/* ==========================================================================
   ZS PAY - METALLIC GOLD & OBSIDIAN DESIGN SYSTEM V3.0 (PRESERVE UI FIX)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Prompt:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400&display=swap');

:root {
    /* Color System */
    --zs-bg-base: #020407;
    --zs-bg-surface: #070b12;
    --zs-bg-card: rgba(12, 18, 29, 0.75);
    --zs-bg-card-hover: rgba(18, 26, 42, 0.85);
    
    /* Gold Metallic Gradients & Tones */
    --zs-gold-primary: #f3e5ab;
    --zs-gold-light: #fff5c0;
    --zs-gold-dark: #c59b27;
    --zs-gold-gradient: linear-gradient(135deg, #bf953f 0%, #fcf6ba 25%, #b38728 50%, #fbf5b7 75%, #aa771c 100%);
    --zs-gold-glow: 0 0 35px rgba(243, 229, 171, 0.18);
    --zs-gold-glow-strong: 0 0 50px rgba(243, 229, 171, 0.35);

    /* Functional Colors */
    --zs-success: #10b981;
    --zs-success-glow: rgba(16, 185, 129, 0.25);
    --zs-text-main: #f8fafc;
    --zs-text-muted: #94a3b8;
    --zs-border-light: rgba(255, 255, 255, 0.06);
    --zs-border-gold: rgba(243, 229, 171, 0.25);

    /* Geometry & Radius */
    --zs-radius-sm: 8px;
    --zs-radius-md: 14px;
    --zs-radius-lg: 24px;
    --zs-radius-full: 9999px;
    
    /* Transitions */
    --zs-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 1. ล็อกไม่ให้หน้า Body เลื่อนออกข้างเด็ดขาด */
html, body {
    max-width: 100% !important;
    overflow-x: hidden !important;
    position: relative;
}

/* ==========================================================================
   FontAwesome Icon Preservation Fix
   ========================================================================== */
.fa, .fas, .far, .fal, .fad, .fab, [class*=" fa-"], [class^="fa-"] {
    font-family: "Font Awesome 5 Free", "Font Awesome 6 Free", FontAwesome !important;
    display: inline-block !important;
    font-style: normal !important;
    font-variant: normal !important;
    text-rendering: auto !important;
    line-height: 1 !important;
}

/* ==========================================================================
   Navigation Bar & Layout Core
   ========================================================================== */
.zs-pay-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    background: rgba(2, 4, 7, 0.85) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--zs-border-light);
    padding: 16px 0;
}

.zs-layout-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

.zs-pay-nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.zs-pay-brand {
    font-size: 1.85rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    text-decoration: none;
    color: var(--zs-text-main) !important;
}

.zs-pay-brand span {
    background: var(--zs-gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.zs-pay-nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    align-items: center;
    margin: 0;
    padding: 0;
}

.zs-pay-nav-links a,
.zs-nav-link-btn {
    background: none;
    border: none;
    color: var(--zs-text-muted) !important;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--zs-transition);
    font-family: 'Prompt', sans-serif;
}

.zs-pay-nav-links a:hover,
.zs-nav-link-btn:hover {
    color: var(--zs-gold-primary) !important;
}

.zs-pay-auth-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* ==========================================================================
   Button System Fix (Preserving Original Colors & Hover Glows)
   ========================================================================== */
.zs-btn-login,
a.zs-btn-login,
button.zs-btn-login {
    display: inline-flex !important;
    justify-content: center !important;
    align-items: center !important;
    padding: 10px 0 !important; /* ปรับเป็น 0 เพื่อไม่ให้ดันข้าง */
    width: 140px !important;    /* หรือใช้ min-width: 140px !important; */
    border-radius: 10px;
    font-weight: 700 !important;
    font-size: 0.9rem !important;
    text-decoration: none !important;
    cursor: pointer !important;
    background: linear-gradient(135deg, #5d6f79 0%, #bdccf3 25%, #7a8e98 50%, #c6d6dd 75%, #475861 100%) !important;
    border: 1px solid rgba(189, 204, 211, 0.5) !important;
    color: #020407 !important;
    box-shadow: 0 4px 20px rgba(189, 204, 211, 0.3) !important;
    transition: var(--zs-transition) !important;
}

