/* --- Modern Minimal Design Variables --- */
:root {
    --uuc-primary: #0d6efd; /* স্ক্রিনশটের মতো নীল রঙ */
    --uuc-primary-hover: #0b5ed7;
    --uuc-bg-main: #ffffff;
    --uuc-card-bg: #ffffff;
    --uuc-text-main: #212529;
    --uuc-text-dim: #6c757d;
    --uuc-border: #dee2e6;
    --uuc-input-bg: #ffffff;
    --uuc-input-border: #ced4da;
    --uuc-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --uuc-radius: 12px;
}

[data-theme="dark"] {
    --uuc-primary: #3b82f6;
    --uuc-bg-main: #121212;
    --uuc-card-bg: #1e1e1e;
    --uuc-text-main: #f8f9fa;
    --uuc-text-dim: #adb5bd;
    --uuc-border: #343a40;
    --uuc-input-bg: #2b2b2b;
    --uuc-input-border: #495057;
}

.uuc-modern-wrapper {
    max-width: 1200px;
    margin: 2rem 1rem;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--uuc-text-main);
    background: transparent;
}

/* ================================
   TOP BAR (Title, Search, Toggle)
   ================================ */
.uuc-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 15px;
}

.uuc-page-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: var(--uuc-text-main);
}

.uuc-page-title span {
    color: var(--uuc-text-dim);
    font-weight: 400;
}

.uuc-top-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Search Box Styling (As per screenshot) */
.uuc-smart-search-wrap {
    position: relative;
}

.uuc-search-inner {
    display: flex;
    align-items: center;
    background: #c1c1c138;
    border: 1px solid var(--uuc-border);
    border-radius: 8px;
    width: 350px;
    box-shadow: var(--uuc-shadow-sm);
}

.uuc-search-inner input {
    background: transparent;
    border: none;
    outline: none;
    margin-left: 10px;
    width: 100%;
    color: var(--uuc-text-main);
    font-size: 14px;
}

.uuc-search-inner input::placeholder {
    color: var(--uuc-text-dim);
}

/* Dark Mode Toggle Button (Square outline as per screenshot) */
.uuc-dark-toggle {
    background: var(--uuc-card-bg);
    border: 1px solid var(--uuc-border);
    width: 44px;
    height: 44px;
    border-radius: 8px;
    cursor: pointer;
    color: var(--uuc-text-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--uuc-shadow-sm);
    transition: all 0.2s;
}

.uuc-dark-toggle:hover {
    color: var(--uuc-primary);
    border-color: var(--uuc-primary);
}

/* ================================
   MAIN WIDGET LAYOUT
   ================================ */
.uuc-widget.uuc-minimal-layout {
    display: flex;
    background: var(--uuc-card-bg);
    border: 1px solid var(--uuc-border);
    border-radius: var(--uuc-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

/* Sidebar */
.uuc-sidebar {
    width: 250px;
    flex-shrink: 0;
    border-right: 1px solid var(--uuc-border);
    padding: 1.5rem;
}

.uuc-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.uuc-nav-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--uuc-text-dim);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.2s;
}

.uuc-nav-btn:hover {
    background: #f8f9fa;
    color: var(--uuc-text-main);
}

[data-theme="dark"] .uuc-nav-btn:hover { background: #2b2b2b; }

.uuc-nav-btn.active {
    background: var(--uuc-card-bg);
    color: var(--uuc-primary);
    border-color: var(--uuc-border);
    box-shadow: var(--uuc-shadow-sm);
    font-weight: 600;
}

/* Main Content Area */
.uuc-main-content {
    flex: 1;
    padding: 2.5rem;
}

.uuc-conversion-box {
    display: flex;
    flex-direction: column;
    gap: 15px; /* ইনপুট বক্সের মাঝের গ্যাপ */
}

/* Input Card Styling */
.uuc-input-group {
    background: var(--uuc-card-bg);
    border: 1px solid var(--uuc-border);
    border-radius: var(--uuc-radius);
    padding: 15px;
}

.uuc-input-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    gap: 15px;
}

.uuc-input-header label {
    font-weight: 600;
    color: var(--uuc-text-dim);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    width: 45px;
}

