/* จำลอง CSS พื้นฐานของอาจารย์ */
:root {
    --pali-gold: #d4af37;
    --bg-dark: #0a0a0a;
    --card-bg: rgba(30, 30, 30, 0.6);
}

body {
    background-color: var(--bg-dark);
    color: #ccc;
    font-family: 'EB Garamond', serif;
    margin: 0;
    line-height: 1.8;
}

.bg-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100vh;
    background-image: url('../images/bg.png');
    /* ปรับ Path ให้ถอยออก 1 ชั้นจากโฟลเดอร์ css */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.25;
    z-index: -1;
    pointer-events: none;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

.archive-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px 100px;
}

/* ปุ่มนำทาง */
.breadcrumb-nav {
    padding: 40px 0 20px;
    text-align: left;
}

.back-link {
    color: var(--pali-gold);
    text-decoration: none;
    opacity: 0.6;
    font-size: 0.95rem;
    transition: 0.3s;
    letter-spacing: 1px;
}

.back-link:hover {
    opacity: 1;
    letter-spacing: 2px;
}

/* --- Master Profile Section --- */
.master-profile-header {
    display: flex;
    flex-direction: column;
    gap: 50px;
    padding: 40px 0;
    align-items: center;
}

@media (min-width: 850px) {
    .master-profile-header {
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
    }
}

.master-portrait-box {
    flex: 0 0 380px;
    position: relative;
}

.master-portrait-box img {
    width: 100%;
    filter: grayscale(100%) contrast(1.1);
    mask-image: linear-gradient(to bottom, black 85%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 85%, transparent 100%);
}

/* ตราประทับทองคำจางๆ หลังรูป (กิมมิก) */
.master-portrait-box::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 250px;
    background: var(--pali-gold);
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.1;
    z-index: -1;
}

.master-identity {
    flex: 1;
}

.lineage-tag {
    color: var(--pali-gold);
    letter-spacing: 4px;
    font-size: 0.85rem;
    text-transform: uppercase;
    display: block;
    margin-bottom: 10px;
}

.master-name {
    font-family: 'Cormorant Garamond', serif;
    font-size: 3.5rem;
    color: #fff;
    margin: 0;
    line-height: 1.1;
}

.master-years {
    opacity: 0.4;
    font-style: italic;
    letter-spacing: 2px;
    font-size: 1.2rem;
    margin: 15px 0;
    display: block;
}

.master-quote {
    font-style: italic;
    border-left: 2px solid var(--pali-gold);
    padding-left: 20px;
    margin: 30px 0;
    color: #eee;
    font-size: 1.2rem;
}

/* --- Content Layout --- */
.bio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 40px;
}

@media (min-width: 850px) {
    .bio-grid {
        grid-template-columns: 2fr 1fr;
    }
}

.bio-text {
    font-size: 1.15rem;
    text-align: justify;
}

.bio-text p {
    margin-top: 25px;
    margin-bottom: 25px;
}

.bio-text h2 {
    font-family: 'Cormorant Garamond', serif;
    color: var(--pali-gold);
    font-size: 2rem;
    margin-top: 0;
}

.bio-sidebar {
    background: rgba(212, 175, 55, 0.03);
    border: 1px solid rgba(212, 175, 55, 0.1);
    padding: 30px;
    border-radius: 8px;
    height: fit-content;
}

.sidebar-title {
    color: var(--pali-gold);
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.4rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-list li {
    margin-bottom: 15px;
    font-size: 0.95rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 10px;
}

.sidebar-list b {
    color: #fff;
    display: block;
    margin-bottom: 3px;
}

/* --- Related Archives Section --- */
.section-divider {
    border: 0;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
    margin: 60px 0;
}

.archive-title {
    font-family: 'Cormorant Garamond', serif;
    color: var(--pali-gold);
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 40px;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.article-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 25px;
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
    border-radius: 5px;
}

.article-card:hover {
    border-color: var(--pali-gold);
    transform: translateY(-5px);
    background: rgba(30, 30, 30, 0.9);
}

.article-teacher {
    color: var(--pali-gold);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.article-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.5rem;
    color: #fff;
    margin: 10px 0;
}

.article-date {
    opacity: 0.4;
    font-size: 0.85rem;
}

/* Support Section */
.support-box {
    border: 1px solid rgba(212, 175, 55, 0.3);
    padding: 50px;
    text-align: center;
    border-radius: 8px;
    margin-top: 100px;
    background: rgba(0, 0, 0, 0.3);
}

.support-btn {
    background: transparent;
    border: 1px solid var(--pali-gold);
    color: var(--pali-gold);
    padding: 15px 35px;
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.2rem;
    text-decoration: none;
    display: inline-block;
    margin-top: 20px;
    transition: 0.3s;
}

.support-btn:hover {
    background: var(--pali-gold);
    color: #000;
}

.para-sep {
    border: none;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(212, 175, 55, 0.4), transparent);
    margin: 40px auto;
    width: 100%;
}