/* นำเข้าฟอนต์ Sarabun จาก Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700&display=swap');

/* =========================================
   Master CSS - Premium POS System
   ========================================= */
:root {
    /* โทนสีหรูหรา มืออาชีพ */
    --primary-color: #0f172a; /* กรมท่าเข้มขรึม ดูแพง (Slate 900) */
    --accent-color: #3b82f6;  /* ฟ้าสว่าง สบายตา (Blue 500) */
    --accent-hover: #2563eb;  /* ฟ้าเข้มเวลาเอาเมาส์ชี้ */
    --bg-color: #f8fafc;      /* เทาอ่อนอมฟ้า สะอาดตา (Slate 50) */
    --surface-color: #ffffff; /* พื้นหลังการ์ด/ตาราง สีขาว */
    
    /* สีตัวอักษร */
    --text-main: #1e293b;     /* สีตัวอักษรหลัก (Slate 800) */
    --text-muted: #64748b;    /* สีตัวอักษรรอง (Slate 500) */
    --border-color: #e2e8f0;  /* สีเส้นขอบบางๆ สไตล์ Modern */
    
    /* สีสถานะการทำงาน */
    --danger-color: #ef4444;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    
    /* มิติเงา (หรูหราแบบมีมิติ ไม่แบนทื่อ) */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

body {
    margin: 0;
    font-family: 'Sarabun', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased; /* ช่วยให้ตัวอักษรคมชัดขึ้นบนหน้าจอ */
}

/* -------------------------------------
   แถบเมนูด้านบน (ลุค Premium)
------------------------------------- */
.top-navbar {
    background-color: var(--primary-color);
    color: white;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
    position: sticky; /* ลอยติดขอบบนสุดเวลาเลื่อนหน้าจอ */
    top: 0;
    z-index: 1000;
}

.top-navbar .logo {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.5px;
}

.top-navbar .logo span {
    color: var(--accent-color); /* เน้นคำให้ดูมีมิติ */
}

.top-navbar nav a {
    color: #cbd5e1;
    text-decoration: none;
    margin: 0 10px;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.top-navbar nav a:hover, .top-navbar nav a.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.top-navbar .user-info {
    font-size: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-logout {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 6px;
    font-weight: 600;
    border: 1px solid rgba(239, 68, 68, 0.3);
    transition: all 0.2s ease;
}

.btn-logout:hover {
    background-color: var(--danger-color);
    color: white;
}

/* -------------------------------------
   พื้นที่เนื้อหาหลัก
------------------------------------- */
.content-area {
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

/* -------------------------------------
   ตารางข้อมูล (เรียบหรู ดูง่าย คลีนๆ)
------------------------------------- */
.table-container {
    background: var(--surface-color);
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden; /* ไม่ให้มุมตารางทะลุขอบโค้ง */
    margin-top: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th, table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

table th {
    background-color: #f8fafc;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 0.5px;
}

table td {
    color: var(--text-main);
    font-size: 15px;
}

table tbody tr {
    transition: background-color 0.2s;
}

table tbody tr:hover {
    background-color: #f1f5f9;
}

table tbody tr:last-child td {
    border-bottom: none; /* เอาเส้นขอบล่างของแถวสุดท้ายออกให้ดูคลีน */
}

/* -------------------------------------
   ปุ่มทั่วไป
------------------------------------- */
.btn-primary {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Sarabun', sans-serif;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.3);
}

/* =========================================
   Standard UI System Overrides
   ใช้ปรับหน้าตาให้เป็นมาตรฐานเดียวกัน โดยไม่แตะ logic
   ========================================= */
:root {
    --ui-bg: #f4f7fb;
    --ui-surface: #ffffff;
    --ui-surface-soft: #f8fafc;
    --ui-border: #dbe4ef;
    --ui-border-strong: #cbd5e1;
    --ui-text: #172033;
    --ui-muted: #64748b;
    --ui-primary: #2563eb;
    --ui-primary-hover: #1d4ed8;
    --ui-success: #059669;
    --ui-warning: #d97706;
    --ui-danger: #dc2626;
    --ui-radius: 8px;
    --ui-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
    --ui-shadow-lg: 0 10px 24px rgba(15, 23, 42, 0.08);
}

html {
    font-size: 15px;
}

body {
    background: var(--ui-bg) !important;
    color: var(--ui-text) !important;
    letter-spacing: 0 !important;
}

* {
    box-sizing: border-box;
}

a {
    color: var(--ui-primary);
}

.sidebar {
    width: 264px !important;
    background: #111827 !important;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: none !important;
}

.logo-area {
    min-height: 64px;
    padding: 16px 18px !important;
    border-bottom-color: rgba(255, 255, 255, 0.08) !important;
}

.logo-icon {
    width: 34px !important;
    height: 34px !important;
    border-radius: var(--ui-radius) !important;
    background: var(--ui-primary) !important;
    box-shadow: none !important;
}