.uuc-select {
    flex: 1;
    border: 1px solid var(--uuc-border);
    background: var(--uuc-input-bg);
    color: var(--uuc-text-main);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    outline: none;
}

.uuc-input-wrapper {
    position: relative;
}

.uuc-input {
    width: 100%;
    padding: 12px 15px;
    font-size: 1.25rem;
    font-weight: 500;
    border: 1px solid var(--uuc-input-border);
    border-radius: 6px;
    background: var(--uuc-input-bg);
    color: var(--uuc-text-main);
    outline: none;
    transition: border-color 0.2s;
}

.uuc-input:focus {
    border-color: var(--uuc-primary);
}

.uuc-copy-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--uuc-input-bg);
    border: 1px solid var(--uuc-border);
    color: var(--uuc-text-dim);
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
}

/* ================================
   BLUE SWAP BUTTON (Overlapping)
   ================================ */
.uuc-swap-divider {
    display: flex;
    justify-content: center;
    margin: -26px 0; /* Overlap effect */
    position: relative;
    z-index: 10;
}

.uuc-swap-btn {
    background-color: var(--uuc-primary); /* নীল রঙ */
    border-radius: 50%;
    width: 74px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    cursor: pointer;
    transition: transform 0.3s ease;
    box-shadow: 0 4px 6px rgba(13, 110, 253, 0.2);
}

.uuc-swap-btn:hover {
    transform: rotate(180deg);
    background-color: var(--uuc-primary-hover);
}

/* Formula Area */
.uuc-formula {
    margin-top: 10px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 3px solid var(--uuc-primary);
    font-size: 13px;
    color: var(--uuc-text-dim);
}

[data-theme="dark"] .uuc-formula { background: #2b2b2b; }

nav.uuc-nav > br,
nav.uuc-nav > p,
nav.uuc-nav::before,
nav.uuc-nav::after {
    display: none !important;
}
/* ================================
   MOBILE RESPONSIVENESS
   ================================ */
@media (max-width: 768px) {
    /* Top bar adjustments */
    .uuc-top-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .uuc-page-title {
        text-align: left;
    }

    .uuc-top-controls {
        width: 100%;
        justify-content: space-between;
    }

    .uuc-smart-search-wrap {
        flex: 1;
    }
    
    .uuc-search-inner {
        width: 100%;
    }

    /* Layout Change: Main Content Top, Sidebar Bottom */
    .uuc-widget.uuc-minimal-layout {
        flex-direction: column;
    }

    /* 1. Main Content goes TOP */
    .uuc-main-content {
        order: 1;
        padding: 0px;
    }

    /* 2. Sidebar goes BOTTOM */
    .uuc-sidebar {
        order: 2;
        width: 100%;
        border-right: none;
        border-top: 1px solid var(--uuc-border);
        padding: 1.5rem 1rem;
    }

    /* Navigation Grid for Mobile */
    .uuc-nav {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }

    .uuc-nav-btn {
        justify-content: center;
        padding: 12px 10px;
        font-size: 13px;
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }

    .uuc-input-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .uuc-select {
        width: 100%;
    }
    
    nav.uuc-nav {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr) !important; /* আপনি চাইলে 2 এর জায়গায় 3 দিতে পারেন */
        gap: 10px !important;
        align-items: stretch !important;
    }

    button.uuc-nav-btn {
        width: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
        padding: 15px 10px !important;
        min-height: 80px;
    }
}

/* --- Footer Area --- */
.uuc-footer {
    margin-top: 2rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1rem 0;
}

.uuc-share-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.uuc-share-buttons {
    display: flex;
    gap: 10px;
}

.uuc-share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: #fff !important;
    text-decoration: none;
    transition: transform 0.2s, opacity 0.2s;
}

.uuc-share-btn:hover {
    transform: translateY(-3px);
    opacity: 0.9;
}

.uuc-share-btn.whatsapp { background-color: #25D366; }
.uuc-share-btn.facebook { background-color: #1877F2; }
.uuc-share-btn.twitter { background-color: #000000; }


