@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+KR:wght@300;400;500;600;700&display=swap');

/* Base Styles & Variables */
:root {
    /* Light Theme Variables - 근로복지공단 CI Colors */
    --primary: #008b99;
    --primary-hover: #007380;
    --primary-light: #e0f2f4;
    
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --bg-overlay: rgba(255, 255, 255, 0.95);
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease;

    /* Category Colors */
    --c-inno: #2563eb; --c-inno-bg: rgba(37,99,235,0.08);
    --c-tech: #059669; --c-tech-bg: rgba(5,150,105,0.08);
    --c-pilot: #d97706; --c-pilot-bg: rgba(217,119,6,0.08);
    --c-mutual: #4f46e5; --c-mutual-bg: rgba(79,70,229,0.08);
    --c-market: #0891b2; --c-market-bg: rgba(8,145,178,0.08);
    --c-women: #7c22ab; --c-women-bg: rgba(124,34,171,0.08);
    --c-startup: #c21a1a; --c-startup-bg: rgba(194,26,26,0.08);
    --c-disabled: #b43c08; --c-disabled-bg: rgba(180,60,8,0.08);
}

[data-theme="dark"] {
    --primary: #0bc3d5; /* Slightly brighter for dark mode */
    --primary-hover: #1bd3e6;
    --primary-light: rgba(11, 195, 213, 0.15);

    --bg-main: #0f172a;
    --bg-card: #1e293b;
    --bg-overlay: rgba(15, 23, 42, 0.95);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.5);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.5);
}

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

body {
    font-family: 'Inter', 'Noto Sans KR', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    transition: background-color 0.3s, color 0.3s;
    min-height: 100vh;
}

code {
    font-family: monospace;
    background: var(--primary-light);
    color: var(--primary);
    padding: 2px 4px;
    border-radius: 4px;
    font-size: 0.9em;
}

.hidden {
    display: none !important;
}

/* Auth Overlay */
.auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 16px;
}

.auth-box {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--border-color);
}

.auth-header {
    text-align: center;
    margin-bottom: 24px;
}

.ci-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    margin-bottom: 16px;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 12px;
    margin-bottom: 16px;
}

.auth-header h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-header p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Tabs */
.auth-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.auth-tab {
    flex: 1;
    background: none;
    border: none;
    padding: 12px 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
}

.auth-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.auth-tab:hover:not(.active) {
    color: var(--text-main);
}

/* Forms */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
}

.input-group input {
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-main);
    color: var(--text-main);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.input-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.auth-options {
    display: flex;
    gap: 16px;
}

.check-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
}

.check-label input[type="checkbox"] {
    accent-color: var(--primary);
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.privacy-box {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.privacy-box .required {
    color: var(--primary);
    font-weight: 600;
}
.privacy-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
    padding-left: 24px; /* Align with checkbox */
}

.auth-btn {
    margin-top: 8px;
    background: var(--primary);
    color: white;
    border: none;
    padding: 14px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.auth-btn:hover {
    background: var(--primary-hover);
}

.auth-error {
    color: #dc2626;
    font-size: 13px;
    text-align: center;
}

[data-theme="dark"] .auth-error {
    color: #ef4444;
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.ci-logo-header {
    height: 36px;
    width: auto;
    object-fit: contain;
}

.logo h1 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.icon-btn:hover {
    background: var(--bg-main);
    color: var(--text-main);
}

/* Admin Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 16px;
}

.modal-box {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-body {
    padding: 24px;
    max-height: 70vh;
    overflow-y: auto;
}

.admin-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-section h4 {
    font-size: 15px;
    font-weight: 600;
}

.admin-desc {
    font-size: 13px;
    color: var(--text-muted);
}

.key-mgmt {
    display: flex;
    gap: 8px;
}
.key-mgmt input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-main);
    color: var(--text-main);
    outline: none;
}
.key-mgmt input:focus {
    border-color: var(--primary);
}
.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.btn-primary:hover {
    background: var(--primary-hover);
}

.current-key {
    font-size: 13px;
    background: var(--primary-light);
    color: var(--primary);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    display: inline-block;
    font-weight: 600;
}

.admin-divider {
    height: 1px;
    background: var(--border-color);
    margin: 24px 0;
}

