/* ===========================
   전역 변수 및 리셋
   =========================== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-light);
}

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===========================
   컨테이너
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===========================
   헤더 네비게이션
   =========================== */
.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo h1 span {
    font-size: 0.9rem;
    font-weight: 400;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.3s;
    padding: 0.5rem 0;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.nav-menu .admin-link {
    color: var(--primary-color);
    font-weight: 600;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* ===========================
   히어로 섹션
   =========================== */
.hero {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===========================
   버튼
   =========================== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* ===========================
   섹션 공통
   =========================== */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ===========================
   회사소개
   =========================== */
.about {
    background-color: var(--bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.about-card {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    transition: all 0.3s;
    background-color: var(--bg-light);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.about-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), #7c3aed);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.about-card p {
    color: var(--text-secondary);
}

/* ===========================
   서비스
   =========================== */
.services {
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.service-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s;
}

.service-link:hover {
    gap: 0.75rem;
}

/* ===========================
   문의 섹션
   =========================== */
.contact {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.contact-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-details {
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.contact-item i {
    font-size: 1.5rem;
}

.contact-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ===========================
   푸터
   =========================== */
.footer {
    background-color: #1e293b;
    color: #cbd5e1;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    color: white;
    margin-bottom: 1rem;
}

.footer-info p {
    margin-bottom: 0.5rem;
}

.footer-links h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
}

/* ===========================
   페이지 헤더
   =========================== */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ===========================
   반응형 (모바일)
   =========================== */
/* ===========================
   견적 폼
   =========================== */
.quote-form-section {
    background-color: var(--bg-light);
}

.quote-form-wrapper {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 3rem;
    max-width: 1100px;
    margin: 0 auto;
}

.form-info {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    height: fit-content;
    position: sticky;
    top: 100px;
}

.form-info h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.info-list {
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.info-item i {
    color: var(--success-color);
    font-size: 1.2rem;
}

.contact-box {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.contact-box h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-box p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.sw-categories {
    margin: 2rem 0;
}

.sw-categories h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.sw-categories ul li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-container {
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.quote-form .form-group {
    margin-bottom: 1.5rem;
}

.quote-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.required {
    color: var(--error-color);
}

.quote-form input,
.quote-form select,
.quote-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s;
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.radio-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.radio-label input {
    width: auto;
}

.form-notice {
    background-color: #dbeafe;
    border-left: 4px solid var(--primary-color);
    padding: 1rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    display: flex;
    gap: 1rem;
}

.form-notice i {
    color: var(--primary-color);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.form-notice p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.form-notice p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* PC 항목 리스트 */
.pc-items-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

.pc-item {
    display: grid;
    grid-template-columns: 2fr 1fr auto;
    gap: 0.75rem;
    align-items: start;
    padding: 1rem;
    background-color: var(--bg-light);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    position: relative;
}

.pc-item select,
.pc-item input {
    margin-top: 0;
}

.pc-item label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.remove-pc-item {
    background-color: var(--error-color);
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    margin-top: 1.5rem;
}

.remove-pc-item:hover {
    background-color: #dc2626;
    transform: scale(1.05);
}

.pc-item-number {
    position: absolute;
    top: -8px;
    left: 10px;
    background-color: var(--primary-color);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

@media (max-width: 768px) {
    .pc-item {
        grid-template-columns: 1fr;
    }
    
    .remove-pc-item {
        margin-top: 0;
        width: 100%;
    }
}

/* ===========================
   제품 페이지
   =========================== */
.products-section {
    background-color: var(--bg-white);
}

.products-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.products-intro h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.product-card {
    background-color: var(--bg-light);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.product-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), #7c3aed);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.product-card h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
}

.product-body {
    flex-grow: 1;
}

.product-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

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

.product-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.product-features i {
    color: var(--success-color);
}

.product-footer {
    margin-top: auto;
}

.custom-development {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px;
    padding: 3rem;
    margin-top: 3rem;
}

.custom-dev-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.custom-dev-icon {
    font-size: 4rem;
    opacity: 0.9;
}

.custom-dev-text {
    flex-grow: 1;
}

.custom-dev-text h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.process-section {
    background-color: var(--bg-light);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), #7c3aed);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.process-step h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.process-step p {
    color: var(--text-secondary);
}

/* ===========================
   모달
   =========================== */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s;
    box-shadow: var(--shadow-xl);
}

.modal-large {
    max-width: 800px;
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.modal-icon {
    text-align: center;
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.modal-icon.success {
    color: var(--success-color);
}

