/* Variables globales */
:root {
    --bg-color: #f9f9f9;
    --text-color: #111;
    --accent-color: #2d3a26;
    --header-bg: #eee;
    --input-bg: #fff;
    --btn-bg: #2d3a26;
    --btn-text: #f9f9f9;
    --footer-bg: #e0e0e0;
    --border-color: #ddd;
    --muted-bg: #f0f0f0;
    --menu-bg: #ffffff;
    --menu-hover-bg: #eef2ef;
    --menu-selected-bg: #f3f6f4;
}

/* Dark mode based on OS/browser preference */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #0f1115;
    --text-color: #e6e6e6;
    --accent-color: #6fbf73;
    --header-bg: #171a1f;
    --input-bg: #121418;
    --btn-bg: #2d3a26;
    --btn-text: #f9f9f9;
    --footer-bg: #14171b;
    --border-color: #2a2f36;
    --muted-bg: #1c2128;
    --menu-bg: #1a1e24;
    --menu-hover-bg: #232a33;
    --menu-selected-bg: #20262f;
  }
}

/* Reset & global */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    text-align: left; /* Valeur par défaut */
}

html { color-scheme: light dark; }

/* Fun animations (respect prefers-reduced-motion) */
@media (prefers-reduced-motion: no-preference) {
  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
  }
  @keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 0 rgba(111,191,115,0); }
    50% { box-shadow: 0 0 18px rgba(111,191,115,.45); }
  }
}

/* Scroll reveal utility */
.reveal { opacity: 0; transform: translateY(16px); }
.reveal.in { opacity: 1; transform: none; transition: opacity .6s ease, transform .6s ease; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.in { opacity: 1; transform: none; }
}

header,
footer {
    padding: 1em;
    width: 100%;
}

header {
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

nav {
    text-align: left;
}

nav a {
    margin: 0 10px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: bold;
    background-image: linear-gradient(currentColor, currentColor);
    background-repeat: no-repeat;
    background-position: 0 100%;
    background-size: 0% 2px;
    transition: background-size .2s ease;
}

nav a:hover {
    text-decoration: none;
    background-size: 100% 2px;
}

main {
    flex: 1;
    padding: 2em 1em;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

/* Bloc logo + titre */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 3em;
}

/* Titres */
h1,
h2 {
    color: var(--accent-color);
    margin-top: 1em;
    margin-bottom: .5em;
}

h1 {
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 700;
    text-align: center;
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
}

/* Textes et listes */
p,
ul {
    margin-bottom: 1em;
}

ul {
    padding-left: 20px;
}

a {
    color: var(--accent-color);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1em 0;
}

th,
td {
    border: 1px solid var(--border-color);
    padding: .75em;
    text-align: left;
    vertical-align: top;
}

thead th {
    background-color: var(--muted-bg);
}

/* Footer */
footer {
    background-color: var(--footer-bg);
    font-size: .9em;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

/* Sélecteur de langue */
.lang-switcher {
    position: absolute;
    top: 50%;
    right: 1em;
    transform: translateY(-50%);
}

/* Custom language dropdown */
.lang-dropdown { position: relative; display: inline-block; }
.lang-btn {
    display: inline-flex;
    align-items: center;
    gap: .5em;
    background-color: var(--accent-color);
    color: var(--bg-color);
    border: none;
    padding: .5em .8em;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    font-family: inherit;
    font-size: .9em;
}
.lang-btn::after {
    content: '';
    width: 0; height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid var(--bg-color);
    margin-left: .2em;
    transition: transform .15s ease;
}
.lang-btn[aria-expanded="true"]::after { transform: rotate(180deg); }
.lang-btn:focus { outline: 2px solid #fff7; outline-offset: 2px; }
.lang-flag { display: inline-block; border-radius: 2px; }
.lang-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    min-width: 170px;
    background: var(--menu-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 8px 20px rgba(0,0,0,.12);
    padding: .3em 0;
    list-style: none;
    display: none;
    z-index: 1000;
}
.lang-menu.open { display: block; }
.lang-menu [role="option"] {
    display: flex;
    align-items: center;
    gap: .6em;
    padding: .5em .8em;
    cursor: pointer;
}
.lang-menu [role="option"][aria-selected="true"] { background: var(--menu-selected-bg); }
.lang-menu [role="option"]:hover, .lang-menu [role="option"]:focus { background: var(--menu-hover-bg); outline: none; }

/* Responsive header: prevent overlap on small screens */
@media (max-width: 700px) {
  header { text-align: center; }
  nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    justify-content: center;
  }
  .lang-switcher {
    position: static;
    transform: none;
    right: auto;
    top: auto;
    margin-top: .6em;
    display: flex;
    justify-content: center;
  }
  .lang-dropdown { width: 100%; display: flex; justify-content: center; }
  .lang-menu { left: 50%; right: auto; transform: translateX(-50%); }
}

/* === Styles spécifiques par page === */

/* Page formulaire */
form {
    display: flex;
    flex-direction: column;
    gap: 1.5em;
}

.form-group {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: .5em;
    font-weight: bold;
    text-align: left;
}

input,
textarea {
    padding: .8em;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1em;
    background-color: var(--input-bg);
}

input:focus,
textarea:focus {
    outline: 2px solid var(--accent-color);
}

textarea {
    resize: vertical;
    min-height: 120px;
}

button[type=submit] {
    padding: 1em;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    border: none;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    transition: opacity .2s;
}

button[type=submit]:hover {
    opacity: .9;
}

.captcha-placeholder {
    min-height: 78px;
    background-color: var(--muted-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    border: 1px solid var(--border-color);
}

/* Page accueil / téléchargement */
body.home {
    text-align: center;
}

body.home main {
    padding: 1em;
}

body.home h1 {
    font-size: clamp(2.5rem, 8vw, 4rem);
}

.logo {
    width: 150px;
    height: auto;
    margin-bottom: 1em;
    border-radius: 37.5px;
}

/* Titre à droite du logo */
.hero .logo {
    margin-bottom: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .hero .logo { animation: floatY 6s ease-in-out infinite .8s; }
}

.hero h1 {
    margin: 0;
    text-align: left;
}

.screenshot {
    max-width: 90%;
    width: 500px;
    height: auto;
    margin: 2em auto;
    display: block;
}

.description {
    max-width: 600px;
    margin: 0 auto 2em auto;
    font-size: 1.1em;
}

.download-buttons {
    margin: 2em 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.download-buttons a {
    display: inline-block;
    margin: 10px;
    transition: transform .2s, filter .2s;
}

.download-buttons a:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 6px 16px rgba(111,191,115,.35));
}

.download-buttons img {
    height: 60px;
    width: auto;
    border-radius: 5px;
}
