html {
    scroll-behavior: smooth;
}

/* Light mode placeholder */
body.light-mode .search-ui input::placeholder {
    color: #555;
    opacity: 1; /* override browser default */
}

/* Dark mode placeholder */
body.dark-mode .search-ui input::placeholder {
    color: #ccc;
    opacity: 1;
}


:root {
    --bg-color: #f9fbff;
    --text-color: #222;
    --link-color: #0059c9;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #121212;
        --text-color: #f2f2f2;
        --link-color: #4da3ff;
    }
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.banner-img {
    border-radius: 12px;
    width: 100%;
    height: auto;
}

body.dark-mode {
    --bg-color: #121212;
    --text-color: #f2f2f2;
    --link-color: #4da3ff;
}

body.light-mode {
    --bg-color: #f9fbff;
    --text-color: #222;
    --link-color: #0059c9;
}

.theme-toggle-btn {
    margin-top: 2rem;
}

body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
}
h1, h2 {
    color: #4da3ff;
}

ul.no-bullets {
    list-style: none;
    padding-left: 0;
}

.section {
    padding: 20px 20px;
    text-align: center;
}
.section p {
    max-width: 700px;
    margin: 0 auto 1.2rem;
}
.problem {
    background-color: rgba(255,255,255,0.05);
    border-left: 4px solid #4da3ff;
    padding: 20px;
    margin-top: 30px;
    border-radius: 6px;
    font-style: italic;
}
.search-ui {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 20px;
    margin-top: 30px;
    color: white;
    text-align: left;
}
.search-ui input {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
}
.search-ui p {
    margin: 0 0 10px;
}

.theme-toggle-btn-fixed {
    position: fixed;
    top: 15px;
    right: 15px;
    z-index: 9999;
}

#toggleTheme {
    margin-top: 0.5rem;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-radius: 5px;
    border: 1px solid;
    background-color: transparent;
    transition: all 0.2s ease;
}

body.dark-mode #toggleTheme {
    color: #f2f2f2;
    border-color: #f2f2f2;
}

body.light-mode #toggleTheme {
    color: #222;
    border-color: #222;
}

/* Bas */
.search-ui {
    border-radius: 10px;
    padding: 20px;
    margin-top: 30px;
    text-align: left;
}

/* DARK MODE */
body.dark-mode .search-ui {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

body.dark-mode .search-ui input {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
}

/* LIGHT MODE */
body.light-mode .search-ui {
    background: rgba(0, 0, 0, 0.03);
    color: #222;
}

body.light-mode .search-ui input {
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: #222;
}