/* ═══════════════════════════════════════════
   গুগল ফন্ট লোড — Noto Sans Bengali
   ═══════════════════════════════════════════ */
/* @import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Bengali:wght@400;600;700&display=swap'); */
@import url('https://fonts.maateen.me/solaiman-lipi/font.css');


/* ═══════════════════════════════════════════
   বেসিক রিসেট ও ভেরিয়েবল
   ═══════════════════════════════════════════ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #0F5132;
    --primary-light: #198754;
    --primary-dark: #0a3622;
    --accent: #FFD700;
    --white: #FFFFFF;
    --light: #F8F9FA;
    --gray: #6C757D;
    --dark: #212529;
    --border: #DEE2E6;
    --shadow: 0 2px 15px rgba(0,0,0,0.08);
    --radius: 12px;

    /* ═══ Noto Sans Bengali ফন্ট ভেরিয়েবল ═══ */
    /* --font-bengali: 'Noto Sans Bengali', sans-serif; */
    --font-bengali: 'SolaimanLipi', sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-bengali);
    background: var(--light);
    color: var(--dark);
    line-height: 1.8;
    font-size: 15px; /* Noto Sans ফন্টের সাইজ একটু বড় হওয়ায় ১৫পিএক্স পারফেক্ট */
}

a { text-decoration: none; color: var(--primary); transition: all 0.3s; }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; }

/* ═══ হেডার ═══ */
.header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    max-width: 1200px;
    margin: 0 auto;
    gap: 10px;
}

.logo-section { display: flex; align-items: center; gap: 12px; min-width: 0; }

.logo-section img {
    width: 45px; height: 45px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    background: var(--white);
    flex-shrink: 0;
}

.logo-text h1 {
    font-size: 17px; font-weight: 700;
    color: var(--white); line-height: 1.3;
}

.logo-text small { font-size: 11px; color: var(--accent); display: block; }

.menu-toggle {
    background: rgba(255,255,255,0.1);
    border: 2px solid rgba(255,255,255,0.3);
    color: var(--white);
    font-size: 22px;
    cursor: pointer;
    padding: 6px 14px;
    border-radius: 8px;
    display: flex; align-items: center; gap: 6px;
    flex-shrink: 0;
    transition: all 0.3s;
}

.menu-toggle:hover { background: rgba(255,255,255,0.2); border-color: var(--accent); }
.menu-toggle span { font-size: 13px; display: none; }
@media (min-width: 600px) { .menu-toggle span { display: inline; } }

/* ═══ সাইড মেনু ═══ */
.nav-overlay {
    display: none;
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.55);
    z-index: 1001;
    animation: fadeIn 0.3s;
}
.nav-overlay.active { display: block; }

.nav-menu {
    position: fixed; top: 0; right: -330px;
    width: 310px; max-width: 86vw; height: 100%;
    background: var(--white);
    z-index: 1002;
    transition: right 0.35s ease;
    overflow-y: auto;
    box-shadow: -5px 0 25px rgba(0,0,0,0.25);
}
.nav-menu.active { right: 0; }

.nav-header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: var(--white);
    padding: 18px 20px;
    display: flex; justify-content: space-between; align-items: center;
    position: sticky; top: 0; z-index: 5;
}
.nav-header h3 { font-size: 16px; }

.nav-close {
    background: rgba(255,255,255,0.2);
    border: none; color: var(--white);
    font-size: 18px; cursor: pointer;
    width: 34px; height: 34px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.nav-close:hover { background: rgba(255,255,255,0.35); }

.nav-section { border-bottom: 1px solid var(--border); }

.nav-section-title {
    display: flex; justify-content: space-between; align-items: center;
    padding: 13px 18px;
    font-weight: 600; color: var(--primary);
    cursor: pointer; font-size: 15px;
    transition: background 0.3s;
}
.nav-section-title:hover { background: #E8F5E9; }
.nav-section-title .icon { margin-right: 8px; font-size: 17px; }
.nav-section-title .arrow { font-size: 11px; color: var(--gray); transition: transform 0.3s; }
.nav-section-title.open .arrow { transform: rotate(180deg); }