/* ================================
   BULLETPROOF DARK MODE ICON TOGGLE (IMAGE BASED)
   ================================ */
button#uuc-dark-mode-toggle {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* Default State (Light Mode - Show Moon) */
button#uuc-dark-mode-toggle img.uuc-sun-icon { 
    display: none !important; 
}
button#uuc-dark-mode-toggle img.uuc-moon-icon { 
    display: block !important; 
}

/* Dark Mode State (Show Sun) */
[data-theme="dark"] button#uuc-dark-mode-toggle img.uuc-moon-icon { 
    display: none !important; 
}
[data-theme="dark"] button#uuc-dark-mode-toggle img.uuc-sun-icon { 
    display: block !important; 
}

/* ================================
   QUICK CONVERSION TOOLS (MODERN DESIGN)
   ================================ */

.uuc-common-links-container {
    margin-top: 40px;
    padding: 30px;
    background: var(--uuc-card-bg);
    border: 1px solid var(--uuc-border);
    border-radius: var(--uuc-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

/* মেইন টাইটেল */
.uuc-common-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--uuc-text-main);
    margin-bottom: 25px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--uuc-border);
    display: block;
}

/* গ্রিড লেআউট (যাতে ৩-৪ কলামে ভাগ হয় এবং মোবাইলে ১ কলাম হয়) */
.uuc-common-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 30px;
}

/* ক্যাটাগরি টাইটেল (যেমন: Angle, Area) */
.uuc-common-group h4 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--uuc-primary);
    margin-bottom: 15px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* লিস্ট স্টাইল রিমুভ */
.uuc-common-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* লিংকের বেসিক স্টাইল (কার্ড/পিল ডিজাইন) */
.uuc-common-group li a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--uuc-text-dim);
    font-size: 14px;
    font-weight: 500;
    padding: 12px 16px;
    background: var(--uuc-input-bg);
    border: 1px solid var(--uuc-border);
    border-radius: 8px;
    transition: all 0.25s ease;
    overflow: hidden;
    position: relative;
}

/* লিংকের আগে একটি সুন্দর তীর (Arrow) আইকন */
.uuc-common-group li a::before {
    content: '→';
    margin-right: 10px;
    font-weight: bold;
    font-size: 16px;
    color: var(--uuc-primary);
    transition: margin 0.25s ease, color 0.25s ease;
}

/* হোভার (Hover) ইফেক্ট */
.uuc-common-group li a:hover {
    background: var(--uuc-primary);
    color: #ffffff;
    border-color: var(--uuc-primary);
    transform: translateY(-2px); /* হালকা উপরে উঠবে */
    box-shadow: 0 6px 12px rgba(13, 110, 253, 0.15); /* নীল শ্যাডো */
}

/* হোভার করলে তীর (Arrow) একটু ডান দিকে সরে যাবে এবং সাদা হবে */
.uuc-common-group li a:hover::before {
    margin-right: 14px;
    color: #ffffff;
}

/* ================================
   ডার্ক মোড ফিক্স (Dark Mode Support)
   ================================ */
[data-theme="dark"] .uuc-common-links-container {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .uuc-common-group li a:hover {
    box-shadow: 0 6px 12px rgba(59, 130, 246, 0.3);
}



/* 사이드바 스크롤 최적화 (Sidebar Scroll Optimization) */
.uuc-sidebar {
    max-height: 500px; /* আপনার প্রয়োজন অনুযায়ী 400px বা 600px করতে পারেন */
    overflow-y: auto;
    position: sticky;
    top: 20px; /* স্ক্রল করার সময় উপরে একটু জায়গা ছাড়বে */
}

/* আধুনিক ও চিকন 스크롤바 디자인 (Modern Custom Scrollbar) */
.uuc-sidebar::-webkit-scrollbar {
    width: 6px; /* 스크롤바의 너비 */
}

.uuc-sidebar::-webkit-scrollbar-track {
    background: transparent; /* 트랙의 배경색 */
}

.uuc-sidebar::-webkit-scrollbar-thumb {
    background-color: #cbd5e1; /* 스크롤바 색상 (연한 회색) */
    border-radius: 10px; /* 둥근 모서리 */
}