.user-list-container {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.user-list {
    list-style: none;
    max-height: 250px;
    overflow-y: auto;
}

.user-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}
.user-list li:last-child {
    border-bottom: none;
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.user-id {
    font-weight: 600;
    font-size: 14px;
}
.user-pw {
    font-size: 12px;
    color: var(--text-muted);
}

.kick-btn {
    background: transparent;
    color: #dc2626;
    border: 1px solid rgba(220, 38, 38, 0.3);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.kick-btn:hover {
    background: #dc2626;
    color: white;
}
[data-theme="dark"] .kick-btn {
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.3);
}
[data-theme="dark"] .kick-btn:hover {
    background: #ef4444;
    color: white;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 99px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid transparent;
}

.badge.badge-inno { color: var(--c-inno); background-color: var(--c-inno-bg); border-color: rgba(37,99,235,0.18); }
.badge.badge-tech { color: var(--c-tech); background-color: var(--c-tech-bg); border-color: rgba(5,150,105,0.18); }
.badge.badge-pilot { color: var(--c-pilot); background-color: var(--c-pilot-bg); border-color: rgba(217,119,6,0.18); }
.badge.badge-mutual { color: var(--c-mutual); background-color: var(--c-mutual-bg); border-color: rgba(79,70,229,0.18); }
.badge.badge-market { color: var(--c-market); background-color: var(--c-market-bg); border-color: rgba(8,145,178,0.18); }
.badge.badge-women { color: var(--c-women); background-color: var(--c-women-bg); border-color: rgba(124,34,171,0.18); }
.badge.badge-startup { color: var(--c-startup); background-color: var(--c-startup-bg); border-color: rgba(194,26,26,0.18); }
.badge.badge-disabled { color: var(--c-disabled); background-color: var(--c-disabled-bg); border-color: rgba(180,60,8,0.18); }
.badge.badge-ulsan { color: #047857; background-color: rgba(4, 120, 87, 0.08); border-color: rgba(4, 120, 87, 0.18); }

/* Badge Text colors for expiry list */
.badge-inno-text { color: var(--c-inno); }
.badge-tech-text { color: var(--c-tech); }
.badge-pilot-text { color: var(--c-pilot); }
.badge-mutual-text { color: var(--c-mutual); }
.badge-market-text { color: var(--c-market); }
.badge-women-text { color: var(--c-women); }
.badge-startup-text { color: var(--c-startup); }
.badge-disabled-text { color: var(--c-disabled); }
.badge-ulsan-text { color: #047857; }

[data-theme="dark"] .badge {
    border-color: rgba(255,255,255,0.1);
}

/* Main Content */
.main-content {
    padding: 32px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Search Section */
.search-section {
    display: flex;
    flex-direction: column;
    gap: 24px;
    background: var(--bg-card);
    padding: 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.section-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 12px;
}

/* Filter Wrapper */
.filter-wrapper {
    display: flex;
    flex-direction: column;
}

.filter-group-scroll {
    overflow-x: auto;
    padding-bottom: 8px;
}
.filter-group-scroll::-webkit-scrollbar {
    height: 4px;
}
.filter-group-scroll::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 4px;
}

.filter-group {
    display: flex;
    gap: 8px;
    align-items: center;
    white-space: nowrap;
}

.filter-divider {
    width: 1px;
    height: 24px;
    background-color: var(--border-color);
    margin: 0 4px;
}

.filter-check {
    cursor: pointer;
}

.filter-check input {
    display: none;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    user-select: none;
}

.filter-check:hover input:not(:checked) + .filter-chip {
    border-color: #cbd5e1;
}
[data-theme="dark"] .filter-check:hover input:not(:checked) + .filter-chip {
    border-color: #475569;
}

