/* style.css */

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f8;
    margin: 0;
    padding: 0;
    color: #333;
}

/* --- ส่วนหัวเว็บไซต์ (Main Header) --- */
.main-header {
    background-color: #6193b7; /* สีเขียวเดียวกับธีม */
    color: white;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.brand-logo {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.logo-icon {
    font-size: 36px;
    margin-right: 12px;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-weight: bold;
    font-size: 24px;
    line-height: 1;
}

.brand-subtitle {
    font-size: 11px;
    opacity: 0.8;
    letter-spacing: 0.5px;
    margin-top: 3px;
    font-weight: 500;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.h-link {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
    transition: color 0.2s;
}
.h-link:hover { color: white; }

/* --- เมนูเปลี่ยนภาษา (Language Dropdown Fix) --- */
.lang-dropdown {
    position: relative;
    display: inline-block;
    padding-bottom: 5px; /* เพิ่มพื้นที่ด้านล่างปุ่มนิดหน่อย */
}

.lang-btn {
    background: none;
    border: none;
    color: white;
    font-weight: bold;
    font-size: 14px;
    cursor: pointer;
    padding: 5px 0;
    display: flex;
    align-items: center;
    gap: 5px;
}

.lang-content {
    display: none; /* ซ่อนไว้ก่อน */
    position: absolute;
    right: 0;
    top: 100%; /* อยู่ใต้ปุ่มพอดี */
    
    /* แก้ปัญหาเมาส์หุบ: ใช้ padding ดันเนื้อหาลงมาแทน margin */
    padding-top: 10px; 
    
    z-index: 1000;
}

/* ตัวกล่องเมนูจริงๆ จะอยู่ในนี้ (เพื่อให้ padding-top โปร่งใส) */
.lang-content a {
    display: block;
    background-color: white;
    color: #333;
    padding: 12px 16px;
    text-decoration: none;
    font-size: 14px;
    text-align: left;
    min-width: 140px;
    border-bottom: 1px solid #eee;
}

.lang-content a:first-child {
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
}
.lang-content a:last-child {
    border-bottom: none;
    border-bottom-left-radius: 4px;
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.lang-content a:hover {
    background-color: #f1f1f1;
    color: #2e7d32;
}

/* แสดงเมนูเมื่อเอาเมาส์ชี้ (Hover) */
.lang-dropdown:hover .lang-content {
    display: block;
}

/* ----------------------------------- */

/* Top Nav (ปรับให้เข้ากับ Header ใหม่) */
.top-nav {
    background-color: #6193b7; /* สีอ่อนกว่านิดนึงเพื่อให้ดูมีมิติ */
    padding: 10px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.nav-item {
    color: rgba(255, 255, 255, 0.8);
    display: inline-block;
    padding: 5px 15px;
    cursor: pointer;
    text-transform: uppercase;
    font-weight: bold;
    font-size: 14px;
    text-decoration: none;
    border-bottom: 3px solid transparent;
}

.nav-item:hover,
.nav-item.active {
    color: white;
    border-bottom: 3px solid white;
}

.nav-item i {
    margin-right: 5px;
}

/* Layout */
.container {
    display: flex;
    max-width: 1200px;
    margin: 30px auto;
    gap: 30px;
    padding: 0 20px;
    flex-wrap: wrap;
}

.left-panel {
    flex: 2;
    min-width: 300px;
}

.right-panel {
    flex: 1;
    min-width: 300px;
}

/* Accordion */
.accordion-item {
    background: white;
    border-radius: 4px;
    margin-bottom: 15px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.accordion-header {
    padding: 15px 20px;
    cursor: pointer;
    background: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: #555;
    transition: background 0.2s;
}

.accordion-header:hover {
    background: #f9f9f9;
}

.accordion-header i {
    color: #888;
}

.accordion-content {
    padding: 20px;
    border-top: 1px solid #eee;
    display: none;
    background: #fafafa;
}

.accordion-content.active {
    display: block;
}

/* Inputs */
input[type="text"],
input[type="url"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="datetime-local"],
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    margin-bottom: 10px;
    font-size: 14px;
}

input[type="color"] {
    height: 40px;
    border: 1px solid #ddd;
    padding: 2px;
    cursor: pointer;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #666;
    font-size: 14px;
}

/* Right Panel */
.preview-box {
    background: white;
    padding: 30px;
    border-radius: 4px;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 20px;
}

#canvas {
    margin-bottom: 20px;
}

.btn-download {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    width: 100%;
    margin-top: 15px;
    transition: 0.3s;
}

.btn-download:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.slider-container {
    margin-top: 20px;
}

input[type=range] {
    width: 100%;
}

.res-text {
    font-size: 12px;
    color: #888;
    margin-top: 5px;
    display: flex;
    justify-content: space-between;
}

/* --- Logo Grid Styles --- */
.logo-grid {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.logo-option {
    width: 45px;
    height: 45px;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 5px;
    cursor: pointer;
    background: white;
    object-fit: contain;
    transition: all 0.2s;
}

.logo-option:hover {
    border-color: #2e7d32;
    transform: translateY(-2px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.logo-option.selected {
    border-color: #2e7d32;
    background-color: #e8f5e9;
    border-width: 2px;
}

/* --- Shape Selection Grids --- */
.shape-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr)); 
    gap: 10px;
    margin-bottom: 20px;
}

.shape-option {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    background: white;
    text-align: center;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60px;
}

.shape-option:hover {
    border-color: #2e7d32;
    background-color: #f1f8e9;
    transform: translateY(-2px);
}

.shape-option.selected {
    border-color: #7de082;
    background-color: #e8f5e9;
    border-width: 2px;
    box-shadow: 0 2px 5px rgba(46, 125, 50, 0.2);
}

/* ไอคอนตัวแทนรูปทรง */
.shape-preview {
    width: 24px;
    height: 24px;
    background-color: #333;
    margin-bottom: 5px;
}

.density-btn {
    flex: 1;
    padding: 8px 5px;
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
}
.density-btn.selected {
    background-color: #2e7d32;
    color: white;
    border-color: #2e7d32;
}

.full-width {
    width: 100%;
    box-sizing: border-box;
}

.form-row {
    display: flex;
    gap: 15px;
    margin-bottom: 0;
}
.col {
    flex: 1;
}

textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    margin-bottom: 10px;
    font-size: 14px;
    resize: vertical;
    min-height: 150px;
}

.nav-item {
    margin-right: 5px;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 15px;
}
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}
@media (max-width: 768px) {
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* Footer Credit */
.footer-credit {
    text-align: center;
    padding: 20px;
    margin-top: auto; /* ดันไปล่างสุด */
    font-size: 13px;
    color: #888;
    border-top: 1px solid #eee;
    background: white;
}
.footer-credit a { color: var(--primary-color); text-decoration: none; font-weight: bold; }

.main-header {
    border-bottom: none !important;
}

.brand-logo img {
    /* คำสั่งนี้จะทำให้ส่วนที่เป็น "สีขาว" กลายเป็น "โปร่งใส" */
    mix-blend-mode: multiply; 
    
    /* ถ้าโลโก้ดูมืดไป ให้ลองเปลี่ยนเป็น darken แทนครับ */
    /* mix-blend-mode: darken; */
}