.zs-btn-login:hover {
    color: #020407 !important;
    transform: translateY(-2px);
    background: linear-gradient(135deg, #677b87 0%, #c9d8e0 25%, #879ca7 50%, #d2e1e8 75%, #50626c 100%) !important;
    border-color: rgba(201, 216, 224, 0.8) !important;
    box-shadow: 0 6px 28px rgba(201, 216, 224, 0.5) !important;
    filter: brightness(1.12);
}

.zs-btn-register,
a.zs-btn-register,
button.zs-btn-register {
    display: inline-flex !important;
    justify-content: center !important;
    align-items: center !important;
    padding: 10px 0 !important; /* ปรับเป็น 0 เพื่อไม่ให้ดันข้าง */
    width: 140px !important;    /* หรือใช้ min-width: 140px !important; */
    border-radius: 10px;
    font-weight: 700 !important;
    font-size: 0.9rem !important;
    text-decoration: none !important;
    cursor: pointer !important;
    background: var(--zs-gold-gradient) !important;
    border: 1px solid rgba(243, 229, 171, 0.4) !important;
    color: #020407 !important;
    box-shadow: 0 4px 20px rgba(179, 135, 40, 0.25) !important;
    transition: var(--zs-transition) !important;
}

.zs-btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(253, 246, 186, 0.4) !important;
    filter: brightness(1.08);
}

.zs-btn-glass {
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid var(--zs-border-gold) !important;
    color: var(--zs-gold-primary) !important;
    padding: 12px 24px !important;
    border-radius: var(--zs-radius-md) !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    text-decoration: none !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    transition: var(--zs-transition) !important;
}

.zs-btn-glass:hover {
    background: rgba(243, 229, 171, 0.12) !important;
    box-shadow: var(--zs-gold-glow) !important;
}

.zs-btn-gold-solid {
    background: var(--zs-gold-gradient) !important;
    border: none !important;
    color: #020407 !important;
    padding: 12px 28px !important;
    border-radius: var(--zs-radius-md) !important;
    font-weight: 700 !important;
    cursor: pointer !important;
    text-decoration: none !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    box-shadow: 0 4px 20px rgba(179, 135, 40, 0.3) !important;
    transition: var(--zs-transition) !important;
}

.zs-btn-gold-solid:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(253, 246, 186, 0.45) !important;
    filter: brightness(1.08);
}

/* ==========================================================================
   Mobile Drawer & Overlay System
   ========================================================================== */
.zs-mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--zs-text-main);
    font-size: 1.8rem;
    cursor: pointer;
    line-height: 1;
}

.zs-mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    z-index: 1090;
    opacity: 0;
    visibility: hidden;
    transition: var(--zs-transition);
}

.zs-mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

.zs-mobile-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: var(--zs-bg-surface);
    border-left: 1px solid var(--zs-border-gold);
    z-index: 1100;
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.8);
}

.zs-mobile-drawer.active {
    transform: translateX(-320px);
}

.zs-mobile-drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--zs-border-light);
    margin-bottom: 24px;
}

.zs-mobile-close-btn {
    background: none;
    border: none;
    color: var(--zs-text-muted);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--zs-transition);
}

.zs-mobile-close-btn:hover {
    color: var(--zs-gold-primary);
}

.zs-mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: auto;
    padding: 0;
}

.zs-mobile-nav-links .zs-nav-link-btn {
    font-size: 1.1rem;
    width: 100%;
    text-align: left;
    padding: 8px 0;
}

.zs-mobile-auth-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--zs-border-light);
}

.zs-mobile-auth-actions .zs-btn-login,
.zs-mobile-auth-actions .zs-btn-register {
    width: 100% !important;
}

