/* =========================================
   1. Variables & Global Reset
   ========================================= */
:root {
    /* Color Palette - Mint & Pastel Theme */
    --primary-color: #26c6da;       /* เขียวมิ้นท์ (Main Theme) */
    --primary-hover: #00acc1;       /* เขียวมิ้นท์เข้ม (Hover) */
    --primary-menu: #fff; 
    --secondary-color: #ffc107;     /* เหลือง (Highlight) */
    --bg-light: #e0f7fa;            /* พื้นหลังหน้าเว็บ (ฟ้าอ่อน) */
    --bg-white: #ffffff;            /* พื้นหลัง Card */
    
    /* Text Colors (ปรับใหม่ตามที่ระบุ) */
    --text-body: #6a6161;           /* สีเนื้อหาหลัก Body */
    --text-heading: #666666;        /* สีหัวข้อ H1-H6 */
    --text-muted: #9e9e9e;          /* สีข้อความรอง (จางลงเล็กน้อย) */
    
    /* Shapes & Shadows */
    --card-radius: 20px;            
    --input-radius: 12px;           
    --sidebar-width: 16rem;
    --shadow-soft: 0 5px 20px rgba(0,0,0,0.05); 
    --shadow-login: 0 10px 30px rgba(0,0,0,0.08);
}

body {
    font-family: "Kanit", sans-serif;
    font-weight: 300;
    font-style: normal;
    background-color: var(--bg-light);
    color: var(--text-body); /* ใช้สี #6a6161 */
    overflow-x: hidden;
    
}

/* กำหนดสีหัวข้อทั้งหมด (h1 - h6) */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    color: var(--text-heading) !important; /* ใช้สี #666666 */
    font-weight: 300 !important;
}

a {
    text-decoration: none;
    color: var( --text-body) !important ;
}
.bg-primary{
    background-color: var(--primary-menu) !important;
    color: var( --text-body) !important;
}
.logo-icon{
    color: var(--primary-color) !important;
}
.text-primary {
    color: var(--primary-color) !important;
}
.dropdown-item.active{
      background-color: var(--primary-color) !important;
    color: var( --text-body) !important;
}
.btn-outline-primary {
    --bs-btn-color: var( --text-body) !important;
    --bs-btn-border-color: var(--primary-color) !important;
    --bs-btn-hover-color: var(--primary-menu) !important;
    --bs-btn-hover-bg: var( --primary-color) !important;
    --bs-btn-hover-border-color: var( --primary-color) !important;
    --bs-btn-focus-shadow-rgb: 38, 198, 218;

    --bs-gradient: none;
}
.active>.page-link{
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: var( --primary-menu)) !important;
}
.bg-primary {
    background-color: var(--primary-color) !important;
    color: var( --primary-menu) !important;
}
.select2-container--bootstrap-5 .select2-dropdown .select2-results__options .select2-results__option.select2-results__option--selected, .select2-container--bootstrap-5 .select2-dropdown .select2-results__options .select2-results__option[aria-selected=true]:not(.select2-results__option--highlighted) {
    color: #fff !important;
    background-color: var(--primary-color) !important;
}

/* =========================================
   2. Login Page Styles
   ========================================= */
body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-login);
    background: var(--bg-white);
    border: none;
}

.brand-logo {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 28px;
    letter-spacing: 1px;
}

/* =========================================
   3. Dashboard Layout & Sidebar
   ========================================= */
#wrapper {
    display: flex;
    width: 100%;
    position: relative;
    overflow-x: hidden; /* ป้องกันไม่ให้จอเลื่อนซ้ายขวา */
}

/* ตั้งค่า Sidebar ปกติ */
#sidebar-wrapper {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0; 
    z-index: 1050; /* อยู่ชั้นบนสุด */
    background: var(--primary-color);
    transition: all 0.3s ease; /* Effect การเลื่อน */
    overflow-y: auto; /* สำคัญ! ให้ Sidebar เลื่อนขึ้นลงได้ถ้าเมนูยาว */
    box-shadow: 4px 0 10px rgba(0,0,0,0.05);
    color: var(--primary-menu);
    border: ;var(--primary-color);
}

#sidebar-wrapper .list-group, .list-group-item, .list-group-item.active{
    color: var(--primary-menu) !important;
    border-color: var(--primary-color) !important;
}
/* Content ปกติ */
#page-content-wrapper {
    width: 100%;
    margin-left: var(--sidebar-width);
    padding: 0;
    transition: all 0.3s ease;
    min-height: 100vh;
}