.modal-icon.error {
    color: var(--error-color);
}

.modal-content h2 {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.modal-content p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ===========================
   관리자 로그인
   =========================== */
.admin-body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.admin-login-container {
    width: 100%;
    max-width: 450px;
}

.login-box {
    background-color: white;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.login-header {
    text-align: center;
    padding: 3rem 2rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), #7c3aed);
    color: white;
}

.login-logo {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.5rem;
}

.login-header h1 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    opacity: 0.9;
}

.login-form {
    padding: 2rem;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.login-form input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

.error-message {
    background-color: #fee2e2;
    border-left: 4px solid var(--error-color);
    color: #991b1b;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.login-footer {
    text-align: center;
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border-color);
}

.login-footer a {
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.login-info {
    background-color: var(--bg-light);
    padding: 1.5rem 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.login-notice {
    margin-top: 1rem;
    font-size: 0.85rem;
    line-height: 1.6;
}

/* ===========================
   관리자 대시보드
   =========================== */
.admin-header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.admin-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.admin-nav {
    display: flex;
    gap: 0.5rem;
}

.admin-nav a {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    color: var(--text-secondary);
    font-weight: 600;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-nav a:hover {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

.admin-nav a.active {
    background-color: var(--primary-color);
    color: white;
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--primary-color);
}

.admin-logo i {
    font-size: 1.8rem;
}

.admin-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.dashboard-container {
    padding-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background-color: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.stat-icon {
    width: 70px;
    height: 70px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.stat-icon.pc {
    background: linear-gradient(135deg, #3b82f6, #1e40af);
}

.stat-icon.sw {
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
}

.stat-icon.pending {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.stat-icon.total {
    background: linear-gradient(135deg, #10b981, #059669);
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-content p {
    color: var(--text-secondary);
}

.tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.tab-button {
    padding: 1rem 2rem;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-button:hover {
    color: var(--primary-color);
}

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

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.controls-right {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.filter-select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
}

.table-container {
    background-color: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
    margin-bottom: 2rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: var(--bg-light);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.data-table td {
    color: var(--text-secondary);
}

.data-table tbody tr:hover {
    background-color: var(--bg-light);
}

.data-table .loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-대기 {
    background-color: #dbeafe;
    color: #1e40af;
}

.status-검토중 {
    background-color: #fef3c7;
    color: #92400e;
}

.status-견적발송 {
    background-color: #d1fae5;
    color: #065f46;
}

.status-계약완료 {
    background-color: #e0e7ff;
    color: #3730a3;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: white;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-icon:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.pagination button {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.pagination button:hover:not(:disabled) {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination button.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.detail-grid {
    display: grid;
    gap: 1rem;
}

.detail-item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-light);
    border-radius: 8px;
}

.detail-label {
    font-weight: 600;
    color: var(--text-primary);
}

.detail-value {
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

/* ===========================
   반응형 (모바일)
   =========================== */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: var(--bg-white);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        box-shadow: var(--shadow-lg);
        transition: left 0.3s;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 1rem 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .contact-content {
        flex-direction: column;
        text-align: center;
    }

    .contact-actions {
        justify-content: center;
    }

    .quote-form-wrapper {
        grid-template-columns: 1fr;
    }

    .form-info {
        position: static;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .custom-dev-content {
        text-align: center;
        flex-direction: column;
    }

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

    .table-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .controls-right {
        flex-direction: column;
    }

    .detail-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .detail-row {
        grid-template-columns: 1fr;
    }
}

/* ===========================
   포트폴리오
   =========================== */
.portfolio-section {
    background-color: var(--bg-white);
    min-height: 60vh;
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

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

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

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.portfolio-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s;
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    position: relative;
    width: 100%;
    height: 240px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(37, 99, 235, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay i {
    font-size: 3rem;
    color: white;
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-date {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.portfolio-date i {
    margin-right: 0.5rem;
}

.portfolio-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.portfolio-client {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}

.portfolio-client i {
    margin-right: 0.5rem;
}

.portfolio-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.loading-spinner {
    text-align: center;
    padding: 4rem;
    color: var(--text-secondary);
}

.loading-spinner i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.portfolio-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.portfolio-gallery img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s;
}

.portfolio-gallery img:hover {
    transform: scale(1.05);
}

.portfolio-detail-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.detail-row {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-light);
    border-radius: 8px;
}

.detail-row.full-width {
    grid-template-columns: 150px 1fr;
}

.detail-label {
    font-weight: 600;
    color: var(--text-primary);
}

.detail-label i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.detail-value {
    color: var(--text-secondary);
    line-height: 1.6;
}

.text-success {
    color: var(--success-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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