.logo-text {
    font-size: 17px !important;
    letter-spacing: 0 !important;
}

.nav-menu {
    padding: 10px !important;
}

.nav-item {
    min-height: 42px;
    padding: 10px 12px !important;
    border-radius: var(--ui-radius) !important;
    color: #cbd5e1 !important;
    font-size: 14px !important;
    line-height: 1.25 !important;
    box-shadow: none !important;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.08) !important;
}

.nav-item.active {
    background: var(--ui-primary) !important;
    color: #ffffff !important;
    box-shadow: none !important;
}

.sidebar-footer {
    padding: 14px !important;
    border-top-color: rgba(255, 255, 255, 0.08) !important;
}

.main-wrapper {
    background: var(--ui-bg);
}

.topbar {
    min-height: 64px !important;
    height: 64px !important;
    padding: 0 24px !important;
    border-bottom: 1px solid var(--ui-border);
    box-shadow: none !important;
}

.page-title,
.page-header-title,
.page-title h1 {
    color: var(--ui-text) !important;
    font-size: 21px !important;
    font-weight: 700 !important;
    letter-spacing: 0 !important;
}

.content-body {
    padding: 24px !important;
}

.content-area {
    max-width: 1440px !important;
    padding: 0 !important;
    margin: 0 auto !important;
}

.card,
.bill-card,
.inventory-card,
.daily-sales-container,
.pos-left,
.pos-right,
.login-card,
.stock-card,
.scanner-box,
.table-container,
[style*="background: white"],
[style*="background:#ffffff"],
[style*="background: #ffffff"] {
    border-radius: var(--ui-radius) !important;
    border: 1px solid var(--ui-border) !important;
    box-shadow: var(--ui-shadow) !important;
}

.inventory-card-header,
.daily-sales-header,
.bill-header,
.page-header,
.page-header-container {
    gap: 16px !important;
}

.page-header-container {
    margin-bottom: 18px !important;
}

input,
select,
textarea,
.form-control,
.login-input,
.barcode-input,
.barcode-input-lg,
.modal-input {
    min-height: 40px;
    border: 1px solid var(--ui-border-strong) !important;
    border-radius: var(--ui-radius) !important;
    background: #ffffff !important;
    color: var(--ui-text) !important;
    font-family: 'Sarabun', sans-serif !important;
    font-size: 14px !important;
    letter-spacing: 0 !important;
    box-shadow: none !important;
}

input:focus,
select:focus,
textarea:focus,
.form-control:focus,
.login-input:focus,
.barcode-input:focus,
.barcode-input-lg:focus,
.modal-input:focus {
    outline: none !important;
    border-color: var(--ui-primary) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12) !important;
}

label,
.form-label,
.input-label {
    color: #334155 !important;
    font-size: 13px !important;
    font-weight: 700 !important;
}

button,
.btn,
.btn-custom,
.btn-primary,
.btn-save-bill,
.btn-success,
.btn-pay,
.btn-top-pos,
.btn-hold,
.btn-retrieve,
.btn-clear,
.inv-action-btn,
.btn-print,
.btn-logout {
    border-radius: var(--ui-radius) !important;
    font-family: 'Sarabun', sans-serif !important;
    letter-spacing: 0 !important;
    box-shadow: none !important;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.15s ease !important;
}

button:hover,
.btn:hover,
.btn-custom:hover,
.btn-primary:hover,
.btn-save-bill:hover,
.btn-success:hover,
.btn-pay:hover,
.btn-top-pos:hover {
    transform: none !important;
}

.btn-primary,
.btn-stock_in,
.btn-top-pos {
    background: var(--ui-primary) !important;
    color: #ffffff !important;
}

.btn-primary:hover,
.btn-stock_in:hover,
.btn-top-pos:hover {
    background: var(--ui-primary-hover) !important;
}

.btn-add_product,
.btn-success,
.btn-pay {
    background: var(--ui-success) !important;
    color: #ffffff !important;
}

.btn-excel,
.btn-secondary {
    background: #e2e8f0 !important;
    color: #1f2937 !important;
    border: 1px solid var(--ui-border-strong) !important;
}

.btn-clear {
    border-color: #94a3b8 !important;
}

table,
.modern-inventory-table,
.bill-table,
.cart-table,
.sales-table {
    border-collapse: separate !important;
    border-spacing: 0 !important;
}

table th,
.modern-inventory-table th,
.bill-table th,
.cart-table th,
.sales-table th {
    background: var(--ui-surface-soft) !important;
    color: #475569 !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    letter-spacing: 0 !important;
    text-transform: none !important;
    border-bottom: 1px solid var(--ui-border) !important;
}

table td,
.modern-inventory-table td,
.bill-table td,
.cart-table td,
.sales-table td {
    border-bottom: 1px solid #edf2f7 !important;
}

tbody tr:hover {
    background: #f8fafc !important;
}

.badge-p,
.stock-card-status,
.status-badge {
    border-radius: 999px !important;
    letter-spacing: 0 !important;
    text-transform: none !important;
}

.pos-layout {
    gap: 18px !important;
}

.pos-left,
.pos-right {
    border-radius: var(--ui-radius) !important;
}

.pos-right {
    background: #111827 !important;
}

.total-price {
    letter-spacing: 0 !important;
}

.login-wrapper {
    background: var(--ui-bg) !important;
}

.login-card {
    max-width: 400px !important;
    padding: 34px 30px !important;
}