@media (max-width: 768px) {
    
    /* ปกติในมือถือ: ซ่อน Sidebar ไปทางซ้าย (-16rem) */
    #sidebar-wrapper {
        left: calc(-1 * var(--sidebar-width));
    }
    
    /* ปกติในมือถือ: เนื้อหาเต็มจอ */
    #page-content-wrapper {
        margin-left: 0;
    }

    /* --- เมื่อกดปุ่ม 3 ขีด (Javascript จะเติม class 'toggled') --- */
    
    /* 1. เลื่อน Sidebar กลับเข้ามาที่ 0 */
    #wrapper.toggled #sidebar-wrapper {
        left: 0;
        box-shadow: 5px 0 15px rgba(0,0,0,0.3);
    }

    /* 2. สร้างฉากหลังสีดำจางๆ (Overlay) */
    #wrapper.toggled::after {
        content: "";
        position: fixed;
        top: 0; 
        left: 0; 
        width: 100vw; 
        height: 100vh;
        background: rgba(0,0,0,0.5); /* ดำโปร่งแสง */
        z-index: 1040; /* อยู่หลัง Sidebar แต่อยู่หน้า Content */
        backdrop-filter: blur(2px); /* เบลอฉากหลัง */
    }
    
    /* 3. ล็อกไม่ให้เลื่อนหน้าจอหลักขณะเปิดเมนู */
    body.menu-open {
        overflow: hidden;
    }
}

#sidebar-wrapper .list-group-item:hover,
#sidebar-wrapper .list-group-item.active {
    background: rgba(255,255,255,0.25);
    color: white;
}

#sidebar-wrapper .list-group-item i {
    margin-right: 12px;
    font-size: 1.3rem;
}

#page-content-wrapper {
    width: 100%;
    transition: margin .25s ease-out;
}

/* =========================================
   4. Topbar & Navigation
   ========================================= */
.topbar {
    background: var(--bg-white);
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    margin-bottom: 2rem;
    border-radius: 0 0 var(--card-radius) var(--card-radius);
}

/* =========================================
   5. Cards & Widgets
   ========================================= */
.container-fluid {
    padding: 0 2rem 2rem 2rem;
}

.card {
    border: none;
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-soft);
    background: var(--bg-white);
    margin-bottom: 25px;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-3px);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid #f0f2f5;
    font-weight: 700;
    padding: 1.25rem 1.5rem;
    font-size: 1.1rem;
    color: var(--text-heading); /* ใช้สีหัวข้อ */
}

.card-body {
    padding: 1.5rem;
}

/* Stat Cards */
.stat-card {
    text-align: center;
    padding: 1.5rem 1rem !important;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.stat-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-card p {
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* =========================================
   6. Forms & Inputs
   ========================================= */
.form-control, 
.form-select {
    border-radius: var(--input-radius);
    border: 1px solid #eceff1;
    padding: 0.6rem 1rem;
    background-color: #f9fbfc;
    color: var(--text-body); /* ใช้สีเนื้อหา */
    font-size: 0.95rem;
}

.form-control:focus, 
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(38, 198, 218, 0.15);
    background-color: #fff;
}

.btn-primary {
    background-color: var(--primary-color)!important;
    border: none;
    border-radius: var(--input-radius);
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s;
    color: var(--primary-menu)!important;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-light {
    background-color: #f8f9fa;
    border: 1px solid #eceff1;
    color: var(--primary-color);
}
.btn-success
{
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: var(--primary-menu) !important;
}
.btn-outline-secondary {
    --bs-btn-color: var( --text-body) !important;
    --bs-btn-border-color: var(--primary-menu) !important;
    --bs-btn-hover-color: var(--text-body) !important;
    --bs-btn-hover-bg: var( --primary-menu) !important;
    --bs-btn-hover-border-color: var( --primary-color) !important;
    --bs-btn-focus-shadow-rgb: 108, 117, 125;

    --bs-gradient: none;
}
/* =========================================
   7. Tables
   ========================================= */
.table thead th {
    border-top: none;
    border-bottom: 2px solid #f0f2f5;
    color: var(--text-heading); /* ใช้สีหัวข้อ */
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    background-color: #fcfcfc;
}

.table tbody td {
    vertical-align: middle;
    border-bottom: 1px solid #f0f2f5;
    padding: 1rem 0.75rem;
    color: var(--text-body); /* ใช้สีเนื้อหา */
}