.nav-submenu { display: none; background: #F1F8E9; }
.nav-submenu.open { display: block; animation: slideDown 0.3s; }

.nav-submenu a {
    display: block;
    padding: 10px 18px 10px 46px;
    color: var(--dark); font-size: 14px;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    position: relative;
}
.nav-submenu a::before {
    content: '◈'; position: absolute; left: 26px;
    color: var(--primary-light); font-size: 9px;
}
.nav-submenu a:hover { background: #C8E6C9; padding-left: 52px; }

.nav-link-single {
    display: block; padding: 13px 18px;
    color: var(--dark); font-weight: 600; font-size: 15px;
    border-bottom: 1px solid var(--border);
}
.nav-link-single:hover { background: #E8F5E9; color: var(--primary); }
.nav-link-single .icon { margin-right: 8px; font-size: 17px; }

/* ═══ ব্রেকিং নিউজ ═══ */
.breaking-news {
    background: var(--primary-dark);
    color: var(--accent);
    padding: 8px 0; font-size: 13px;
    overflow: hidden; white-space: nowrap;
}
.marquee-content {
    display: inline-block;
    padding-left: 100%;
    animation: marquee 28s linear infinite;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

/* ═══ হিরো ═══ */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
    padding: 45px 20px 40px;
}
.hero .arabic-text { font-size: 22px; color: var(--accent); margin-bottom: 10px; }
.hero h2 { font-size: 25px; margin-bottom: 8px; }
.hero p { font-size: 14px; opacity: 0.92; max-width: 620px; margin: 0 auto 20px; }

.hero-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 11px 24px; border-radius: 50px;
    font-weight: 600; font-size: 14px;
    cursor: pointer; border: none; transition: all 0.3s;
}
.btn-primary { background: var(--accent); color: var(--primary-dark); }
.btn-primary:hover { background: #FFC107; transform: translateY(-2px); color: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.5); }
.btn-outline:hover { background: rgba(255,255,255,0.15); color: var(--white); }
.btn-green { background: var(--primary); color: var(--white); }
.btn-green:hover { background: var(--primary-light); color: var(--white); transform: translateY(-2px); }

/* ═══ সেকশন টাইটেল ═══ */
.section-title { text-align: center; margin-bottom: 26px; }
.section-title h2 {
    font-size: 22px; color: var(--primary);
    position: relative; display: inline-block;
}
.section-title h2::after {
    content: ''; position: absolute; bottom: -8px; left: 50%;
    transform: translateX(-50%);
    width: 60px; height: 3px;
    background: var(--accent); border-radius: 2px;
}

/* ═══ কুইক একসেস ═══ */
.quick-access { padding: 35px 18px; max-width: 1200px; margin: 0 auto; }

.quick-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 14px;
}

.quick-card {
    background: var(--white); border-radius: var(--radius);
    padding: 20px 12px; text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid transparent;
    color: var(--dark);
    transition: all 0.3s;
}
.quick-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-light);
    box-shadow: 0 8px 25px rgba(15,81,50,0.15);
}
.quick-card .card-icon { font-size: 32px; margin-bottom: 8px; display: block; }
.quick-card .card-title { font-size: 13px; font-weight: 600; color: var(--primary); }

/* ═══ নোটিশ ═══ */
.notice-section { padding: 20px 18px 40px; max-width: 1200px; margin: 0 auto; }

