
    background-color: var(--bg-color);
    display: flex; /* Enable flexbox for columns */
    flex-wrap: wrap; /* Allow wrapping if screen is too small */
    gap: 20px; /* Space between columns */
    justify-content: center; /* Center the flex items */
}

.list-area-section {
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    background-color: var(--card-bg);
    box-shadow: 0 1px 5px var(--shadow-color);
    flex: 1 1 45%; /* Allow sections to take about half the width */
    min-width: 300px; /* Prevent columns from getting too narrow */
}

.list-area-section h2 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.3em;
    color: var(--text-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.list-area-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-list-item {
    padding: 10px 0;
    border-bottom: 1px dashed var(--border-color);
    cursor: pointer;
    color: var(--link-color);
    transition: color 0.2s, background-color 0.2s;
}

.service-list-item:last-child {
    border-bottom: none;
}

.service-list-item:hover {
    color: var(--link-color);
    text-decoration: underline;
    background-color: var(--hover-bg);
}

/* Popup Styles */
.popup-container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    overflow-y: auto; /* Enable scrolling if content is long */
}

.popup-content {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 10px;
    max-width: 600px; /* Adjust width as needed */
    width: 90%;
    box-shadow: 0 4px 15px var(--shadow-color);
    position: relative;
    margin: 20px; /* Add margin for small screens */
    box-sizing: border-box;
}

.popup-content h3 {
    margin-top: 0;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.popup-content p {
    margin-bottom: 10px;
    color: var(--text-color);
    line-height: 1.5;
}

.popup-content p b {
    color: var(--text-color);
}

.popup-content a {
    color: var(--link-color);
    text-decoration: none;
}

.popup-content a:hover {
    text-decoration: underline;
}

.close-button {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: var(--text-color);
}

.close-button:hover {
    color: #ff0000; /* Red color on hover */
}

/* Bottom Navigation Button */
/* REMOVED: .bottom-nav style was here */

/* REMOVED: .header-bottom-links style was here */