/* ==========================================================================
   Sections & Layout Components
   ========================================================================== */
.zs-pay-section {
    padding: 90px 0;
}

.zs-section-title {
    font-size: 2.25rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 8px;
}

.zs-section-subtitle {
    text-align: center;
    color: var(--zs-text-muted);
    font-size: 1rem;
    margin-bottom: 32px;
}

.zs-pay-hero {
    padding: 180px 0 80px;
    position: relative;
    background: radial-gradient(circle at 50% 15%, rgba(191, 149, 63, 0.1) 0%, rgba(2, 4, 7, 0) 65%);
}

.zs-pay-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--zs-border-light);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--zs-text-muted);
}

/* จุดไฟสถานะสีเขียว (Pulse Glow) สไตล์สถาปัตยกรรมระบบ enterprise */
.zs-status-dot {
    width: 7px;
    height: 7px;
    background-color: var(--zs-success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--zs-success);
    display: inline-block;
}

.zs-status-text {
    font-weight: 700;
    color: var(--zs-success);
    letter-spacing: 0.5px;
    font-size: 0.75rem;
}

.zs-tag-divider {
    opacity: 0.3;
}

.zs-pay-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.zs-text-gold-metallic {
    background: var(--zs-gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.zs-pay-hero-desc {
    color: var(--zs-text-muted);
    font-size: 1.125rem;
    margin-bottom: 36px;
    max-width: 600px;
}

.zs-pay-hero-actions {
    display: flex;
    gap: 16px;
}

.zs-pay-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 64px;
}

.zs-pay-stat-card {
    background: var(--zs-bg-card);
    border: 1px solid var(--zs-border-light);
    border-radius: var(--zs-radius-md);
    padding: 24px 20px;
    text-align: center;
    backdrop-filter: blur(12px);
    transition: var(--zs-transition);
}

.zs-pay-stat-card:hover {
    border-color: var(--zs-border-gold);
    box-shadow: var(--zs-gold-glow);
    transform: translateY(-4px);
}

.zs-pay-stat-num {
    font-size: 2.25rem;
    font-weight: 900;
    background: var(--zs-gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.zs-pay-stat-label {
    font-size: 0.875rem;
    color: var(--zs-text-muted);
    margin-top: 6px;
    font-weight: 500;
}

.zs-pay-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.zs-pay-card {
    background: var(--zs-bg-card);
    border: 1px solid var(--zs-border-light);
    border-radius: var(--zs-radius-lg);
    padding: 40px 32px;
    position: relative;
    backdrop-filter: blur(12px);
    transition: var(--zs-transition);
}

.zs-pay-card:hover {
    border-color: var(--zs-gold-primary);
    transform: translateY(-6px);
    box-shadow: var(--zs-gold-glow-strong);
    background: var(--zs-bg-card-hover);
}

.zs-pay-card-icon {
    font-size: 2.25rem;
    margin-bottom: 20px;
    display: inline-block;
    color: var(--zs-gold-primary);
}

.zs-pay-card-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--zs-text-main);
}

.zs-pay-card-desc {
    color: var(--zs-text-muted);
    font-size: 0.975rem;
}

.zs-pay-step-badge {
    width: 40px;
    height: 40px;
    background: var(--zs-gold-gradient);
    color: #020407;
    font-weight: 800;
    border-radius: var(--zs-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    box-shadow: 0 4px 15px rgba(179, 135, 40, 0.2);
}

.zs-pay-pricing-container {
    background: var(--zs-bg-card);
    border: 1px solid var(--zs-border-gold);
    border-radius: var(--zs-radius-lg);
    padding: 48px;
    margin-top: 48px;
    box-shadow: var(--zs-gold-glow);
    backdrop-filter: blur(16px);
}

.zs-pricing-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 28px 0;
}

/* Header กำหนดหัวข้อซ้าย-ขวา */
.zs-pricing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px 12px 16px;
    border-bottom: 1px solid var(--zs-border-light);
    margin-bottom: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--zs-text-muted);
}

