/* Custom Styles for bybittrading.goksan.co.kr */
/* Theme: Dark/Black (#000000 ~ #374151) */
/* Font: IBM Plex Sans KR */
/* Style: Magazine, Gradient border cards, Underline text buttons */

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

:root {
    --primary-color: #000000;
    --secondary-color: #374151;
    --accent-color: #6B7280;
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --background-dark: #000000;
    --background-medium: #111827;
    --background-light: #1F2937;
    --border-color: #374151;
    --gradient-primary: linear-gradient(135deg, #000000 0%, #374151 100%);
    --gradient-border: linear-gradient(135deg, #6B7280 0%, #374151 50%, #9CA3AF 100%);
}

/* Base Typography */
body, html {
    font-family: 'IBM Plex Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--background-dark);
    color: var(--text-primary);
    line-height: 1.8;
}

/* All Text Elements */
h1, h2, h3, h4, h5, h6, p, span, a, li, div {
    font-family: 'IBM Plex Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Headings */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Body Text */
p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

/* Links - Underline Style */
a {
    color: var(--text-primary);
    text-decoration: none;
    position: relative;
    transition: all 0.3s ease;
}

a:not(.wp-block-button__link):not(.wp-block-navigation-item__content)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -2px;
    left: 0;
    background: var(--text-primary);
    transition: width 0.3s ease;
}

a:not(.wp-block-button__link):not(.wp-block-navigation-item__content):hover::after {
    width: 100%;
}

/* Navigation */
.wp-block-navigation {
    background: transparent;
}

.wp-block-navigation-item__content {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

.wp-block-navigation-item__content:hover {
    color: var(--text-primary) !important;
}

/* Gradient Border Cards */
.wp-block-group,
.wp-block-cover,
article {
    position: relative;
}

.wp-block-group.has-background,
.wp-block-cover {
    background: var(--background-medium) !important;
    border-radius: 12px;
    padding: 2rem;
    position: relative;
}

/* Gradient Border Effect */
.gradient-border-card {
    background: var(--background-medium);
    border-radius: 12px;
    padding: 2rem;
    position: relative;
}

.gradient-border-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    padding: 1px;
    background: var(--gradient-border);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* Buttons - Underline Text Style */
.wp-block-button__link {
    background: transparent !important;
    color: var(--text-primary) !important;
    border: none !important;
    padding: 0.5rem 0 !important;
    font-weight: 500;
    position: relative;
    border-radius: 0 !important;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.875rem;
}

.wp-block-button__link::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 1px;
    bottom: 0;
    left: 0;
    background: var(--text-primary);
    transition: transform 0.3s ease;
}

.wp-block-button__link:hover {
    background: transparent !important;
    color: var(--accent-color) !important;
}

.wp-block-button__link:hover::after {
    background: var(--accent-color);
}

/* Header */
header,
.wp-block-template-part {
    background: var(--background-dark);
    border-bottom: 1px solid var(--border-color);
}

/* Footer */
footer {
    background: var(--background-medium);
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
}

/* Site Title */
.wp-block-site-title a {
    color: var(--text-primary) !important;
    font-weight: 700;
    font-size: 1.5rem;
}

/* Content Areas */
.wp-block-post-content,
.entry-content {
    color: var(--text-secondary);
}

/* Blog Posts List */
.wp-block-post {
    background: var(--background-medium);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    position: relative;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.wp-block-post:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.wp-block-post-title {
    color: var(--text-primary) !important;
    font-weight: 600;
}

.wp-block-post-title a {
    color: var(--text-primary) !important;
}

.wp-block-post-excerpt {
    color: var(--text-secondary);
}

.wp-block-post-date {
    color: var(--accent-color);
    font-size: 0.875rem;
}

/* Magazine Style Layout */
.wp-block-query {
    display: grid;
    gap: 2rem;
}

/* FAQ Styling */
details {
    background: var(--background-medium);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    transition: border-color 0.3s ease;
}

details:hover {
    border-color: var(--accent-color);
}

details summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--text-primary);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

details summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent-color);
    transition: transform 0.3s ease;
}

details[open] summary::after {
    transform: rotate(45deg);
}

details p {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Contact Form */
.wpcf7-form {
    background: var(--background-medium);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form textarea {
    width: 100%;
    padding: 1rem;
    background: var(--background-dark);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'IBM Plex Sans KR', sans-serif;
    transition: border-color 0.3s ease;
}

.wpcf7-form input:focus,
.wpcf7-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.wpcf7-form input[type="submit"] {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--text-primary);
    padding: 1rem 2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'IBM Plex Sans KR', sans-serif;
}

.wpcf7-form input[type="submit"]:hover {
    background: var(--text-primary);
    color: var(--background-dark);
}

.wpcf7-form label {
    color: var(--text-secondary);
    font-weight: 500;
    display: block;
    margin-bottom: 0.5rem;
}

/* Blockquote */
blockquote {
    border-left: 3px solid var(--accent-color);
    padding-left: 1.5rem;
    font-style: italic;
    color: var(--text-secondary);
    margin: 2rem 0;
}

/* Lists */
ul, ol {
    color: var(--text-secondary);
}

li {
    margin-bottom: 0.5rem;
}

/* Code Blocks */
code, pre {
    background: var(--background-light);
    color: var(--text-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'IBM Plex Mono', monospace;
}

/* Images */
.wp-block-image img {
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Separator */
hr,
.wp-block-separator {
    border: none;
    height: 1px;
    background: var(--gradient-border);
    margin: 3rem 0;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
}

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

th {
    background: var(--background-light);
    color: var(--text-primary);
    font-weight: 600;
}

td {
    background: var(--background-medium);
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .wp-block-group.has-background,
    .wp-block-post {
        padding: 1.5rem;
    }
}

/* Selection */
::selection {
    background: var(--accent-color);
    color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}