/* --- GLOBAL --- */
:root {
    --bg: #FAFAFA;
    --text: #111827;
    --card-bg: #ffffff;
    --desc-color: #6B7280;
    --glass: rgba(255, 255, 255, 0.75);
    --primary: #4facfe;
    --gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --border: #E5E7EB;
    --card-hover-border: #93C5FD;
}

[data-theme="dark"] {
    --bg: #030712;
    --text: #F9FAFB;
    --card-bg: #111827;
    --desc-color: #9CA3AF;
    --glass: rgba(17, 24, 39, 0.75);
    --border: #1F2937;
    --card-hover-border: #3B82F6;
}

* { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
    -webkit-tap-highlight-color: transparent; /* ෆෝන් එකෙන් ඔබද්දි වැටෙන නිල්/අළු කොටුව අයින් කරයි */
}

/* PC එකේ ඔබද්දි වැටෙන කොටුව (Outline) අයින් කරයි */
a:focus, button:focus, input:focus {
    outline: none;
}

body { 
    font-family: 'Poppins', sans-serif; 
    background: var(--bg); 
    color: var(--text); 
    transition: 0.3s ease; 
    visibility: visible; 
    animation: siteFadeIn 0.6s ease forwards; 
}

a { 
    text-decoration: none; 
    color: inherit; 
}

img { 
    width: 100%; 
    display: block; 
}

/* --- APP NAVBAR --- */
.app-navbar { display: flex; justify-content: space-between; align-items: center; padding: 15px 5%; position: sticky; top: 0; z-index: 1000; background: var(--glass); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px); border-bottom: 1px solid var(--border); box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02); }
.nav-left, .nav-right { flex: 1; }
.nav-right { display: flex; justify-content: flex-end; }
.back-btn { display: inline-flex; align-items: center; gap: 8px; font-size: 0.95rem; font-weight: 500; color: var(--desc-color); padding: 8px 12px; border-radius: 8px; transition: 0.2s; }
.back-btn:hover { background: var(--border); color: var(--text); }
.nav-center { display: flex; justify-content: center; }
.breadcrumb-badge { background: var(--card-bg); border: 1px solid var(--border); padding: 6px 16px; border-radius: 50px; font-size: 0.85rem; font-weight: 500; color: var(--desc-color); display: flex; align-items: center; gap: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.02); }
.breadcrumb-badge i { color: var(--primary); }
.breadcrumb-badge .divider { color: var(--border); margin: 0 4px; }
#themeToggle { background: none; border: none; font-size: 1.2rem; color: var(--text); cursor: pointer; padding: 8px; }

/* --- PAGE HEADER --- */
.page-header { text-align: center; padding: 60px 5% 40px; }
.status-tag { display: inline-flex; align-items: center; gap: 8px; background: var(--card-bg); border: 1px solid var(--border); padding: 5px 15px; border-radius: 20px; font-size: 0.8rem; font-weight: 600; margin-bottom: 20px; }
.dot { width: 8px; height: 8px; background-color: #10B981; border-radius: 50%; display: inline-block; }
.pulse { animation: pulse-animation 2s infinite; }
@keyframes pulse-animation { 0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); } 70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); } 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); } }
.page-header h1 { font-size: 3rem; font-weight: 700; margin-bottom: 15px; letter-spacing: -1px; }
.gradient-text { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.page-header p { color: var(--desc-color); font-size: 1.1rem; max-width: 600px; margin: 0 auto;}

/* --- SEARCH BAR --- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 5% 80px; }
.toolbar { margin-bottom: 40px; display: flex; justify-content: center; }
.search-wrapper { position: relative; width: 100%; max-width: 600px; display: flex; align-items: center; }
.search-icon { position: absolute; left: 18px; color: var(--desc-color); font-size: 1.1rem; }
#searchInput { width: 100%; padding: 16px 50px; background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; font-size: 1rem; color: var(--text); font-family: inherit; transition: 0.3s; }
#searchInput:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(79, 172, 254, 0.15); }
.search-shortcut { position: absolute; right: 15px; background: var(--bg); border: 1px solid var(--border); padding: 4px 8px; border-radius: 6px; font-size: 0.75rem; color: var(--desc-color); font-weight: 500; }

/* --- CARDS & GRID --- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 30px; }
.pro-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; transition: all 0.3s ease; display: flex; flex-direction: column; }
.pro-card:hover { transform: translateY(-5px); border-color: var(--card-hover-border); box-shadow: 0 12px 24px rgba(0, 0, 0, 0.04); }
.card-img-wrapper { position: relative; height: 180px; overflow: hidden; border-bottom: 1px solid var(--border); }
.card-img-wrapper img { height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.pro-card:hover .card-img-wrapper img { transform: scale(1.05); }
.card-badge { position: absolute; top: 12px; right: 12px; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); color: white; padding: 4px 10px; border-radius: 6px; font-size: 0.7rem; font-weight: 600; }
.pro-card-content { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.tech-stack { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.tech-stack span { background: var(--bg); border: 1px solid var(--border); color: var(--desc-color); font-size: 0.7rem; font-weight: 600; padding: 3px 8px; border-radius: 4px; }
.pro-title { font-size: 1.2rem; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.pro-desc { font-size: 0.9rem; color: var(--desc-color); line-height: 1.6; margin-bottom: 24px; }
.card-footer { margin-top: auto; border-top: 1px solid var(--border); padding-top: 15px; }
.pro-btn { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-size: 0.9rem; font-weight: 600; transition: 0.2s; cursor: pointer; background: none; border: none; font-family: inherit;}
.pro-btn:hover { color: #00f2fe; gap: 12px; }