/* Item คงกรอบ แบ็กกราวด์ และ Border ของเดิมไว้ */
.zs-pricing-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px; /* ปรับลดลงนิดหน่อยจาก 16px 24px ให้กระชับขึ้น */
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--zs-radius-md);
    border: 1px solid var(--zs-border-light);
    font-size: 0.95rem;
    white-space: nowrap; /* เพิ่มจุดนี้เพื่อล็อกไม่ให้ข้อความตกบรรทัด */
    transition: var(--zs-transition);
}

.zs-pricing-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.15);
}

.zs-pricing-item.zs-max-rate {
    background: rgba(243, 229, 171, 0.08);
    border-color: var(--zs-border-gold);
    font-weight: 700;
}

.zs-pay-footer {
    border-top: 1px solid var(--zs-border-light);
    padding: 80px 0 36px;
    background: #010204;
    margin-top: 100px;
}

.zs-pay-footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 48px;
}

.zs-footer-desc {
    color: var(--zs-text-muted);
    font-size: 0.9rem;
    margin-top: 12px;
    max-width: 320px;
}

.zs-pay-footer-col h4 {
    color: var(--zs-text-main);
    margin-bottom: 20px;
    font-size: 1.15rem;
    font-weight: 600;
}

.zs-pay-footer-col ul {
    list-style: none;
    padding: 0;
}

.zs-pay-footer-col li {
    margin-bottom: 12px;
}

.zs-pay-footer-col a {
    color: var(--zs-text-muted);
    text-decoration: none;
    font-size: 0.925rem;
    transition: var(--zs-transition);
}

.zs-pay-footer-col a:hover {
    color: var(--zs-gold-primary);
    padding-left: 4px;
}

.zs-footer-copyright {
    text-align: center;
    border-top: 1px solid var(--zs-border-light);
    padding-top: 24px;
    color: var(--zs-text-muted);
    font-size: 0.85rem;
}

/* ==========================================================================
   ZS PAY - MOBILE RESPONSIVE OPTIMIZATION V3.0 (MAX-WIDTH: 768PX)
   ========================================================================== */

@media (max-width: 768px) {
    /* ----------------------------------------------------------------------
       1. Global Layout & Typography Downscaling
       ---------------------------------------------------------------------- */
    .zs-layout-container {
        padding: 0 16px !important;
    }

    .zs-pay-section {
        padding: 48px 0 !important;
    }

    .zs-section-title {
        font-size: 1.6rem !important;
        line-height: 1.25 !important;
    }

    .zs-section-subtitle {
        font-size: 0.875rem !important;
        margin-bottom: 24px !important;
    }

    /* ----------------------------------------------------------------------
       2. Navigation Bar
       ---------------------------------------------------------------------- */
    .zs-pay-navbar {
        padding: 12px 0 !important;
    }

    .zs-pay-brand {
        font-size: 1.4rem !important;
    }

    .zs-mobile-menu-btn {
        display: block !important;
        font-size: 1.5rem !important;
    }

    .zs-pay-nav-links, 
    .zs-pay-auth-actions {
        display: none !important;
    }

    /* ----------------------------------------------------------------------
       3. Hero Section
       ---------------------------------------------------------------------- */
    .zs-pay-hero {
        padding: 100px 0 40px !important;
        text-align: center !important;
    }

    .zs-pay-hero-tag {
        font-size: 0.75rem !important;
        padding: 4px 12px !important;
        margin-bottom: 16px !important;
    }

    .zs-status-text {
        font-size: 0.7rem !important;
    }
	
    .zs-pay-hero-title {
        font-size: 1.85rem !important;
        line-height: 1.2 !important;
        margin-bottom: 14px !important;
        letter-spacing: -0.3px !important;
    }

