/* === চূড়ান্ত এবং সম্পূর্ণ সমন্বিত স্টাইলশিট (সংস্করণ ১১.০) - সঠিক অ্যানিমেশন ও ফুটার === */

/* --- ধাপ ১: আপনার সাইটের মূল থিম ভেরিয়েবল (ai_studio_code থেকে নেওয়া) --- */
:root {
    /* Navbar & Footer Theme */
    --primary-brand-color: #8a2be2;
    --primary-brand-hover: #9932cc;
    --secondary-accent-color: #4a00e0;
    --navbar-background-base: #11101b;
    --navbar-background-scrolled: rgba(17, 16, 27, 0.88);
    --navbar-text-color: #a0a0c0;
    --navbar-text-hover: #f0f0f0;
    --dropdown-background: #1a192a;
    --dropdown-border: rgba(137, 137, 180, 0.2);
    --dropdown-shadow: rgba(138, 43, 226, 0.15);
    --font-primary: 'Poppins', 'Inter', sans-serif;
    --font-logo: 'Exo 2', 'Orbitron', sans-serif;
    --transition-speed: 0.35s;
    --transition-cubic: cubic-bezier(0.68, -0.6, 0.32, 1.6);

    /* Main Tool Theme */
    --bg-color: #11101b;
    --panel-bg: rgba(36, 36, 51, 0.5);
    --blur-effect: blur(20px);
    --border-color: rgba(137, 137, 180, 0.2);
    --primary-color: var(--primary-brand-color);
    --primary-gradient: linear-gradient(90deg, #8a2be2, #4a00e0);
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0c0;
    --input-bg-color: transparent;
    --tool-shadow-color: rgba(138, 43, 226, 0.3);
}

body.light-theme {
    /* Navbar & Footer */
    --primary-brand-color: #007cf0;
    --primary-brand-hover: #0059b3;
    --secondary-accent-color: #d9006c;
    --navbar-background-base: #fcfcfd;
    --navbar-background-scrolled: rgba(252, 252, 253, 0.88);
    --navbar-text-color: #2e3a4d;
    --navbar-text-hover: #000000;
    --dropdown-background: #ffffff;
    --dropdown-border: #e8ebf0;
    --dropdown-shadow: rgba(0, 124, 240, 0.1);

    /* Main Tool */
    --bg-color: #f4f6f9;
    --panel-bg: #ffffff;
    --blur-effect: blur(0px);
    --border-color: #dde2e9;
    --primary-color: var(--primary-brand-color);
    --primary-gradient: linear-gradient(90deg, #007cf0, #0059b3);
    --text-primary: #1d232c;
    --text-secondary: #5a697d;
    --input-bg-color: #f0f2f5;
    --tool-shadow-color: rgba(0, 124, 240, 0.3);
}

/* --- ধাপ ২: সাধারণ এবং সাইট-ওয়াইড স্টাইল --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-primary);
    background-image: radial-gradient(circle at 1% 1%,#4a00e0 0%,transparent 30%), radial-gradient(circle at 99% 99%,#8a2be2 0%,transparent 40%);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}
body.light-theme { background-image: none; }
body.overlay-active { overflow: hidden; }

