/*
Theme Name: Portfolio Atlas
Theme URI: https://portfolioatlas.com
Author: Portfolio Atlas Team
Author URI: https://portfolioatlas.com
Description: 자산배분 관리 웹앱 워드프레스 테마. 계좌 관리, 포트폴리오 분석, 리밸런싱 조언, 백테스트 기능을 제공합니다.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 8.0
License: MIT
License URI: https://opensource.org/licenses/MIT
Text Domain: portfolio-atlas
Tags: portfolio, finance, asset-allocation, investment, responsive, custom-post-type
*/

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    --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;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--gray-50);
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
    .container { padding: 0 2rem; }
}

/* Header */
.site-header {
    background: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--gray-200);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--gray-900);
}

.site-logo img {
    height: 2rem;
    width: auto;
}

.site-logo .logo-text {
    font-size: 1.25rem;
    font-weight: 700;
}

/* Navigation */
.main-navigation {
    display: none;
}

@media (min-width: 768px) {
    .main-navigation {
        display: flex;
        align-items: center;
        gap: 0.25rem;
    }
}

.main-navigation a {
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    text-decoration: none;
    transition: all 0.2s;
}

.main-navigation a:hover,
.main-navigation a.current {
    color: var(--primary-600);
    background-color: var(--primary-50);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: block;
    padding: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-700);
}

@media (min-width: 768px) {
    .mobile-menu-toggle { display: none; }
}

/* Main Content */
.site-main {
    min-height: calc(100vh - 16rem);
    padding: 2rem 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--primary-600);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-700);
}

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
}

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

/* Cards */
.card {
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border: 1px solid var(--gray-200);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

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

table th,
table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

table th {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-500);
    text-transform: uppercase;
    background-color: var(--gray-50);
}

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

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.25rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d1fae5;
    border: 1px solid #6ee7b7;
    color: #065f46;
}

.alert-error {
    background-color: #fee2e2;
    border: 1px solid #fca5a5;
    color: #991b1b;
}

.alert-warning {
    background-color: #fef3c7;
    border: 1px solid #fcd34d;
    color: #92400e;
}

/* Footer */
.site-footer {
    background: white;
    border-top: 1px solid var(--gray-200);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-align: center;
    max-width: 800px;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-200);
}

/* Grid */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (min-width: 768px) {
    .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 0.5rem;
    background-color: var(--gray-200);
    border-radius: 0.25rem;
    overflow: hidden;
    margin-top: 0.5rem;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-500);
    transition: width 0.3s ease;
}

/* Target/Allocation Items */
.target-item,
.allocation-item {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.target-item:last-child,
.allocation-item:last-child {
    border-bottom: none;
}

/* Back Link */
.back-link {
    display: inline-block;
    margin-bottom: 1rem;
    color: var(--primary-600);
    text-decoration: none;
    font-size: 0.875rem;
}

.back-link:hover {
    text-decoration: underline;
}

/* Post Meta */
.post-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 1rem;
}

/* Pagination */
.pagination {
    margin-top: 2rem;
    text-align: center;
}

.pagination .page-numbers {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin: 0 0.25rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.25rem;
    text-decoration: none;
    color: var(--gray-700);
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
    background-color: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

/* Mobile Navigation */
@media (max-width: 767px) {
    .main-navigation {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border-top: 1px solid var(--gray-200);
        flex-direction: column;
        padding: 1rem;
    }
    
    .main-navigation.mobile-open {
        display: flex;
    }
    
    .main-navigation a {
        padding: 0.75rem;
        border-radius: 0.5rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-green { color: #10b981; }
.text-red { color: #ef4444; }
.text-primary { color: var(--primary-600); }
.font-bold { font-weight: 700; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.p-4 { padding: 1rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }