/* CSS Variables */
:root {
    --bg-color: #0a192f;
    --bg-secondary: #112240;
    --text-main: #e6f1ff;
    --text-secondary: #8892b0;
    --accent-color: #64ffda;
    --accent-hover: #4cc7aa;
    --white: #ffffff;
    --nav-height: 80px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Sarabun', 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    transition: transform 0.3s ease;
}

img:hover {
    transform: scale(1.05);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.25;
}

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

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
    line-height: 1.3;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--accent-color);
    margin: 10px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    font-size: 1rem;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: transparent;
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-primary:hover {
    background-color: rgba(100, 255, 218, 0.1);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border-color: var(--text-secondary);
    margin-left: 15px;
}

.btn-secondary:hover {
    border-color: var(--text-main);
    background-color: rgba(255, 255, 255, 0.05);
}

.highlight {
    color: var(--accent-color);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-right: auto;
    text-decoration: none;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
}

.logo i {
    color: var(--accent-color);
}

.nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 350px;
    height: 100vh;
    background-color: var(--bg-secondary);
    padding: 50px;
    transition: var(--transition);
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    justify-content: center;
    z-index: 1000;
}

.nav-menu.show {
    right: 0;
}

.nav-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
    align-items: center;
}

.nav-link {
    font-size: 1.1rem;
    color: var(--text-main);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.button-link {
    padding: 8px 20px;
    border: 1px solid var(--accent-color);
    border-radius: 4px;
    color: var(--accent-color);
}

.nav-link.button-link:hover {
    background-color: rgba(100, 255, 218, 0.1);
}

.nav-link.button-link::after {
    display: none;
}

.nav-toggle,
.nav-close {
    display: block;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-main);
}

.nav-close {
    position: absolute;
    top: 20px;
    right: 20px;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    background-image: radial-gradient(circle at 70% 50%, #112240 0%, #0a192f 60%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 35px;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(136, 146, 176, 0.2);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.hero-image {
    position: relative;
    height: auto;
    width: 100%;
    margin-top: 2rem;
}

/* Services Section */
.services {
    background-color: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--bg-color);
    padding: 30px;
    border-radius: 10px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-desc {
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.service-link {
    color: var(--accent-color);
    font-weight: 500;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.service-link:hover {
    text-decoration: underline;
    gap: 8px;
}

/* About Section */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-desc {
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.about-list {
    margin-bottom: 30px;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.about-list li i {
    color: var(--accent-color);
}

/* Contact Section */
.contact {
    background-color: var(--bg-secondary);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    background-color: var(--bg-color);
    padding: 50px;
    border-radius: 15px;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background-color: rgba(100, 255, 218, 0.1);
    color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--text-main);
}

.contact-item p {
    font-size: 0.95rem;
}

.contact-item p {
    font-size: 0.95rem;
}

/* Contact List Styling (New) */
.contact-list {
    list-style: none;
    margin-bottom: 30px;
    color: var(--white);
    font-size: 1rem;
    line-height: 1.6;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    /* Align icon with top of text */
    margin-bottom: 20px;
    gap: 15px;
}

.contact-list li i {
    color: var(--accent-color);
    /* #64ffda or similar from variables */
    margin-top: 5px;
    /* Adjust vertical alignment visually */
    min-width: 25px;
    /* Prevent squishing */
    text-align: center;
}

.contact-list li span {
    flex: 1;
    /* Take remaining width */
    word-break: break-word;
    /* Ensure long emails/urls break */
}

.form-group {
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--text-secondary);
    border-radius: 5px;
    color: var(--text-main);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
}

.btn-block {
    width: 100%;
}

/* Footer */
.footer {
    background-color: #020c1b;
    padding: 50px 0 20px;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    margin-bottom: 40px;
}

.footer-brand p {
    margin-top: 10px;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-social {
    display: flex;
    gap: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border: 1px solid var(--text-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social a:hover {
    color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(136, 146, 176, 0.1);
    padding-top: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Responsive Design */
@media screen and (max-width: 968px) {
    :root {
        --nav-height: 70px;
    }

    .section {
        padding: 80px 0;
    }

    .hero-container,
    .about-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero {
        height: auto;
        min-height: 100vh;
        padding-bottom: 60px;
    }

    .hero-subtitle {
        margin: 0 auto 35px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .about-image {
        order: -1;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 768px) {


    .hero-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }

    .section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    /* Responsive Helpers */
    .mobile-text-center {
        text-align: center !important;
    }

    .mobile-flex-column {
        flex-direction: column !important;
        gap: 20px !important;
    }

    .mobile-full-width {
        width: 100% !important;
        max-width: 100% !important;
    }

    .mobile-padding-small {
        padding: 20px 15px !important;
    }
}

@media screen and (max-width: 480px) {
    .logo {
        font-size: 1.1rem;
        flex-wrap: wrap;
    }

    .hero-title {
        font-size: clamp(1.5rem, 8vw, 2.2rem);
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 12px;
        width: 100%;
        align-items: center;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .btn-secondary {
        margin-left: 0;
    }

    .contact-container {
        padding: 30px 20px;
    }

    /* Fix footer links spacing */
    .footer-links {
        flex-direction: column;
        gap: 12px;
    }
}

/* Organizational Chart Styles */
/* Scroll wrapper */
.org-scroll-wrapper {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 20px;
}

.org-chart {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    /* overflow-x: auto;  <-- Moved to wrapper */
    width: 100%;
    min-width: 900px;
    /* Force minimum width to keep alignment */
}

.org-level {
    display: flex;
    justify-content: center;
    gap: 40px;
    /* Space between nodes */
    position: relative;
    width: 100%;
}

.org-node-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.org-node {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    width: fit-content;
    min-width: 120px;
    padding: 10px 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    z-index: 2;
    position: relative;
    /* Ensure image fits */
}

.org-node .img-frame img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #64ffda;
    margin-bottom: 10px;
}

.org-name {
    font-weight: 600;
    color: #0a192f;
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.org-role {
    font-size: 0.85rem;
    color: #666;
}

/* Connectors */
.connector-line-v {
    width: 2px;
    background-color: #64ffda;
    height: 40px;
    /* Standard vertical line height */
    margin: 0 auto;
}

/* Horizontal bar that spans across multiple children */
.connector-bar-wrapper {
    display: flex;
    justify-content: space-between;
    position: relative;
    width: 100%;
}

/* The actual horizontal line */
.connector-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: #64ffda;
    z-index: 1;
}

/* Vertical lines dropping from the bar to each child */
.connector-drop {
    width: 100%;
    display: flex;
    justify-content: center;
    position: relative;
}

.connector-drop::before {
    content: '';
    width: 2px;
    height: 40px;
    /* Distance from bar to node */
    background-color: #64ffda;
}

/* Complex Merges/Splits Helpers */

/* Complex Merges/Splits Helpers */

/* Wrapper for the 2 Doctors - Grid Layout */
.doctors-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 600px;
    /* Fixed width to control spacing */
    position: relative;
    padding-top: 20px;
    /* Space for the top connector line */
}

/* Common Vertical Line Style */
.line-vertical {
    position: absolute;
    width: 2px;
    background-color: #64ffda;
}

/* Common Horizontal Line Style */
.line-horizontal {
    position: absolute;
    height: 2px;
    background-color: #64ffda;
}

/* 1. Split from Parent to Doctors */
/* Horizontal bar above doctors */
.doctors-grid::before {
    content: '';
    position: absolute;
    top: 0;
    left: 25%;
    /* Center of first col (width 50%, center is 25% of total) */
    right: 25%;
    /* Center of second col */
    height: 2px;
    background-color: #64ffda;
}

/* Vertical lines connecting each doctor to the bar above */
.doctors-grid .org-node-wrapper::before {
    content: '';
    position: absolute;
    top: -20px;
    /* Reach up to the bar */
    left: 50%;
    width: 2px;
    height: 20px;
    background-color: #64ffda;
}

/* 2. Merge from Doctors to Center */
/* Container below doctors */
.merge-container {
    position: relative;
    width: 600px;
    /* Match doctors-grid width */
    height: 40px;
    margin-bottom: 0px;
}

/* Horizontal line connecting the bottom centers of the two doctors */
.merge-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 25%;
    /* Match center of 1st doctor */
    right: 25%;
    /* Match center of 2nd doctor */
    height: 2px;
    background-color: #64ffda;
}

/* Short vertical drops from each doctor to the merge line */
.merge-container .drop-left {
    position: absolute;
    top: -20px;
    /* Connect to doctor bottom */
    left: 25%;
    height: 20px;
    width: 2px;
    background-color: #64ffda;
}

.merge-container .drop-right {
    position: absolute;
    top: -20px;
    right: 25%;
    height: 20px;
    width: 2px;
    background-color: #64ffda;
}

/* Single vertical line down from the merge line to the next level */
.merge-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background-color: #64ffda;
}


/* Tree Layout for the 5-column split */
/* Switched to Grid to strictly enforce equal columns for perfect line alignment */
.tree-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    width: 100%;
    min-width: 900px;
    /* Ensure enough space for 5 columns on mobile (triggers scrolling) */
    max-width: 1200px;
    position: relative;
    padding-top: 40px;
    gap: 0;
}

/* Horizontal bar for the 5 split */
/* 
   Logic: 
   With 5 equal flex items, their centers are at 10%, 30%, 50%, 70%, 90%.
   We want the line to go from center of Item 1 (10%) to center of Item 5 (90%).
   So left: 10% and right: 10%.
*/
.tree-grid::before {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 2px;
    background-color: #64ffda;
}

/* Vertical line from top-center to the bar */
.tree-grid-feeder {
    position: absolute;
    top: -40px;
    left: 50%;
    height: 40px;
    width: 2px;
    background-color: #64ffda;
}

/* Vertical lines for each column from bar to node */
.tree-col {
    flex: 1;
    /* Equal width */
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    padding: 0 10px;
    /* Use padding for spacing instead of gap */
}

.tree-col::before {
    content: '';
    position: absolute;
    top: -40px;
    /* Connect to bar */
    left: 50%;
    height: 40px;
    width: 2px;
    background-color: #64ffda;
}

/* Responsive Adjustments for Org Chart */
.doctors-grid,
.merge-container {
    width: 100%;
    min-width: 600px;
    /* Keep minimum width for structure */
}


/* โค้ดปุ่มกลับหน้าหลัก */
.btn-back {
    display: inline-block;
    margin-top: 30px;
    padding: 12px 30px;
    background-color: #3a7bd5;
    /* สีน้ำเงินตั้งต้น */
    color: white;
    border-radius: 5px;
    text-decoration: none;
    font-family: sans-serif;
    /* ปรับฟอนต์ให้ดูดีขึ้น */
    transition: all 0.3s ease;
    /* ทำให้การเปลี่ยนสีนุ่มนวล */
}

/* เอฟเฟกต์เมื่อเอาเมาส์ไปชี้ (Hover) */
.btn-back:hover {
    background-color: #2159a7;
    /* สีจะเข้มขึ้นเมื่อชี้ */
    color: #ffffff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    /* เพิ่มเงาให้ดูมีมิติ */
    transform: translateY(-2px);
    /* ปุ่มลอยขึ้นเล็กน้อย */
}

/* --- LUXURY ANIMATIONS --- */

/* Keyframes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 50px, 0);
    }

    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translate3d(-50px, 0, 0);
    }

    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translate3d(50px, 0, 0);
    }

    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes glowPulse {
    0% {
        box-shadow: 0 0 5px rgba(100, 255, 218, 0.2);
    }

    50% {
        box-shadow: 0 0 20px rgba(100, 255, 218, 0.6);
    }

    100% {
        box-shadow: 0 0 5px rgba(100, 255, 218, 0.2);
    }
}

/* Scroll Animation Classes */
.animate-on-scroll {
    opacity: 0;
    will-change: opacity, transform;
}

.animate-on-scroll.is-visible {
    animation-duration: 0.8s;
    animation-fill-mode: both;
    animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-up.is-visible {
    animation-name: fadeInUp;
}

.fade-left.is-visible {
    animation-name: fadeInLeft;
}

.fade-right.is-visible {
    animation-name: fadeInRight;
}

/* Delays */
.delay-100.is-visible {
    animation-delay: 0.1s;
}

.delay-200.is-visible {
    animation-delay: 0.2s;
}

.delay-300.is-visible {
    animation-delay: 0.3s;
}

.delay-400.is-visible {
    animation-delay: 0.4s;
}

.delay-500.is-visible {
    animation-delay: 0.5s;
}

/* Enhanced Hover Effects */
.service-card,
.value-card img {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
}

.service-card:hover {
    transform: translateY(-10px) !important;
    box-shadow: 0 20px 40px rgba(100, 255, 218, 0.15) !important;
    border-color: var(--accent-color) !important;
}