/* ========================================================================= */
/*      ধাপ ৩: নেভিগেশন বার (সঠিক অ্যানিমেশন এবং স্টাইল সহ)
/* ========================================================================= */
.navbar-1minit-main { background-color: var(--navbar-background-base); padding: 1rem 0; position: fixed; top: 0; left: 0; width: 100%; z-index: 1050; border-bottom: 1px solid var(--dropdown-border); transition: all var(--transition-speed) ease; }
.navbar-1minit-main.scrolled { background-color: var(--navbar-background-scrolled); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); padding: 0.8rem 0; }
.navbar-container-1minit { width: 100%; max-width: 1800px; margin: 0 auto; padding: 0 2rem; display: flex; justify-content: space-between; align-items: center; }
.navbar-logo-1minit { display: flex; align-items: center; text-decoration: none; }
.logo-image-1minit { height: 42px; width: auto; margin-right: 15px; border-radius: 50%; transition: transform 0.5s var(--transition-cubic), box-shadow 0.3s ease; border: 2px solid transparent; }
.navbar-logo-1minit:hover .logo-image-1minit { transform: rotate(-15deg) scale(1.12); box-shadow: 0 0 18px var(--dropdown-shadow); border-color: var(--primary-brand-color); }
.logo-text-wrapper-1minit { position: relative; }
.logo-text-1minit { font-family: var(--font-logo); font-size: 2.6rem; font-weight: 900; letter-spacing: -1.8px; line-height: 1; display: block; }
.logo-text-1minit .char-1, .logo-text-1minit .char-M { display: inline-block; color: var(--primary-brand-color); text-shadow: 0 0 10px var(--primary-brand-color); transition: transform 0.4s var(--transition-cubic); }
.logo-text-1minit .char-init { display: inline-block; font-size: 2.5rem; background: linear-gradient(135deg, var(--navbar-text-hover) 15%, var(--navbar-text-color) 55%, var(--secondary-accent-color) 110%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-left: -5px; transition: letter-spacing 0.4s ease-out, transform 0.4s var(--transition-cubic); }
.logo-text-tools { font-size: 2.2rem; font-weight: 700; color: var(--secondary-accent-color); text-shadow: 0 0 8px var(--secondary-accent-color); margin-left: 8px; transition: all 0.4s ease-out; display: inline-block; }
.navbar-logo-1minit:hover .char-1 { transform: translateY(-5px) rotate(-7deg) scale(1.08); }
.navbar-logo-1minit:hover .char-M { transform: translateY(-3px) rotate(4deg) scale(1.05); }
.navbar-logo-1minit:hover .char-init { letter-spacing: 1px; transform: skewX(-7deg); }
.navbar-logo-1minit:hover .logo-text-tools { transform: skewX(-5deg) scale(1.05); }
.navbar-menu-1minit { list-style: none; display: flex; margin: 0; padding: 0; align-items: center; }
.navbar-menu-1minit li { margin: 0 18px; }
.nav-link-1minit { color: var(--navbar-text-color); text-decoration: none; font-size: 1.1rem; font-weight: 600; padding: 12px 20px; border-radius: 8px; transition: color var(--transition-speed) ease, background-color var(--transition-speed) ease, transform var(--transition-speed) var(--transition-cubic); }
.nav-link-1minit:hover, .nav-link-1minit.active { color: var(--navbar-text-hover); background-color: rgba(138, 43, 226, 0.22); transform: translateY(-3px) scale(1.04); }
