/* css/header_footer.css */
.main-header { position: fixed; top: 0; left: 0; width: 100%; height: var(--header-height); display: flex; align-items: center; z-index: 1000; background: var(--header-bg); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-color); transition: background-color 0.3s ease, border-color 0.3s ease; }
.main-header .container { display: flex; justify-content: space-between; align-items: center; width: 90%; }
.logo { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); text-decoration: none; position: relative; }
.logo span { display: inline-block; }

/* --- Desktop Menu & Dropdown --- */
.desktop-nav { display: none; /* Hidden on mobile by default */ align-items: center; gap: 1.5rem; }
.nav-link { color: var(--text-secondary); text-decoration: none; font-size: 1rem; font-weight: 500; padding: 0.5rem 0.2rem; position: relative; background: none; border: none; font-family: var(--font-main); cursor: pointer; display: flex; align-items: center; gap: 0.25rem; transition: color 0.2s ease; }
.nav-link:hover { color: var(--text-primary); }
.nav-dropdown { position: relative; }
.dropdown-arrow { width: 20px; height: 20px; transition: transform 0.3s ease; }
.nav-dropdown.active .dropdown-arrow, .nav-dropdown.is-active .dropdown-arrow { transform: rotate(180deg); }
.dropdown-menu { position: absolute; top: 100%; left: 50%; transform: translate(-50%, 20px); width: 600px; background: var(--surface-color); border: 1px solid var(--border-color); border-radius: 16px; box-shadow: 0 15px 35px rgba(0,0,0,0.2); backdrop-filter: blur(15px); padding: 1.5rem; z-index: -1; opacity: 0; pointer-events: none; transition: opacity 0.3s ease, transform 0.3s ease; display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.nav-dropdown:hover .dropdown-menu, .nav-dropdown.is-active .dropdown-menu { opacity: 1; pointer-events: auto; transform: translate(-50%, 10px); z-index: 1000; }
.dropdown-category h3 { font-size: 0.9rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border-color); }
.dropdown-links { display: flex; flex-direction: column; gap: 0.75rem; }
.dropdown-links a { color: var(--text-primary); text-decoration: none; font-size: 1rem; display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem; border-radius: 6px; transition: background-color 0.2s, color 0.2s; }
.dropdown-links a .tool-icon { font-size: 1.2rem; }
.dropdown-links a:hover { background-color: var(--accent-color); color: #fff; }

/* --- Shared Header Controls --- */
.header-controls { display: flex; align-items: center; gap: 0.5rem; }
.theme-toggle { background: rgba(128, 128, 128, 0.2); border: 1px solid var(--border-color); width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; backdrop-filter: blur(5px); color: var(--text-primary); position: relative; }
.theme-toggle svg { position: absolute; width: 22px; height: 22px; transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
html[data-theme="dark"] .sun-icon { opacity: 1; } html[data-theme="dark"] .moon-icon { opacity: 0; transform: scale(0.5) rotate(-90deg); }
html[data-theme="light"] .sun-icon { opacity: 0; transform: scale(0.5) rotate(90deg); } html[data-theme="light"] .moon-icon { opacity: 1; }

/* --- CSS-based Hamburger Toggle --- */
.nav-toggle { display: flex; flex-direction: column; justify-content: space-around; width: 44px; height: 44px; background: transparent; border: none; cursor: pointer; padding: 12px; z-index: 1001; }
.hamburger-line { width: 100%; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
body.nav-open .nav-toggle .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle .hamburger-line:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Mobile Nav Panel (Side Sheet) --- */
.nav-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.4); backdrop-filter: blur(5px); z-index: 1998; opacity: 0; pointer-events: none; transition: opacity 0.4s ease; }
.nav-menu-mobile { position: fixed; top: 0; right: 0; width: 85%; max-width: 320px; height: 100%; background: var(--surface-color); z-index: 1999; display: flex; flex-direction: column; transform: translateX(100%); transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1); border-left: 1px solid var(--border-color); }
body.nav-open .nav-overlay { opacity: 1; pointer-events: auto; }
body.nav-open .nav-menu-mobile { transform: translateX(0); }