/*  (Dark Mode Support) */
body.uuc-dark-mode .uuc-sidebar::-webkit-scrollbar-thumb {
    background-color: #475569;
}

/* Recent Conversions Button Styles */
.uuc-recent-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.uuc-recent-btn {
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    color: #475569;
    font-weight: 500;
}

.uuc-recent-btn:hover {
    background: #e2e8f0;
    color: #0f172a;
    transform: translateY(-1px);
}

/* Dark Mode Support */
body.uuc-dark-mode .uuc-recent-btn {
    background: #1e293b;
    border-color: #334155;
    color: #cbd5e1;
}

body.uuc-dark-mode .uuc-recent-btn:hover {
    background: #334155;
    color: #fff;
}

/* Layout the container so items wrap nicely with spacing */
.uuc-recent-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 10px;
}

/* Style the individual recent items to look like clickable tags/buttons */
.uuc-recent-item {
    display: inline-block;
    padding: 6px 12px;
    background-color: var(--uuc-input-bg, #f3f4f6); /* Use your existing CSS variables */
    border: 1px solid var(--uuc-border, #e5e7eb);
    border-radius: 8px;
    color: var(--uuc-text-main, #333);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

/* Add a hover effect to confirm it's interactive */
.uuc-recent-item:hover {
    background-color: var(--uuc-border, #e5e7eb);
    text-decoration: none;
}

/* ================================
   BULLETPROOF DARK MODE ICON TOGGLE
   ================================ */
button#uuc-dark-mode-toggle {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* Default State (Light Mode - Show Moon) */
button#uuc-dark-mode-toggle svg.uuc-sun-icon { 
    display: none !important; 
}
button#uuc-dark-mode-toggle svg.uuc-moon-icon { 
    display: block !important; 
}

/* Dark Mode State (Show Sun) */
[data-theme="dark"] button#uuc-dark-mode-toggle svg.uuc-moon-icon { 
    display: none !important; 
}
[data-theme="dark"] button#uuc-dark-mode-toggle svg.uuc-sun-icon { 
    display: block !important; 
}

/* ================================
   EMBED WIDGET MODAL & STYLES
   ================================ */
.uuc-embed-modal {
    position: fixed; z-index: 99999; left: 0; top: 0; width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.6); display: flex; align-items: center; justify-content: center;
}
.uuc-embed-modal-content {
    background: var(--uuc-card-bg); padding: 30px; border-radius: var(--uuc-radius);
    width: 90%; max-width: 500px; position: relative; box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.uuc-embed-close {
    position: absolute; right: 20px; top: 15px; font-size: 28px; cursor: pointer; color: var(--uuc-text-dim); line-height: 1;
}
.uuc-embed-close:hover { color: var(--uuc-primary); }
#uuc-embed-code {
    width: 100%; height: 90px; margin: 15px 0; padding: 12px; border: 1px solid var(--uuc-border);
    border-radius: 8px; background: var(--uuc-input-bg); color: var(--uuc-text-main); font-family: monospace; resize: none; font-size: 13px;
}
#uuc-copy-embed {
    background: var(--uuc-primary); color: #fff; border: none; padding: 12px 15px;
    border-radius: 8px; cursor: pointer; width: 100%; font-weight: 600; font-size: 15px; transition: background 0.2s;
}
#uuc-copy-embed:hover { background: var(--uuc-primary-hover); }

/* Embed Mode (When inside another website's iframe) */
.uuc-is-embedded .uuc-top-bar, 
.uuc-is-embedded .uuc-sidebar, 
.uuc-is-embedded .uuc-footer,
.uuc-is-embedded .uuc-common-links-container { 
    display: none !important; 
}
.uuc-is-embedded .uuc-widget { border: none; box-shadow: none; border-radius: 0; }
.uuc-is-embedded .uuc-main-content { padding: 15px 0; }
.uuc-is-embedded { padding: 0 !important; margin: 0 !important; background: transparent !important; }
.uuc-embed-branding { display: none; text-align: center; padding: 15px; font-size: 14px; margin-top: 10px; border-top: 1px solid var(--uuc-border); }
.uuc-is-embedded .uuc-embed-branding { display: block; }