body.light-theme .nav-link-1minit:hover, body.light-theme .nav-link-1minit.active { background-color: rgba(0, 124, 240, 0.15); }
.navbar-actions-1minit { display: flex; align-items: center; gap: 18px; }
.theme-toggle-1minit, .tools-menu-toggle-1minit, .mobile-menu-main-toggle-1minit { background-color: transparent; border: 2px solid var(--dropdown-border); color: var(--navbar-text-color); padding: 0; width: 46px; height: 46px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: 1.35rem; transition: all var(--transition-speed) var(--transition-cubic); }
.theme-toggle-1minit:hover, .tools-menu-toggle-1minit:hover, .mobile-menu-main-toggle-1minit:hover { background-color: var(--primary-brand-color); color: var(--navbar-background-base); border-color: var(--primary-brand-color); transform: scale(1.18) rotate(22deg); box-shadow: 0 0 22px var(--dropdown-shadow); }
.theme-toggle-1minit .fa-sun { display: none; } body.light-theme .theme-toggle-1minit .fa-moon { display: none; } body.light-theme .theme-toggle-1minit .fa-sun { display: inline-block; }
.tools-dropdown-1minit { position: fixed; top: 0; right: -450px; width: 400px; max-width: 90vw; height: 100vh; background-color: var(--dropdown-background); border-left: 1px solid var(--dropdown-border); box-shadow: -10px 0 35px var(--dropdown-shadow); z-index: 1100; transition: right 0.6s var(--transition-cubic); display: flex; flex-direction: column; }
.tools-dropdown-1minit.open { right: 0; }
.dropdown-header-1minit { display: flex; justify-content: space-between; align-items: center; padding: 1.3rem 2rem; border-bottom: 1px solid var(--dropdown-border); }
.close-dropdown-1minit { background: none; border: none; font-size: 2.1rem; cursor: pointer; }
.tools-list-container-1minit { flex-grow: 1; overflow-y: auto; padding: 1rem 0; }
.tools-list-1minit { list-style: none; padding: 0; }
.tools-list-1minit li a { display: flex; align-items: center; padding: 1rem 2rem; color: var(--navbar-text-color); text-decoration: none; border-bottom: 1px solid var(--dropdown-border); transition: all var(--transition-speed) ease; }
.tools-list-1minit li a:hover { background-color: rgba(138, 43, 226, 0.2); color: var(--primary-brand-color); padding-left: 2.5rem; }
.tools-list-1minit li a i { margin-right: 18px; color: var(--primary-brand-color); }
.dropdown-footer-1minit { padding: 1.3rem 2rem; text-align: center; }
.view-all-tools-1minit { display: inline-block; width: 100%; padding: 1rem 1.5rem; background: var(--primary-gradient); color: #fff; text-decoration: none; border-radius: 8px; font-weight: 700; transition: all var(--transition-speed) var(--transition-cubic); }
.view-all-tools-1minit:hover { transform: translateY(-4px) scale(1.03); }
.overlay-1minit { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(5, 6, 8, 0.75); backdrop-filter: blur(5px); z-index: 1040; opacity: 0; visibility: hidden; transition: opacity var(--transition-speed) ease; }
.overlay-1minit.active { opacity: 1; visibility: visible; }
.mobile-menu-main-toggle-1minit { display: none; }
@media (max-width: 1024px) { .navbar-menu-1minit { display: none; } .mobile-menu-main-toggle-1minit { display: flex; } }