.notice-tabs {
    display: flex; gap: 8px; margin-bottom: 18px;
    overflow-x: auto; padding-bottom: 4px;
}
.notice-tab {
    padding: 7px 18px; border-radius: 50px;
    border: 2px solid var(--border); background: var(--white);
    color: var(--gray); font-size: 13px; font-weight: 600;
    cursor: pointer; white-space: nowrap;
    font-family: inherit; transition: all 0.3s;
}
.notice-tab.active, .notice-tab:hover {
    background: var(--primary); color: var(--white); border-color: var(--primary);
}

.notice-list { display: flex; flex-direction: column; gap: 12px; }

.notice-card {
    background: var(--white); border-radius: var(--radius);
    padding: 16px; box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
    margin-bottom: 12px;
    transition: all 0.3s;
}
.notice-card:hover { transform: translateX(4px); box-shadow: 0 5px 20px rgba(0,0,0,0.1); }
.notice-card.urgent { border-left-color: #DC3545; }
.notice-card.exam { border-left-color: #FFC107; }

.notice-badge {
    display: inline-block; padding: 2px 12px;
    border-radius: 50px; font-size: 11px; font-weight: 600; margin-bottom: 6px;
}
.notice-badge.urgent { background: #FFF3F3; color: #DC3545; }
.notice-badge.general { background: #E8F5E9; color: var(--primary); }
.notice-badge.exam { background: #FFF8E1; color: #FF8F00; }

.notice-card h4 { font-size: 16px; color: var(--dark); margin-bottom: 4px; }
.notice-card .notice-date { font-size: 12px; color: var(--gray); }
.notice-card .notice-excerpt { font-size: 14px; color: var(--gray); margin-top: 6px; }

/* ═══ পরিসংখ্যান ═══ */
.stats-section {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 40px 20px; color: var(--white);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px; max-width: 800px; margin: 0 auto; text-align: center;
}
.stat-item h3 { font-size: 32px; color: var(--accent); margin-bottom: 4px; }
.stat-item p { font-size: 13px; opacity: 0.9; }

/* ═══ পেজ হেডার (সাব-পেজ) ═══ */
.page-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white); padding: 32px 20px; text-align: center;
}
.page-header h2 { font-size: 24px; margin-bottom: 6px; }
.page-header .breadcrumb { font-size: 13px; opacity: 0.85; }
.page-header .breadcrumb a { color: var(--accent); }

/* ═══ পেজ কন্টেন্ট ═══ */
.page-content {
    max-width: 900px;
    margin: 20px auto 40px;
    padding: 28px 22px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.page-content h3 {
    color: var(--primary); font-size: 20px;
    margin: 26px 0 12px; padding-bottom: 8px;
    border-bottom: 2px solid #E8F5E9;
}
.page-content h3:first-child { margin-top: 0; }
.page-content p { margin-bottom: 14px; text-align: justify; }
.page-content ul, .page-content ol { margin: 12px 0; padding-left: 24px; }
.page-content li { margin-bottom: 8px; }

/* ═══ টেবিল ═══ */
.table-wrap { overflow-x: auto; margin: 16px 0; }
.data-table {
    width: 100%; border-collapse: collapse; font-size: 14px; min-width: 500px;
}
.data-table thead { background: var(--primary); color: var(--white); }
.data-table th, .data-table td {
    padding: 10px 14px; text-align: left; border: 1px solid var(--border);
}
.data-table tbody tr:nth-child(even) { background: #F1F8E9; }
.data-table tbody tr:hover { background: #C8E6C9; }

/* ═══ কার্ড গ্রিড ═══ */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px; margin: 16px 0;
}
.info-card {
    background: var(--light); border-radius: var(--radius);
    padding: 20px; border: 1px solid var(--border);
    transition: all 0.3s;
}
.info-card:hover { box-shadow: var(--shadow); border-color: var(--primary-light); }
.info-card h4 { color: var(--primary); margin-bottom: 8px; font-size: 16px; }
.info-card p { font-size: 14px; color: var(--gray); margin-bottom: 4px; text-align: left; }

