/* ===================================   1. VARIABLES & RESET GLOBAL   =================================== */
:root {
    --primary-color: #00ffaa;
    --background-color: #000000;
    --text-color: #E0E0E0;
    --text-color-secondary: #888888;
    --font-mono: 'Fira Code', monospace;
    --shadow-color: rgba(0, 255, 170, 0.4);
    --prompt-user-color: #8AE234;
    --prompt-path-color: #729FCF;
    --ls-dir-color: #729FCF;
    --highlight-color: #00ffaa;
    --ascii-color: #00ffaa;
    --error-color: #F7524F;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    height: 100%;
}
body {
    font-family: var(--font-mono);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}
main {
    flex-grow: 1;
}
a {
    text-decoration: none;
    color: var(--highlight-color);
    transition: all 0.2s ease-in-out;
}
a:hover {
    text-shadow: 0 0 5px var(--highlight-color);
}
.highlight {
    color: var(--highlight-color);
    font-weight: bold;
}
.hidden {
    display: none !important;
}

/* ===================================   SETUP MODAL   =================================== */
.setup-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
}
.modal-content {
    background-color: var(--background-color);
    padding: 2.5rem;
    border: 1px solid var(--text-color-secondary);
    box-shadow: 0 0 15px var(--shadow-color);
    text-align: center;
    max-width: 90%;
    width: 500px;
}
.prompt-text {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}
.prompt-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}
.modal-btn {
    background-color: transparent;
    border: 1px solid var(--highlight-color);
    color: var(--highlight-color);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-mono);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}
.modal-btn:hover {
    background-color: var(--highlight-color);
    color: var(--background-color);
    box-shadow: 0 0 10px var(--shadow-color);
}

/* ===================================   2. TERMINAL SCREEN & ANIMATIONS   =================================== */
.terminal-screen {
    width: 100%;
    max-width: 1280px;
    margin: 3rem auto;
    padding: 2rem;
    background: rgba(10,10,10,0.5);
    border: 1px solid #222;
    box-shadow: 0 0 15px var(--shadow-color);
    min-height: calc(100vh - 12rem);
    text-align: left;
    white-space: pre-wrap;
    word-break: break-all;
    overflow-y: auto;
    position: relative;
    cursor: text;
}
.terminal-screen .line {
    margin-bottom: 0.25rem;
}
.terminal-screen .user {
    color: var(--text-color-secondary);
}

.input-line {
    display: flex;
    align-items: center;
    font-size: 1rem;
}
#terminal-input {
    background: none;
    border: none;
    color: var(--text-color);
    outline: none;
    caret-color: var(--highlight-color);
    font-family: var(--font-mono);
    font-size: 1rem;
    flex-grow: 1;
    margin-left: 0.5rem;
}
.prompt-user { color: var(--prompt-user-color); }
.prompt-path { color: var(--prompt-path-color); }
.ls-dir { color: var(--ls-dir-color); font-weight: bold; }
.ls-file { color: var(--text-color); }
.ascii-art { color: var(--ascii-color); }
.error { color: var(--error-color); }

.input-line .prompt::after {
    content: '_';
    color: var(--highlight-color);
    animation: blink-cursor 1s step-end infinite;
    margin-left: -1px;
}
#terminal-input:focus + .prompt::after {
    display: none;
}
@keyframes blink-cursor {
    from, to { opacity: 0; }
    50% { opacity: 1; }
}

/* ===================================   3. HEADER, NAV & FOOTER   =================================== */
.main-header {
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--text-color-secondary);
    position: sticky;
    top: 0;
    z-index: 50;
    flex-shrink: 0;
}
.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 4.5rem;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.logo-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--highlight-color);
    text-shadow: 0 0 5px var(--shadow-color);
}
.logo-tagline {
    font-size: 0.75rem;
    color: var(--text-color-secondary);
    display: none;
}
.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1000;
    color: var(--highlight-color);
    font-size: 1.5rem;
}
.menu-icon {
    font-weight: 700;
}
.nav-open .menu-icon {
    transform: rotate(90deg);
}
.main-nav {
    position: fixed;
    top: 4.5rem;
    left: 0;
    width: 100%;
    height: calc(100vh - 4.5rem);
    background-color: var(--background-color);
    transform: translateX(-100%);
    transition: transform 0.3s ease-in-out;
    overflow-y: auto;
    visibility: hidden;
}
.nav-open .main-nav {
    transform: translateX(0);
    visibility: visible;
}
.main-nav .nav-list {
    list-style: none;
}
.main-nav .nav-list a {
    display: block;
    padding: 1.25rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-bottom: 1px solid var(--text-color-secondary);
    transition: all 0.2s ease-in-out;
    color: var(--text-color);
}
.main-nav .nav-list a:hover {
    background-color: #00331a;
    color: var(--highlight-color);
    text-shadow: 0 0 5px var(--highlight-color);
}
.main-footer {
    padding: 1rem 1rem;
    background-color: transparent;
    border-top: 1px solid var(--text-color-secondary);
    flex-shrink: 0;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-color-secondary);
}
@media (min-width: 1024px) {
    .logo-tagline {
        display: block;
    }
    .mobile-menu-btn {
        display: none;
    }
    .main-nav {
        position: static;
        width: auto;
        height: auto;
        background: none;
        transform: none;
        transition: none;
        overflow-y: visible;
        visibility: visible;
    }
    .main-nav .nav-list {
        display: flex;
        gap: 0.5rem;
    }
    .main-nav .nav-list a {
        padding: 0.5rem 1rem;
        border-bottom: none;
        border-radius: 0;
        color: var(--text-color-secondary);
    }
    /* NOUVEAU STYLE POUR LES LIENS DE NAVIGATION */
    .main-nav .nav-list a::before {
        content: '[ ';
        color: var(--text-color-secondary);
        opacity: 0.7;
    }
    .main-nav .nav-list a::after {
        content: ' ]';
        color: var(--text-color-secondary);
        opacity: 0.7;
    }
    .main-nav .nav-list a:hover {
        background-color: rgba(0, 255, 170, 0.15);
        color: var(--highlight-color);
        text-shadow: none;
    }
    .main-nav .nav-list a:hover::before,
    .main-nav .nav-list a:hover::after {
        color: var(--highlight-color);
        opacity: 1;
    }
}