.table-hover tbody tr:hover {
    background-color: rgba(38, 198, 218, 0.05);
}

.badge {
    border-radius: 8px;
    padding: 6px 12px;
    font-weight: 600;
    font-size: 0.8rem;
}

/* =========================================
   8. FullCalendar Style
   ========================================= */
.fc .fc-toolbar-title {
    color: var(--text-heading);
}

.fc-daygrid-day-number {
    color: var(--text-body);
    text-decoration: none;
}

.kanit-thin {
  font-family: "Kanit", sans-serif;
  font-weight: 100;
  font-style: normal;
}

.kanit-extralight {
  font-family: "Kanit", sans-serif;
  font-weight: 200;
  font-style: normal;
}

.kanit-light {
  font-family: "Kanit", sans-serif;
  font-weight: 300;
  font-style: normal;
}

.kanit-regular {
  font-family: "Kanit", sans-serif;
  font-weight: 400;
  font-style: normal;
}

.kanit-medium {
  font-family: "Kanit", sans-serif;
  font-weight: 500;
  font-style: normal;
}

.kanit-semibold {
  font-family: "Kanit", sans-serif;
  font-weight: 600;
  font-style: normal;
}

.kanit-bold {
  font-family: "Kanit", sans-serif;
  font-weight: 700;
  font-style: normal;
}

.kanit-extrabold {
  font-family: "Kanit", sans-serif;
  font-weight: 800;
  font-style: normal;
}

.kanit-black {
  font-family: "Kanit", sans-serif;
  font-weight: 900;
  font-style: normal;
}

.kanit-thin-italic {
  font-family: "Kanit", sans-serif;
  font-weight: 100;
  font-style: italic;
}

.kanit-extralight-italic {
  font-family: "Kanit", sans-serif;
  font-weight: 200;
  font-style: italic;
}

.kanit-light-italic {
  font-family: "Kanit", sans-serif;
  font-weight: 300;
  font-style: italic;
}

.kanit-regular-italic {
  font-family: "Kanit", sans-serif;
  font-weight: 400;
  font-style: italic;
}

.kanit-medium-italic {
  font-family: "Kanit", sans-serif;
  font-weight: 500;
  font-style: italic;
}

.kanit-semibold-italic {
  font-family: "Kanit", sans-serif;
  font-weight: 600;
  font-style: italic;
}

.kanit-bold-italic {
  font-family: "Kanit", sans-serif;
  font-weight: 700;
  font-style: italic;
}

.kanit-extrabold-italic {
  font-family: "Kanit", sans-serif;
  font-weight: 800;
  font-style: italic;
}

.kanit-black-italic {
  font-family: "Kanit", sans-serif;
  font-weight: 900;
  font-style: italic;
}




/* === Layout Logic === */
#wrapper {
    display: flex;
    width: 100%;
    position: relative;
    transition: all 0.3s ease;
}

#sidebar-wrapper {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0; /* Desktop: Show by default */
    z-index: 1050;
    background: var(--primary-color);
    transition: all 0.3s ease;
    overflow-y: auto;
    box-shadow: 4px 0 10px rgba(0,0,0,0.05);
}

#page-content-wrapper {
    width: 100%;
    margin-left: var(--sidebar-width); /* Desktop: Push content */
    padding: 0;
    transition: all 0.3s ease;
    min-height: 100vh;
}

/* === Mobile Responsiveness (Screen < 768px) === */
@media (max-width: 768px) {
    /* ซ่อน Sidebar ไปทางซ้าย */
    #sidebar-wrapper {
        left: calc(-1 * var(--sidebar-width));
    }
    
    /* Content เต็มจอ */
    #page-content-wrapper {
        margin-left: 0;
    }

    /* เมื่อกดเปิดเมนู (Class 'toggled' จะถูกเติมด้วย JS) */
    #wrapper.toggled #sidebar-wrapper {
        left: 0;
        box-shadow: 5px 0 15px rgba(0,0,0,0.2);
    }

    /* Overlay (ฉากหลังดำจางๆ) */
    #wrapper.toggled::after {
        content: "";
        position: fixed;
        top: 0; 
        left: 0; 
        width: 100vw; 
        height: 100vh;
        background: rgba(0,0,0,0.4);
        z-index: 1040; /* อยู่หลัง Sidebar แต่อยู่หน้า Content */
        backdrop-filter: blur(2px);
    }
    
    /* ป้องกันการเลื่อนหน้าจอหลัง Overlay */
    body.menu-open {
        overflow: hidden;
    }
}

/* ... (CSS ส่วนอื่นๆ เช่น Card, Table, Form คงเดิม) ... */