/* --- ধাপ ৪: মূল কন্টেন্ট এবং কারেন্সি কনভার্টার --- */
#main-content-wrapper { flex-grow: 1; display: flex; justify-content: center; align-items: center; padding: 2rem; padding-top: 120px; }
.converter-container { width: 100%; max-width: 800px; background: var(--panel-bg); backdrop-filter: var(--blur-effect); border-radius: 20px; padding: 40px; border: 1px solid var(--border-color); box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37); animation: fadeInScaleUp 0.8s 0.2s cubic-bezier(0.165, 0.84, 0.44, 1) forwards; opacity: 0; transform: translateY(20px); }
@keyframes fadeInScaleUp { to { opacity: 1; transform: translateY(0); } }
.converter-container h1 { color: var(--primary-color); }
.main-row { display: flex; align-items: flex-end; gap: 20px; margin-bottom: 30px; }
.amount-group { flex: 1.5; } .currency-group { flex: 2; position: relative; }
.swap-icon-container { padding-bottom: 16px; }
.swap-icon { cursor: pointer; color: var(--text-secondary); transition: all 0.4s var(--transition-cubic); padding: 12px; border-radius: 50%; border: 1px solid var(--border-color); }
.swap-icon:hover { color: var(--primary-color); background-color: var(--input-bg-color); transform: rotate(180deg) scale(1.1); box-shadow: 0 0 20px var(--tool-shadow-color); }
.input-group label { display: block; margin-bottom: 10px; font-size: 0.9rem; color: var(--text-secondary); }
.input-field { width: 100%; padding: 16px; background-color: var(--input-bg-color); border: 1px solid var(--border-color); border-radius: 10px; color: var(--text-primary); font-size: 1rem; transition: all 0.3s ease-in-out; }
.input-field:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 10px var(--tool-shadow-color); }
.currency-dropdown-list { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--dropdown-background); border: 1px solid var(--dropdown-border); border-radius: 10px; max-height: 250px; overflow-y: auto; z-index: 100; margin-top: 8px; box-shadow: 0 10px 25px rgba(0,0,0,0.3); }
.currency-dropdown-list.show { display: block; }
.currency-dropdown-list ul { list-style: none; padding: 5px; margin: 0; }
.currency-dropdown-list li:hover { background-color: var(--primary-color); color: #fff; transform: translateX(4px); }
#result-container { margin-top: 20px; padding: 30px; text-align: left; background: transparent; border: 1px solid var(--border-color); border-radius: 16px; }
#result-text strong { font-size: 2.5rem; font-weight: 600; color: var(--text-primary); }
#result-container:hover #result-text strong { color: var(--primary-color); }
.loader { border: 5px solid var(--border-color); border-top-color: var(--primary-color); border-radius: 50%; width: 35px; height: 35px; animation: spin 1s linear infinite; margin: 20px auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ========================================================================= */
/*      ধাপ ৫: ফুটার (আপনার ফাইল থেকে সম্পূর্ণ এবং সঠিক কোড)
/* ========================================================================= */
.footer-1minit-standard { background-color: var(--navbar-background-base); color: var(--navbar-text-color); padding: 4rem 0 2rem 0; border-top: 1px solid var(--dropdown-border); font-size: 0.95rem; margin-top: auto; }
.footer-container-standard { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.footer-top-standard { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2.5rem; margin-bottom: 3rem; text-align: left; }
.footer-column-standard h4 { font-family: var(--font-primary); font-size: 1.1rem; font-weight: 600; color: var(--navbar-text-hover); margin-bottom: 1.2rem; position: relative; }
.footer-column-standard h4::after { content: ''; position: absolute; left: 0; bottom: -6px; width: 30px; height: 2px; background-color: var(--primary-brand-color); }
.footer-logo-link-standard { display: inline-flex; align-items: center; text-decoration: none; margin-bottom: 1rem; }
.footer-logo-img-standard { height: 38px; width: auto; margin-right: 10px; border-radius: 50%; }
.footer-logo-text-standard { font-family: var(--font-logo); font-size: 1.6rem; color: var(--primary-brand-color); font-weight: 700; }
.footer-tagline-standard { line-height: 1.7; opacity: 0.8; margin-bottom: 1.5rem; max-width: 300px; }
.footer-social-icons-standard a { color: var(--navbar-text-color); font-size: 1.3rem; margin-right: 1rem; transition: color var(--transition-speed) ease, transform var(--transition-speed) ease; }
.footer-social-icons-standard a:hover { color: var(--primary-brand-color); transform: translateY(-2px); }
.footer-links-group-standard ul { list-style: none; padding: 0; margin: 0; }
.footer-links-group-standard li a { color: var(--navbar-text-color); text-decoration: none; display: block; padding: 0.4rem 0; transition: color var(--transition-speed) ease, padding-left var(--transition-speed) ease; opacity: 0.9; }
.footer-links-group-standard li a:hover { color: var(--primary-brand-color); padding-left: 8px; opacity: 1; }
.footer-bottom-standard { text-align: center; padding-top: 2.5rem; border-top: 1px solid var(--dropdown-border); font-size: 0.9rem; opacity: 0.7; }
.footer-heart-icon { color: var(--secondary-accent-color); animation: pulseHeart 1.5s infinite ease-in-out; }
@keyframes pulseHeart { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.2); } }

/* --- ধাপ ৬: রেসপন্সিভ স্টাইল --- */
@media (max-width: 768px) {
    #main-content-wrapper { padding-top: 100px; padding-left: 1rem; padding-right: 1rem; }
    .converter-container { padding: 30px 20px; }
    .main-row { flex-direction: column; align-items: stretch; gap: 25px; }
    .swap-icon-container { align-self: center; transform: rotate(90deg); margin: -10px 0; }
    #result-text { text-align: center; }
}