/**
 * DSA Recruitment System - Common CSS
 * 기업과 사용자 페이지에서 공통으로 사용하는 스타일 정의
 */

/* ====== CSS Variables ====== */
:root {
    /* DSA Primary Colors */
    --dsa-primary: #8B1538;
    --dsa-primary-light: #A63E5C;
    --dsa-primary-dark: #6B0E2A;
    --dsa-accent: #C5546A;
    --dsa-bg-light: #FDF2F4;
    --dsa-bg-medium: #F8E6EA;
    
    /* Company Theme Colors */
    --company-primary: #059669;
    --company-primary-light: #10b981;
    --company-primary-dark: #047857;
    --company-secondary: #667eea;
    --company-secondary-dark: #764ba2;
    
    /* User Theme Colors */
    --user-primary: #3b82f6;
    --user-primary-light: #60a5fa;
    --user-primary-dark: #1e40af;
    
    /* Status Colors */
    --status-active: #dcfce7;
    --status-active-text: #166534;
    --status-closed: #fee2e2;
    --status-closed-text: #991b1b;
    --status-draft: #fef3c7;
    --status-draft-text: #92400e;
    --status-pending: #dbeafe;
    --status-pending-text: #1e40af;
    
    /* Gray Scale */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Common Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.1);
    
    /* Transition */
    --transition-base: all 0.2s ease;
    --transition-slow: all 0.3s ease;
}

/* ====== Typography ====== */
* {
    font-family: 'Noto Sans JP', 'Pretendard', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif !important;
}

/* ====== Layout Components ====== */

/* Page Headers */
.page-header {
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    color: white;
}

.company-header {
    background: linear-gradient(135deg, var(--company-primary) 0%, var(--company-primary-dark) 100%);
}

.company-header-secondary {
    background: linear-gradient(135deg, var(--company-secondary) 0%, var(--company-secondary-dark) 100%);
}

.user-header {
    background: linear-gradient(135deg, var(--user-primary) 0%, var(--user-primary-dark) 100%);
}

/* Cards */
.stats-card {
    background: linear-gradient(135deg, #ffffff 0%, var(--gray-50) 100%);
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    transition: var(--transition-slow);
    padding: 1.5rem;
}

.stats-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-1px);
}

.content-card {
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    padding: 1.5rem;
}

/* ====== Table Components ====== */
.table-container {
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    overflow: hidden;
    background-color: white;
}

.table-container table {
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
}

.table-container thead {
    background-color: var(--gray-50);
}

.table-container thead th {
    padding: 0.75rem 1.5rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table-container tbody td {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.table-container tbody tr:hover {
    background-color: var(--gray-50);
}

.table-container tbody tr:last-child td {
    border-bottom: none;
}

/* ====== Status & Badge Components ====== */
.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    display: inline-block;
}

.status-active {
    background-color: var(--status-active);
    color: var(--status-active-text);
}

.status-closed {
    background-color: var(--status-closed);
    color: var(--status-closed-text);
}

.status-draft {
    background-color: var(--status-draft);
    color: var(--status-draft-text);
}

.status-pending {
    background-color: var(--status-pending);
    color: var(--status-pending-text);
}

/* ====== Button Components ====== */
.btn-primary {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-base);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.btn-company:hover {
    background-color: var(--company-primary-dark);
}

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

.btn-user:hover {
    background-color: var(--user-primary-dark);
}

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background-color: var(--gray-200);
}

/* ====== Filter & Search Components ====== */
.filter-badge {
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--gray-300);
    background-color: white;
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition-base);
    display: inline-flex;
    align-items: center;
}

.filter-badge:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-sm);
}

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

.search-box {
    border: 1px solid var(--gray-300);
    border-radius: 0.375rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    transition: var(--transition-base);
    width: 100%;
}

.search-box:focus {
    outline: none;
    border-color: var(--dsa-primary);
    box-shadow: 0 0 0 3px rgba(139, 21, 56, 0.1);
}

/* ====== Form Components ====== */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
}

.form-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    transition: var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--dsa-primary);
    box-shadow: 0 0 0 3px rgba(139, 21, 56, 0.1);
}

.form-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    background-color: white;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* ====== Empty State Component ====== */
.empty-state {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    border: 2px dashed var(--gray-300);
    border-radius: 0.5rem;
    padding: 3rem;
    text-align: center;
    color: var(--gray-600);
}

.empty-state i {
    font-size: 3rem;
    color: var(--gray-400);
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

/* ====== Utility Classes ====== */
.text-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.text-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.text-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ====== Responsive Utilities ====== */
@media (max-width: 768px) {
    .stats-card {
        padding: 1rem;
    }
    
    .page-header {
        padding: 1rem;
    }
    
    .table-container {
        overflow-x: auto;
    }
    
    .btn-primary {
        padding: 0.75rem 1rem;
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .filter-badge {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }
    
    .search-box {
        margin-bottom: 0.5rem;
    }
}

/* ====== DSA Theme Classes ====== */
.dsa-primary { background-color: var(--dsa-primary) !important; }
.dsa-primary-light { background-color: var(--dsa-primary-light) !important; }
.dsa-primary-dark { background-color: var(--dsa-primary-dark) !important; }
.dsa-accent { background-color: var(--dsa-accent) !important; }
.dsa-bg-light { background-color: var(--dsa-bg-light) !important; }
.dsa-bg-medium { background-color: var(--dsa-bg-medium) !important; }

.text-dsa-primary { color: var(--dsa-primary) !important; }
.text-dsa-primary-light { color: var(--dsa-primary-light) !important; }
.text-dsa-primary-dark { color: var(--dsa-primary-dark) !important; }
.text-dsa-accent { color: var(--dsa-accent) !important; }

.border-dsa-primary { border-color: var(--dsa-primary) !important; }
.border-dsa-accent { border-color: var(--dsa-accent) !important; }

.hover\:bg-dsa-primary:hover { background-color: var(--dsa-primary) !important; }
.hover\:bg-dsa-primary-light:hover { background-color: var(--dsa-primary-light) !important; }
.hover\:bg-dsa-accent:hover { background-color: var(--dsa-accent) !important; }
.hover\:text-dsa-primary:hover { color: var(--dsa-primary) !important; }
.hover\:text-dsa-primary-light:hover { color: var(--dsa-primary-light) !important; }