/* ═══ ফরম ═══ */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; font-weight: 600; margin-bottom: 6px;
    color: var(--primary); font-size: 14px;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px;
    border: 2px solid var(--border); border-radius: 8px;
    font-size: 15px; font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary);
}
.form-group textarea { min-height: 100px; resize: vertical; }

.btn-submit {
    background: var(--primary); color: var(--white);
    padding: 14px 32px; border: none; border-radius: 8px;
    font-size: 16px; font-weight: 600; cursor: pointer;
    width: 100%; font-family: inherit; transition: all 0.3s;
}
.btn-submit:hover { background: var(--primary-light); }

/* ═══ ডাউনলোড কার্ড ═══ */
.download-card {
    background: var(--white); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px;
    display: flex; align-items: center; gap: 14px;
    margin-bottom: 12px; transition: all 0.3s;
}
.download-card:hover { box-shadow: var(--shadow); border-color: var(--primary-light); }
.download-card .file-icon { font-size: 32px; }
.download-card .file-info { flex: 1; min-width: 0; }
.download-card .file-info h4 { font-size: 15px; color: var(--dark); margin-bottom: 2px; }
.download-card .file-info p { font-size: 12px; color: var(--gray); margin: 0; }
.download-card .btn-download {
    background: var(--primary); color: var(--white);
    padding: 8px 16px; border-radius: 8px;
    font-size: 13px; font-weight: 600; white-space: nowrap;
}
.download-card .btn-download:hover { background: var(--primary-light); color: var(--white); }

/* ═══ লিংক লিস্ট ═══ */
.link-list { display: grid; gap: 10px; }
.link-item {
    background: var(--white); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 14px 18px;
    display: flex; align-items: center; gap: 12px;
    color: var(--dark); transition: all 0.3s;
}
.link-item:hover {
    background: #E8F5E9; border-color: var(--primary-light);
    transform: translateX(4px); color: var(--dark);
}
.link-item .link-icon { font-size: 24px; }
.link-item .link-text { font-weight: 600; font-size: 14px; }

/* ═══ অনুদান কার্ড ═══ */
.donate-methods { display: grid; gap: 14px; margin: 16px 0; }
.donate-card {
    background: var(--light); border: 2px solid var(--border);
    border-radius: var(--radius); padding: 20px; text-align: center;
}
.donate-card:hover { border-color: var(--primary-light); }
.donate-card .method-icon { font-size: 36px; margin-bottom: 8px; display: block; }
.donate-card h4 { color: var(--primary); margin-bottom: 6px; }
.donate-card .account-no {
    font-size: 19px; font-weight: 700; color: var(--dark);
    letter-spacing: 1px; margin: 10px 0; padding: 10px;
    background: var(--white); border-radius: 8px;
    border: 1px dashed var(--primary);
}
.copy-btn {
    background: var(--primary); color: var(--white);
    border: none; padding: 7px 18px; border-radius: 6px;
    font-size: 13px; cursor: pointer; font-family: inherit;
    margin-top: 6px; transition: all 0.3s;
}
.copy-btn:hover { background: var(--primary-light); }

/* ═══ ফুটার ═══ */
.footer { background: var(--primary-dark); color: var(--white); padding: 40px 20px 20px; }
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px; max-width: 1200px; margin: 0 auto 24px;
}
.footer-col h4 {
    font-size: 16px; margin-bottom: 14px; color: var(--accent);
    position: relative; padding-bottom: 8px;
}
.footer-col h4::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 40px; height: 2px; background: var(--accent);
}
.footer-col p, .footer-col a {
    font-size: 13px; color: rgba(255,255,255,0.8);
    display: block; margin-bottom: 8px;
}
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
    text-align: center; padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 12px; opacity: 0.7;
}