    .zs-pay-hero-desc {
        font-size: 0.9rem !important;
        margin: 0 auto 24px auto !important;
        line-height: 1.5 !important;
    }

    .zs-pay-hero-actions {
        flex-direction: column !important;
        width: 100% !important;
        gap: 10px !important;
    }

    .zs-pay-hero-actions .zs-btn-gold-solid,
    .zs-pay-hero-actions .zs-btn-glass {
        width: 100% !important;
        padding: 10px 16px !important;
        font-size: 0.875rem !important;
    }

    /* ----------------------------------------------------------------------
       4. Stats Grid
       ---------------------------------------------------------------------- */
    .zs-pay-stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
        margin-top: 36px !important;
    }

    .zs-pay-stat-card {
        padding: 14px 10px !important;
        border-radius: var(--zs-radius-sm) !important;
    }

    .zs-pay-stat-num {
        font-size: 1.5rem !important;
    }

    .zs-pay-stat-label {
        font-size: 0.75rem !important;
        margin-top: 2px !important;
    }

    /* ----------------------------------------------------------------------
       5. Cards & Features Grid
       ---------------------------------------------------------------------- */
    .zs-pay-cards-grid {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
        margin-top: 24px !important;
    }

    .zs-pay-card {
        padding: 20px 18px !important;
        border-radius: var(--zs-radius-md) !important;
    }

    .zs-pay-card-icon {
        font-size: 1.6rem !important;
        margin-bottom: 12px !important;
    }

    .zs-pay-card-title {
        font-size: 1.1rem !important;
        margin-bottom: 8px !important;
    }

    .zs-pay-card-desc {
        font-size: 0.85rem !important;
        line-height: 1.45 !important;
    }

    .zs-pay-step-badge {
        width: 32px !important;
        height: 32px !important;
        font-size: 0.85rem !important;
        margin-bottom: 12px !important;
    }

    /* ----------------------------------------------------------------------
       6. Pricing Table Section
       ---------------------------------------------------------------------- */
    .zs-pay-pricing-container {
        padding: 20px 16px !important;
        margin-top: 24px !important;
        border-radius: var(--zs-radius-md) !important;
    }

    .zs-pricing-header {
        font-size: 0.75rem !important;
        padding: 0 12px 8px 12px !important;
        margin-bottom: 8px !important;
    }

    .zs-pricing-list {
        gap: 8px !important;
        margin: 16px 0 !important;
    }

    .zs-pricing-item {
        padding: 10px 12px !important;
        font-size: 0.75rem !important;
        border-radius: var(--zs-radius-sm) !important;
    }

    /* ปรับขนาดตัวหนังสือสำหรับ <span> ทั้งสองฝั่ง */
    .zs-pricing-item span {
        font-size: 0.75rem !important;
    }

    /* ปรับขนาดปุ่มสมัครสมาชิกด้านล่างให้สมส่วนกับข้อความที่เล็กลง */
    .zs-pay-pricing-container .zs-btn-gold-solid {
        font-size: 0.85rem !important;
        padding: 10px 16px !important;
    }
    /* ----------------------------------------------------------------------
       7. Footer Section
       ---------------------------------------------------------------------- */
    .zs-pay-footer {
        padding: 40px 0 24px !important;
        margin-top: 48px !important;
    }

    .zs-pay-footer-grid {
        grid-template-columns: 1fr !important;
        gap: 24px !important;
        margin-bottom: 32px !important;
        text-align: center !important;
    }

    .zs-footer-desc {
        max-width: 100% !important;
        margin: 8px auto 0 auto !important;
        font-size: 0.825rem !important;
    }

    .zs-pay-footer-col h4 {
        margin-bottom: 12px !important;
        font-size: 1rem !important;
    }

    .zs-pay-footer-col li {
        margin-bottom: 8px !important;
    }

    .zs-pay-footer-col a {
        font-size: 0.85rem !important;
    }

    .zs-footer-copyright {
        padding-top: 16px !important;
        font-size: 0.75rem !important;
    }
}