/* Checked states for chips */
.all-check input:checked + .filter-chip { background-color: var(--text-main); color: var(--bg-card); border-color: var(--text-main); }
.filter-check input:checked + .chip-inno { background-color: var(--c-inno-bg); color: var(--c-inno); border-color: var(--c-inno); }
.filter-check input:checked + .chip-tech { background-color: var(--c-tech-bg); color: var(--c-tech); border-color: var(--c-tech); }
.filter-check input:checked + .chip-pilot { background-color: var(--c-pilot-bg); color: var(--c-pilot); border-color: var(--c-pilot); }
.filter-check input:checked + .chip-mutual { background-color: var(--c-mutual-bg); color: var(--c-mutual); border-color: var(--c-mutual); }
.filter-check input:checked + .chip-market { background-color: var(--c-market-bg); color: var(--c-market); border-color: var(--c-market); }
.filter-check input:checked + .chip-women { background-color: var(--c-women-bg); color: var(--c-women); border-color: var(--c-women); }
.filter-check input:checked + .chip-startup { background-color: var(--c-startup-bg); color: var(--c-startup); border-color: var(--c-startup); }
.filter-check input:checked + .chip-disabled { background-color: var(--c-disabled-bg); color: var(--c-disabled); border-color: var(--c-disabled); }
.filter-check input:checked + .chip-ulsan { background-color: rgba(4, 120, 87, 0.08); color: #047857; border-color: #047857; }


/* Search Grid */
.search-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.search-box-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.search-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 14px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
}

.search-box input {
    width: 100%;
    padding: 12px 40px 12px 44px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-main);
    color: var(--text-main);
    font-size: 15px;
    outline: none;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    background: var(--bg-card);
}

.clear-btn {
    position: absolute;
    right: 14px;
    background: var(--bg-card);
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px;
    border-radius: 4px;
    display: none;
    align-items: center;
    justify-content: center;
}

.clear-btn.visible {
    display: flex;
}

.clear-btn:hover {
    color: var(--text-main);
    background: var(--bg-main);
}

.input-guide {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    background: var(--bg-main);
    padding: 10px 14px;
    border-radius: var(--radius-md);
}

.guide-label {
    background: var(--text-main);
    color: var(--bg-card);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
}

/* Search History */
.search-history {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    z-index: 10;
    overflow: hidden;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-main);
}

.text-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 12px;
    cursor: pointer;
}
.text-btn:hover {
    color: var(--text-main);
    text-decoration: underline;
}

.history-list {
    list-style: none;
    max-height: 200px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
}
.history-item:last-child {
    border-bottom: none;
}
.history-item:hover {
    background: var(--bg-main);
}
.history-item-text {
    flex: 1;
    font-size: 14px;
    color: var(--text-main);
}
.history-item-del {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    padding: 0 4px;
}
.history-item-del:hover {
    color: #dc2626;
}

/* Results Section */
.results-header {
    margin-bottom: 20px;
}

.results-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.count {
    color: var(--primary);
}

.company-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

/* Company Card */
.company-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    transition: var(--transition);
}

.company-card:hover {
    box-shadow: var(--shadow-md);
    border-color: #cbd5e1;
    transform: translateY(-2px);
}
[data-theme="dark"] .company-card:hover {
    border-color: #475569;
}

.card-header {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.company-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-row {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-muted);
}

.tags-row {
    align-items: flex-start;
}

.info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    background: var(--primary-light);
    padding: 6px;
    border-radius: 6px;
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding-top: 2px;
}

.product-tag {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--text-main);
}

/* Cert Expiry Footer */
.card-footer {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px dashed var(--border-color);
}

.cert-expiry-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.cert-expiry-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.expiry-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    background: var(--bg-main);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.expiry-type {
    font-weight: 600;
}

.expiry-date {
    font-family: monospace;
    color: var(--text-main);
    font-weight: 500;
}

/* No Results */
.no-results {
    text-align: center;
    padding: 64px 20px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--border-color);
}

.no-results-icon {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.no-results h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.no-results p {
    color: var(--text-muted);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        padding: 16px;
    }
    
    .logo h1 {
        font-size: 15px;
        white-space: nowrap;
    }
    
    .search-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .search-section {
        padding: 20px;
    }
    
    .company-grid {
        grid-template-columns: 1fr;
    }
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 32px;
}

.page-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.page-btn:hover:not(.active) {
    background: var(--bg-main);
    color: var(--text-main);
}

.page-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.page-ellipses {
    color: var(--text-muted);
    padding: 0 4px;
}

/* Footer */
.app-footer {
    text-align: center;
    padding: 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-muted);
    font-size: 13px;
    margin-top: auto;
}

.easter-egg {
    cursor: default; /* hides hyperlink cursor */
    user-select: none;
}

.ai-note {
    font-size: 11px;
    opacity: 0.6;
    margin-left: 8px;
}