/* ============================================
   GLOBAL BASE CSS - ROOT VARIABLES SYSTEM
   ============================================
   সব app এর জন্য (walls বাদে)
   Root variables দিয়ে সব কিছু customize করা যাবে
   Navbar এবং Content: 1% padding (বড় screen)
   Mobile: 2-3% padding (ছোট screen)
   ============================================ */

:root {
    /* ========== Layout Control ========== */
    --global-max-width: 100%;
    --global-content-padding: 0;
    --global-content-margin: 0;
    --global-container-padding: 0;
    
    /* ========== Colors ========== */
    --global-primary: #4361EE;
    --global-secondary: #3A0CA3;
    --global-accent: #F72585;
    --global-dark: #2B2D42;
    --global-light: #FFFFFF;
    --global-light-bg: #F0F2F5;
    --global-light-gray: #E9ECEF;
    --global-gray: #DEE2E6;
    --global-text: #2B2D42;
    --global-text-light: #6C757D;
    --global-border: #e9ecef;
    --global-success: #4caf50;
    --global-danger: #e74c3c;
    --global-warning: #f59e0b;
    --global-info: #3b82f6;
    
    /* ========== Navbar ========== */
    --global-navbar-height: 70px;
    --global-navbar-bg: rgba(255, 255, 255, 0.95);
    --global-navbar-padding: 0.5rem 0;
    --global-navbar-container-padding-left: 0;
    --global-navbar-container-padding-right: 0;
    
    /* ========== Spacing ========== */
    --global-padding: 20px;
    --global-padding-lg: 30px;
    --global-padding-md: 20px;
    --global-padding-sm: 15px;
    --global-padding-xs: 10px;
    --global-margin: 20px;
    --global-margin-lg: 30px;
    --global-margin-md: 20px;
    --global-margin-sm: 15px;
    --global-margin-xs: 10px;
    
    /* ========== Border Radius ========== */
    --global-radius: 12px;
    --global-radius-lg: 16px;
    --global-radius-md: 12px;
    --global-radius-sm: 8px;
    --global-radius-xs: 6px;
    --global-radius-full: 50%;
    
    /* ========== Shadows ========== */
    --global-shadow: 0 2px 8px rgba(0,0,0,0.1);
    --global-shadow-hover: 0 4px 12px rgba(0,0,0,0.15);
    --global-shadow-lg: 0 6px 20px rgba(67, 97, 238, 0.4);
    --global-box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    
    /* ========== Typography ========== */
    --global-font-family: 'Hind Siliguri', 'Noto Sans Bengali', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --global-font-size-base: 1rem;
    --global-line-height: 1.6;
    --global-font-weight-normal: 400;
    --global-font-weight-medium: 500;
    --global-font-weight-semibold: 600;
    --global-font-weight-bold: 700;
    
    /* ========== Transitions ========== */
    --global-transition: all 0.3s ease;
    
    /* ========== Z-index ========== */
    --global-z-navbar: 1030;
    --global-z-dropdown: 1050;
    --global-z-modal: 1100;
}

/* ============================================
   GLOBAL RESET - NO LEFT/RIGHT PADDING/MARGIN/BORDER
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ✅ GLOBAL: বাম-ডান কোন padding, margin, border নেই */
html, body {
    margin: 0 !important;
    padding: 0 !important;
    border-left: none !important;
    border-right: none !important;
}

body {
    font-family: var(--global-font-family) !important;
    background: var(--global-light-bg);
    padding-top: var(--global-navbar-height);
    padding-left: 0 !important;
    padding-right: 0 !important;
    min-height: 100vh;
    color: var(--global-text);
    line-height: var(--global-line-height);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ✅ সব container, row, col - বাম-ডান padding/margin/border নেই */
.container,
.container-fluid,
.row,
[class*="col-"] {
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    border-left: none !important;
    border-right: none !important;
}

/* ============================================
   MAIN CONTENT - NO LEFT/RIGHT PADDING/MARGIN/BORDER
   ============================================ */

.main-content {
    margin: 0 !important;
    padding: 20px 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    border-left: none !important;
    border-right: none !important;
    min-height: calc(100vh - var(--global-navbar-height));
    width: 100%;
    max-width: 100%;
}

/* ============================================
   NAVBAR - NO LEFT/RIGHT PADDING/MARGIN/BORDER
   ============================================ */

.navbar {
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    border-left: none !important;
    border-right: none !important;
}

.navbar > .container,
.navbar > .container-fluid {
    padding-left: 0 !important;
    padding-right: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    border-left: none !important;
    border-right: none !important;
    max-width: 100% !important;
}

/* ============================================
   FONT AWESOME ICONS - ENSURE WORKING
   ============================================ */

.fa, .fas, .far, .fal, .fab {
    font-family: "Font Awesome 6 Free", "Font Awesome 6 Pro", "Font Awesome 6 Brands" !important;
    font-weight: 900;
    font-style: normal;
    font-variant: normal;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    display: inline-block;
}

.far {
    font-weight: 400;
}

.fab {
    font-family: "Font Awesome 6 Brands" !important;
    font-weight: 400;
}

/* ============================================
   RESPONSIVE - MOBILE ADJUSTMENTS
   ============================================ */

@media (max-width: 768px) {
    :root {
        --global-navbar-height: 60px;
    }
    
    /* Mobile: No padding */
    .navbar > .container,
    .navbar > .container-fluid {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    
    .main-content {
        padding: 20px 0;
    }
}

@media (max-width: 576px) {
    :root {
        --global-navbar-height: 56px;
    }
    
    /* Small mobile: No padding */
    .navbar > .container,
    .navbar > .container-fluid {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    
    .main-content {
        padding: 15px 0;
    }
}


/* ============================================
   MOBILE ZERO PADDING POLICY
   Below 768px: all main containers → padding:0, margin:0, full width
   Desktop: centered + standard padding preserved
   ============================================ */

@media (max-width: 767px) {
    /* Full-width zero-pad on mobile */
    body {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    .container,
    .container-fluid,
    .container-sm,
    .container-md,
    .container-lg,
    .container-xl,
    .container-xxl {
        padding-left: 0 !important;
        padding-right: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        max-width: 100% !important;
        width: 100% !important;
    }

    .row {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    [class*="col-"] {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    .main-content {
        padding-left: 0 !important;
        padding-right: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    /* Utility: force full width on mobile */
    .mobile-full-width {
        width: 100% !important;
        max-width: 100% !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    .mobile-no-pad {
        padding: 0 !important;
        margin: 0 !important;
    }
}

/* ============================================
   REUSABLE HORIZONTAL SCROLLER — .hscroll-section
   Works on all screen sizes, most useful on mobile.
   Usage:
     <div class="hscroll-section">
       <div class="hscroll-track">
         <div class="hscroll-item">...</div>
       </div>
       <button class="hscroll-prev">‹</button>
       <button class="hscroll-next">›</button>
     </div>
   ============================================ */

.hscroll-section {
    position: relative;
    width: 100%;
    overflow: hidden;
}

/* The scrollable track */
.hscroll-track {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 12px;
    padding: 6px 12px 12px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;          /* Firefox */
    scroll-behavior: smooth;
}

.hscroll-track::-webkit-scrollbar {
    display: none;                  /* Chrome/Safari */
}

/* Each item snaps into place */
.hscroll-item {
    flex: 0 0 auto;
    scroll-snap-align: start;
}

/* ── Floating navigation arrows ── */
.hscroll-prev,
.hscroll-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
    color: var(--global-text, #2B2D42);
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, box-shadow 0.2s, opacity 0.2s;
    opacity: 0.85;
    -webkit-tap-highlight-color: transparent;
}

.hscroll-prev:hover,
.hscroll-next:hover {
    background: #fff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
    opacity: 1;
}

.hscroll-prev {
    left: 4px;
}

.hscroll-next {
    right: 4px;
}

/* Hide arrows when not needed (JS adds .hscroll-at-start / .hscroll-at-end) */
.hscroll-section.hscroll-at-start .hscroll-prev {
    opacity: 0;
    pointer-events: none;
}

.hscroll-section.hscroll-at-end .hscroll-next {
    opacity: 0;
    pointer-events: none;
}

/* On desktop, arrows are always visible if content overflows */
@media (max-width: 767px) {
    /* Slightly smaller arrows on mobile */
    .hscroll-prev,
    .hscroll-next {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }
}

/* ============================================
   MODERN CARD UTILITY
   ============================================ */

.card-modern {
    background: #fff;
    border-radius: var(--global-radius, 12px);
    box-shadow: var(--global-shadow, 0 2px 8px rgba(0,0,0,0.1));
    border: 1px solid var(--global-border, #e9ecef);
    transition: box-shadow 0.2s ease;
}

.card-modern:hover {
    box-shadow: var(--global-shadow-hover, 0 4px 12px rgba(0,0,0,0.15));
}

/* ============================================
   MODAL BACKDROP FIX - NO BOOTSTRAP BACKDROP
   ============================================ */

/* Disable Bootstrap default backdrop */
.modal-backdrop {
    display: none !important;
}

/* Use modal itself as backdrop */
.modal {
    background-color: transparent;
    transition: background-color 0.15s ease-in-out;
}

.modal.show {
    background-color: rgba(0, 0, 0, 0.5) !important;
}

/* Ensure modal content is above backdrop */
.modal-dialog {
    position: relative;
    z-index: 1;
}

/* Fix body scroll when modal is open */
body.modal-open {
    overflow: hidden !important;
    padding-right: 0 !important;
}

/* Click outside modal to close */
.modal.show {
    pointer-events: auto;
}

.modal-dialog {
    pointer-events: none;
}

.modal-content {
    pointer-events: auto;
}