.mobile-nav-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-color); flex-shrink: 0; }
.mobile-nav-title { font-weight: 600; font-size: 1.1rem; color: var(--text-primary); }
.nav-close-btn { background: transparent; border: none; color: var(--text-secondary); cursor: pointer; padding: 0.5rem; }
.nav-close-btn:hover { color: var(--text-primary); }

.mobile-nav-content { padding: 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; overflow-y: auto; flex-grow: 1; }
.mobile-nav-content .nav-link { font-size: 1.2rem; padding: 0.75rem 0; color: var(--text-primary); }
.mobile-nav-content .nav-dropdown .nav-link { justify-content: space-between; }
.mobile-nav-content .dropdown-menu { max-height: 0; overflow: hidden; transition: max-height 0.4s ease-out; }
.mobile-nav-content .dropdown-category { padding: 0.5rem 0 0 1rem; }
.mobile-nav-content .dropdown-category h3 { font-size: 0.8rem; border: none; padding: 0.5rem 0; }
.mobile-nav-content .dropdown-links { padding-left: 1rem; }

/* THIS IS THE CRITICAL FIX */
.mobile-nav-content .dropdown-links a { 
    display: flex; /* Aligns icon and text */
    align-items: center; /* Vertically centers them */
    gap: 0.75rem; /* Space between icon and text */
    font-size: 1rem; 
    padding: 0.6rem 0.5rem;
    white-space: nowrap; /* Prevents ugly text wrapping */
    overflow: hidden;
    text-overflow: ellipsis;
    border-radius: 6px;
}
.mobile-nav-content .dropdown-links a .tool-icon {
    flex-shrink: 0; /* Prevents icon from shrinking */
    font-size: 1.1rem;
}
.mobile-nav-content .dropdown-links a:hover { background-color: var(--border-color); color: var(--text-primary); }
/* END CRITICAL FIX */

.mobile-nav-content .btn { margin-top: 1rem; text-align: center; display: block; width: 100%; padding: 14px; }

@media (min-width: 1024px) {
    .header-controls { order: 2; }
    .desktop-nav { display: flex; order: 1; }
    .nav-toggle, .nav-menu-mobile, .nav-overlay { display: none !important; }
}

/* --- Footer --- */
.main-footer { padding: 40px 0; border-top: 1px solid var(--border-color); text-align: center; }
.main-footer .container { display: flex; flex-direction: column; gap: 1rem; }
.footer-links { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a { color: var(--text-secondary); text-decoration: none; transition: color 0.2s ease; cursor: pointer; }
.footer-links a:hover { color: var(--accent-color); }
.copyright { font-size: 0.9rem; color: var(--text-secondary); }

/* --- Search Bar --- */
.search-container{position:relative;z-index:50;margin-bottom:40px}.search-wrapper{position:relative;max-width:600px;margin:0 auto}#search-input{width:100%;padding:16px 20px 16px 50px;font-size:1rem;font-family:var(--font-main);color:var(--text-primary);background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);transition:border-color .2s ease,box-shadow .2s ease}#search-input::placeholder{color:var(--text-secondary);opacity:.8;transition:opacity .2s ease}#search-input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px var(--accent-glow)}.search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--text-secondary);pointer-events:none}#search-suggestions{position:absolute;top:calc(100% + 8px);left:0;right:0;background-color:var(--suggestion-bg);border:1px solid var(--border-color);border-radius:8px;z-index:10;max-height:240px;overflow-y:auto;box-shadow:0 8px 20px rgba(0,0,0,.2);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);opacity:0;transform:translateY(-10px);pointer-events:none;transition:opacity .2s ease,transform .2s ease}#search-suggestions.visible{opacity:1;transform:translateY(0);pointer-events:auto}.suggestion-item{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;cursor:pointer;color:var(--text-primary);transition:background-color .2s ease}.suggestion-item:hover,.suggestion-item.active{background-color:var(--suggestion-hover-bg)}.suggestion-item:not(:last-child){border-bottom:1px solid var(--border-color)}.suggestion-badge{font-size:.75rem;font-weight:500;padding:3px 8px;border-radius:12px;background-color:var(--accent-color);color:#fff;opacity:.8}