/* ═══ ব্যাক টু টপ ═══ */
.back-to-top {
    position: fixed; bottom: 24px; right: 24px;
    width: 44px; height: 44px;
    background: var(--primary); color: var(--white);
    border: none; border-radius: 50%;
    font-size: 20px; cursor: pointer;
    display: none; align-items: center; justify-content: center;
    box-shadow: var(--shadow); z-index: 999;
}
.back-to-top.visible { display: flex; }
.back-to-top:hover { background: var(--primary-light); transform: translateY(-3px); }

/* ═══ অ্যানিমেশন ═══ */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideDown { from { opacity: 0; } to { opacity: 1; } }

/* ═══ রেসপন্সিভ ═══ */
@media (max-width: 768px) {
    .hero h2 { font-size: 20px; }
    .hero .arabic-text { font-size: 18px; }
    .quick-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .quick-card { padding: 14px 8px; }
    .quick-card .card-icon { font-size: 26px; }
    .quick-card .card-title { font-size: 11px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .card-grid { grid-template-columns: 1fr; }
    .page-content { margin: 14px 12px 30px; padding: 20px 16px; }
    .footer-grid { grid-template-columns: 1fr; }
    .logo-text h1 { font-size: 15px; }
}

@media (max-width: 360px) {
    .quick-grid { grid-template-columns: repeat(2, 1fr); }
    .logo-text h1 { font-size: 13px; }
    .logo-section img { width: 38px; height: 38px; }
}

/* ═══ হেডিং ফন্ট — সোলায়মানলিপি ═══ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
}

/* ═══ মেনু ও বাটন ফন্ট ═══ */
.nav-menu,
.nav-section-title,
.nav-link-single,
.nav-submenu a,
.btn,
.btn-submit,
.notice-tab,
.filter-btn,
.quick-card .card-title,
.footer-col h4,
.footer-col a,
.footer-col p {
    font-family: var(--font-heading);
}

/* ═══ নোটিশ ও কার্ড ফন্ট ═══ */
.notice-card h4,
.notice-card .notice-excerpt,
.info-card h4,
.info-card p,
.teacher-info h4,
.teacher-info .designation,
.download-card .file-info h4,
.link-item .link-text,
.donate-card h4 {
    font-family: var(--font-body);
}

/* ═══════════════════════════════════════════
   সমগ্র সাইটে Noto Sans Bengali ফন্ট সেটআপ
   ═══════════════════════════════════════════ */
h1, h2, h3, h4, h5, h6,
input, textarea, select, button,
.nav-menu,
.nav-section-title,
.nav-link-single,
.nav-submenu a,
.btn,
.btn-submit,
.notice-tab,
.filter-btn,
.quick-card .card-title,
.footer-col h4,
.footer-col a,
.footer-col p {
    font-family: var(--font-bengali) !important;
}

/* ═══════════════════════════════════════════
   ব্রেকিং নিউজ — ক্লিকযোগ্য লিংক স্টাইল
   ═══════════════════════════════════════════ */

.breaking-news .news-item {
    color: var(--accent);
    text-decoration: none;
    padding: 0 4px;
    transition: all 0.3s;
    display: inline-block;
}

.breaking-news .news-item:hover {
    color: #FFFFFF;
    text-decoration: underline;
    transform: scale(1.05);
}

.breaking-news .news-separator {
    color: rgba(255, 215, 0, 0.5);
    padding: 0 12px;
    font-size: 11px;
}

/* মার্কি হোভার করলে থামবে (ইউজার পড়তে পারবে) */
.breaking-news:hover .marquee-content {
    animation-play-state: paused;
}

/* ═══════════════════════════════════════════════
   🤖 এআই চ্যাটবট ডিজাইন
   ═══════════════════════════════════════════════ */

/* ভাসমান বাটন */
.ai-float-btn {
    position: fixed;
    bottom: 24px;
    left: 24px;
    background: linear-gradient(135deg, #0F5132, #198754);
    color: #FFFFFF;
    border: 2px solid #FFD700;
    border-radius: 50px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 9998;
    transition: all 0.3s;
}