/* --- PAGINATION --- */
.pagination-container { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 50px; }
.page-btn { background: var(--card-bg); border: 1px solid var(--border); color: var(--text); padding: 8px 16px; border-radius: 8px; font-weight: 600; cursor: pointer; transition: 0.3s; }
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--gradient); color: white; border: none; }
.page-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* --- BOTTOM ACTIONS (Quick Nav & CTA) --- */
.bottom-actions { margin-top: 20px; padding-top: 40px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 50px; }
.quick-nav { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; }
.nav-hint { font-size: 0.85rem; color: var(--desc-color); font-weight: 500; text-transform: uppercase; letter-spacing: 1px; }
.next-page-link { font-size: 1.5rem; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 10px; transition: 0.3s ease; }
.next-page-link i { color: var(--primary); transition: transform 0.3s ease; }
.next-page-link:hover { color: var(--primary); }
.next-page-link:hover i { transform: translateX(8px); }

.cta-block { background: var(--card-bg); border: 1px solid var(--border); border-radius: 20px; padding: 40px 50px; display: flex; justify-content: space-between; align-items: center; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02); position: relative; overflow: hidden; }
.cta-block::before { content: ''; position: absolute; top: -50%; right: -10%; width: 300px; height: 300px; background: radial-gradient(circle, rgba(79,172,254,0.1) 0%, transparent 70%); border-radius: 50%; z-index: 0; }
.cta-content { position: relative; z-index: 1; }
.cta-content h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.cta-content p { color: var(--desc-color); font-size: 1rem; }
.cta-btn { position: relative; z-index: 1; background: var(--gradient); color: white; padding: 14px 30px; border-radius: 50px; font-size: 1rem; font-weight: 600; display: inline-flex; align-items: center; gap: 10px; box-shadow: 0 10px 20px rgba(79, 172, 254, 0.3); transition: 0.3s ease; border: none; cursor: pointer;}
.cta-btn:hover { transform: translateY(-3px); box-shadow: 0 15px 25px rgba(79, 172, 254, 0.4); color: white; }

/* ==========================================
   THE POPUP MODAL (Guide & Download)
========================================== */
.custom-modal { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.6); backdrop-filter: blur(8px); opacity: 0; transition: opacity 0.3s ease; align-items: center; justify-content: center; }
.custom-modal.show { display: flex; opacity: 1; }
.modal-content { background: var(--card-bg); border: 1px solid var(--border); border-radius: 20px; width: 90%; max-width: 600px; padding: 40px; box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3); position: relative; transform: translateY(30px); transition: transform 0.4s ease; }
.custom-modal.show .modal-content { transform: translateY(0); }

/* TOP RIGHT ACTIONS (Lang + Close Group) */
.modal-top-actions { position: absolute; top: 20px; right: 25px; display: flex; align-items: center; gap: 15px; z-index: 10; }
.close-modal { color: var(--desc-color); font-size: 28px; font-weight: bold; cursor: pointer; transition: 0.2s; line-height: 1; }
.close-modal:hover { color: var(--primary); }
.lang-icon-btn { background: rgba(79, 172, 254, 0.1); border: 1px solid rgba(79, 172, 254, 0.3); color: var(--primary); width: 36px; height: 36px; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 1.1rem; cursor: pointer; transition: 0.3s ease; outline: none; -webkit-tap-highlight-color: transparent; }
.lang-icon-btn:hover { background: var(--primary); color: white; transform: scale(1.1); }
.lang-icon-btn:active { transform: scale(0.95); }
.lang-icon-btn.active { background: var(--gradient); color: white; border: none; box-shadow: 0 4px 10px rgba(79, 172, 254, 0.4); }

.modal-badge { background: rgba(79, 172, 254, 0.1); color: var(--primary); padding: 4px 10px; border-radius: 6px; font-size: 0.75rem; font-weight: 600; }
.modal-header h2 { font-size: 1.8rem; margin: 10px 0 20px; color: var(--text); padding-right: 80px; }
.modal-body { color: var(--desc-color); line-height: 1.7; margin-bottom: 30px; font-size: 0.95rem; }
.modal-body h3 { color: var(--text); margin-top: 15px; margin-bottom: 5px; font-size: 1.1rem; }
.modal-body code { background: var(--bg); padding: 2px 6px; border-radius: 4px; color: #e83e8c; font-family: monospace; }
.modal-footer { border-top: 1px solid var(--border); padding-top: 20px; display: flex; justify-content: flex-end; }

/* ==========================================
   RESPONSIVE (MOBILE) FIXES - THE FINAL FIX
========================================== */
@media (max-width: 768px) {
    .nav-center { display: flex; }
    .breadcrumb-badge { font-size: 0.65rem; padding: 4px 10px; gap: 4px; white-space: nowrap; }
    .breadcrumb-badge .divider { display: inline-block; }
    .back-btn span { display: none; }
    .page-header h1 { font-size: 2rem; }
    .search-shortcut { display: none; }
    
    /* CTA Block Fixes */
    .cta-block { 
        flex-direction: column; 
        text-align: center; 
        align-items: center; /* මැදට ගන්නවා */
        justify-content: center;
        padding: 40px 25px; 
        gap: 20px; 
    }
    .next-page-link { font-size: 1.2rem; }
    .cta-content h2 { 
        font-size: 1.4rem; 
        line-height: 1.3;
        margin-bottom: 10px;
    }
    .cta-content p { font-size: 0.95rem; }
    .cta-btn { 
        width: 100%; /* බොත්තම දිගටම පේනවා */
        justify-content: center; 
        margin-top: 10px;
    }

    /* Popup Modal Mobile Fixes */
    .modal-content { padding: 30px 20px; }
    .modal-header h2 { font-size: 1.5rem; padding-right: 60px; }
}

@keyframes siteFadeIn {
    0% { opacity: 0; visibility: hidden; }
    100% { opacity: 1; visibility: visible; }
}