/* Hero Image Floating */
.hero-image img {
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

/* Button Glow on Hover */
.btn-primary:hover {
    animation: glowPulse 2s infinite;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(100, 255, 218, 0.3);
}

/* Glassmorphism Enhancement */
.service-card {
    backdrop-filter: blur(10px);
    background-color: rgba(17, 34, 64, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* สำหรับหน้าจอคอมพิวเตอร์ (หน้าจอกว้าง) */
.line-break {
    display: inline;
    /* ให้แสดงผลต่อกันในบรรทัดเดียว */
}

/* สำหรับหน้าจอมือถือ (หน้าจอแคบกว่า 768px) */
@media (max-width: 768px) {
    .line-break {
        display: block;
        /* สั่งให้ดีดลงมาขึ้นบรรทัดใหม่ */
    }
}

/* ตกแต่งเพิ่มเติมเพื่อให้ไอคอนกับข้อความดูดี */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo i {
    margin-right: 10px;
}

/* Mobile Org Chart Refactor */
@media screen and (max-width: 768px) {

    /* Allow resizing */
    .org-scroll-wrapper {
        overflow-x: hidden;
        width: 100%;
    }

    .org-chart {
        min-width: 100%;
        width: 100%;
        padding: 0 10px;
    }

    /* Stack Doctors */
    .doctors-grid {
        display: flex;
        flex-direction: column;
        width: 100%;
        min-width: 0;
        gap: 30px;
        align-items: center;
        padding-top: 0;
    }

    .doctors-grid::before {
        display: none;
    }

    .doctors-grid .org-node-wrapper::before {
        display: none;
    }

    /* Stack Tree Columns */
    .tree-grid {
        display: flex;
        flex-direction: column;
        width: 100%;
        min-width: 0;
        gap: 30px;
        padding-top: 0;
    }

    .tree-grid::before {
        display: none;
    }

    .tree-grid-feeder {
        display: none;
    }

    .tree-col {
        width: 100%;
        padding: 0;
    }

    .tree-col::before {
        display: none;
    }

    /* Add visual separators for stacked lists */
    .tree-col {
        background-color: rgba(255, 255, 255, 0.5);
        border-radius: 10px;
        padding: 15px;
        border: 1px dashed #ddd;
    }

    .connector-line-v {
        height: 20px;
    }

    /* Ensure nodes fit screen */
    .org-node {
        max-width: 100%;
        width: auto;
        min-width: auto;
    }
}

/* Line QR Code Popup */
.line-popup {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 9999;
    width: 280px;
    background: rgba(17, 34, 64, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(100, 255, 218, 0.3);
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    padding: 25px;
    transform: translateX(-125%);
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.line-popup.show {
    transform: translateX(0);
}

.line-popup-content {
    position: relative;
    width: 100%;
}

.close-popup {
    position: absolute;
    top: -35px;
    right: -35px;
    width: 32px;
    height: 32px;
    background: #FF4B5C;
    border: none;
    color: white;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(255, 75, 92, 0.4);
    z-index: 10;
}

.close-popup:hover {
    background: #ff2e43;
    transform: rotate(90deg) scale(1.1);
}

.line-popup-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
    color: #06C755;
    /* Line Green */
    font-weight: 700;
    font-size: 1.1rem;
}

.line-popup-header i {
    font-size: 1.6rem;
}

.line-qr-img {
    width: 190px;
    height: 190px;
    border-radius: 12px;
    margin-bottom: 18px;
    border: 4px solid white;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.line-popup-text {
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 18px;
    line-height: 1.5;
}

.line-id {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.2rem;
    display: block;
    margin-top: 5px;
    letter-spacing: 1px;
}

.btn-line {
    background-color: #06C755;
    color: white !important;
    border: none;
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    text-decoration: none;
}

.btn-line:hover {
    background-color: #05a345;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(6, 199, 85, 0.4);
}

.btn-line i {
    font-size: 1.2rem;
}

@media (max-width: 480px) {
    .line-popup {
        bottom: 20px;
        left: 20px;
        width: calc(100% - 40px);
        max-width: 280px;
        padding: 20px;
    }

    .line-qr-img {
        width: 160px;
        height: 160px;
    }

    .close-popup {
        top: -10px;
        right: -10px;
    }
}