.ai-float-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 25px rgba(15,81,50,0.4);
    background: linear-gradient(135deg, #198754, #0F5132);
}

.ai-float-btn .ai-btn-icon {
    font-size: 18px;
}

/* চ্যাট উইন্ডো */
.ai-chat-box {
    display: none;
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 360px;
    max-width: calc(100vw - 40px);
    height: 520px;
    max-height: calc(100vh - 100px);
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    border: 1px solid #DEE2E6;
    flex-direction: column;
    z-index: 9999;
    overflow: hidden;
    animation: slideUp 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.ai-chat-box.active {
    display: flex;
}

/* হেডার */
.ai-chat-header {
    background: linear-gradient(135deg, #0F5132, #0a3622);
    color: #FFFFFF;
    padding: 14px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-header-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ai-avatar {
    font-size: 24px;
    background: rgba(255,255,255,0.15);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #FFD700;
}

.ai-header-title h4 {
    margin: 0;
    font-size: 15px;
    color: #FFFFFF;
}

.ai-header-title small {
    color: #A3CFBB;
    font-size: 11px;
}

.ai-close-btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: #FFFFFF;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.2s;
}

.ai-close-btn:hover {
    background: #DC3545;
}

/* কুইক বাটন */
.ai-quick-suggestions {
    padding: 8px 12px;
    background: #F8F9FA;
    border-bottom: 1px solid #E9ECEF;
    display: flex;
    gap: 6px;
    overflow-x: auto;
    white-space: nowrap;
}

.ai-quick-suggestions button {
    background: #FFFFFF;
    border: 1px solid #CED4DA;
    border-radius: 20px;
    padding: 4px 12px;
    font-size: 11px;
    font-weight: 600;
    color: #0F5132;
    cursor: pointer;
    transition: all 0.2s;
}

.ai-quick-suggestions button:hover {
    background: #0F5132;
    color: #FFFFFF;
    border-color: #0F5132;
}

/* মেসেজ বক্স */
.ai-chat-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    background: #F4F6F8;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ai-msg {
    display: flex;
    flex-direction: column;
    max-width: 85%;
}

.user-msg {
    align-self: flex-end;
}

.bot-msg {
    align-self: flex-start;
}

.msg-bubble {
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 13.5px;
    line-height: 1.6;
}

.user-msg .msg-bubble {
    background: #0F5132;
    color: #FFFFFF;
    border-bottom-right-radius: 2px;
}

.bot-msg .msg-bubble {
    background: #FFFFFF;
    color: #212529;
    border: 1px solid #DEE2E6;
    border-bottom-left-radius: 2px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

/* লোডিং ডটস */
.loading-dots span {
    animation: blink 1.4s infinite both;
    font-size: 22px;
    font-weight: bold;
    line-height: 10px;
    margin: 0 1px;
}
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink {
    0%, 80%, 100% { opacity: 0; }
    40% { opacity: 1; }
}

/* ইনপুট এরিয়া */
.ai-chat-input-area {
    padding: 10px 12px;
    background: #FFFFFF;
    border-top: 1px solid #DEE2E6;
    display: flex;
    gap: 8px;
}

.ai-chat-input-area input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid #CED4DA;
    border-radius: 25px;
    font-size: 13px;
    font-family: inherit;
    outline: none;
}

.ai-chat-input-area input:focus {
    border-color: #0F5132;
}

.ai-chat-input-area button {
    background: #0F5132;
    color: #FFFFFF;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.ai-chat-input-area button:hover {
    background: #198754;
}

/* মোবাইল রেসপন্সিভ */
@media (max-width: 600px) {
    .ai-chat-box {
        bottom: 15px;
        left: 15px;
        right: 15px;
        width: auto;
        height: 80vh;
    }
    .ai-float-btn {
        bottom: 15px;
        left: 15px;
        padding: 8px 16px;
    }
}