.logo-circle {
    border-radius: var(--ui-radius) !important;
    background: var(--ui-primary) !important;
    transform: none !important;
}

.logo-circle .material-symbols-rounded {
    transform: none !important;
}

.alert-danger {
    border-radius: var(--ui-radius) !important;
}

@media (max-width: 1024px) {
    body {
        overflow: auto !important;
        height: auto !important;
        min-height: 100vh;
    }

    .sidebar {
        width: 220px !important;
    }

    .content-body {
        padding: 18px !important;
    }

    .pos-layout,
    .grid-layout {
        grid-template-columns: 1fr !important;
        height: auto !important;
    }
}

@media (max-width: 760px) {
    body {
        display: block !important;
    }

    .sidebar {
        width: 100% !important;
        max-height: none;
    }

    .nav-menu {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 6px;
    }

    .main-wrapper {
        min-height: 100vh;
    }

    .topbar {
        padding: 0 14px !important;
    }

    .content-body {
        padding: 14px !important;
    }

    .page-header-container,
    .inventory-card-header,
    .daily-sales-header {
        align-items: stretch !important;
        flex-direction: column !important;
    }

    .btn-group-action {
        flex-direction: column;
        width: 100%;
    }

    .btn-custom,
    .btn-top-pos {
        justify-content: center;
        width: 100%;
    }
}

/* =========================================
   Top Menu Layout
   เปลี่ยนเมนูหลักจาก sidebar เป็นแถบบน โดยคง HTML/logic เดิม
   ========================================= */
body {
    display: flex !important;
    flex-direction: column !important;
    height: 100vh !important;
    overflow: hidden !important;
}

.sidebar {
    width: 100% !important;
    min-height: 66px !important;
    height: auto !important;
    flex-direction: row !important;
    align-items: center !important;
    background: #111827 !important;
    border-right: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-area {
    width: auto !important;
    min-width: 178px;
    min-height: 66px !important;
    border-bottom: none !important;
    border-right: 1px solid rgba(255, 255, 255, 0.08) !important;
    flex: 0 0 auto;
}

.nav-menu {
    flex: 1 1 auto !important;
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
    padding: 10px 12px !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    white-space: nowrap !important;
}

.nav-menu::-webkit-scrollbar {
    height: 6px;
}

.nav-menu::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.18);
    border-radius: 999px;
}

.nav-item {
    flex: 0 0 auto !important;
    margin-bottom: 0 !important;
    min-height: 42px !important;
    padding: 9px 12px !important;
}

.sidebar-footer {
    position: fixed !important;
    top: 66px;
    right: 32px;
    height: 58px;
    min-height: 58px;
    display: flex !important;
    align-items: center !important;
    gap: 14px !important;
    padding: 8px 0 !important;
    background: transparent !important;
    border: none !important;
    z-index: 1001;
}

.sidebar-footer .user-profile {
    min-width: 118px;
}

.sidebar-footer .user-profile > div:last-child > div:first-child {
    color: var(--ui-text) !important;
}

.sidebar-footer .user-profile > div:last-child > div:last-child {
    color: var(--ui-muted) !important;
}

.sidebar-footer .avatar {
    background: #e2e8f0 !important;
    color: #0f172a !important;
}

.sidebar-footer .btn-logout {
    margin-top: 0 !important;
    padding: 8px 10px !important;
    white-space: nowrap;
    background: #fff1f2 !important;
    color: var(--ui-danger) !important;
    border-color: #fecdd3 !important;
}

.sidebar-footer .btn-logout:hover {
    background: var(--ui-danger) !important;
    color: #ffffff !important;
}

.topbar {
    padding-right: 360px !important;
}

.main-wrapper {
    width: 100% !important;
    min-width: 0;
    flex: 1 1 auto !important;
}

.topbar {
    min-height: 58px !important;
    height: 58px !important;
}

.content-body {
    min-height: 0;
}

@media (max-width: 980px) {
    .sidebar {
        align-items: stretch !important;
        flex-wrap: wrap;
    }

    .logo-area {
        min-width: 150px;
    }

    .nav-menu {
        order: 3;
        width: 100%;
        flex-basis: 100% !important;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .sidebar-footer {
        position: static !important;
        margin-left: auto;
        padding-right: 12px !important;
        border-left: none !important;
        color: #ffffff !important;
    }

    .sidebar-footer .user-profile > div:last-child > div:first-child {
        color: #ffffff !important;
    }

    .sidebar-footer .user-profile > div:last-child > div:last-child {
        color: #cbd5e1 !important;
    }

    .topbar {
        padding-right: 24px !important;
    }
}

@media (max-width: 760px) {
    body {
        display: flex !important;
        height: 100vh !important;
        overflow: hidden !important;
    }

    .sidebar {
        width: 100% !important;
    }

    .nav-menu {
        display: flex !important;
        grid-template-columns: none !important;
    }

    .nav-item {
        width: auto !important;
    }

    .sidebar-footer {
        width: auto;
    }
}