@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Share Tech Mono', monospace;
    background: #0a0e27;
    color: #00ff9f;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
}

/* Effet étoiles en arrière-plan */
.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background-image:
        radial-gradient(2px 2px at 20px 30px, #eee, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 60px 70px, #fff, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 50px 50px, #ddd, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 130px 80px, #fff, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 90px 10px, #fff, rgba(0,0,0,0));
    background-repeat: repeat;
    background-size: 200px 200px;
    opacity: 0.3;
    animation: sparkle 3s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.5; }
}

.container {
    width: 100%;
    max-width: 900px;
    padding: 20px;
    z-index: 1;
}

/* Login Box */
.login-box {
    background: rgba(15, 23, 42, 0.9);
    border: 2px solid #00ff9f;
    border-radius: 10px;
    padding: 50px;
    box-shadow: 0 0 30px rgba(0, 255, 159, 0.3);
    text-align: center;
}

.logo {
    font-size: 2em;
    margin-bottom: 10px;
    letter-spacing: 3px;
}

.bracket {
    color: #ff006e;
    font-weight: bold;
}

.text {
    color: #00ff9f;
}

/* Effet glitch sur le titre */
.glitch {
    font-size: 3em;
    color: #00ff9f;
    position: relative;
    margin: 20px 0;
    animation: glitch-anim 3s infinite;
}

@keyframes glitch-anim {
    0% { text-shadow: 0.05em 0 0 rgba(255, 0, 110, 0.75), -0.05em -0.025em 0 rgba(0, 255, 159, 0.75); }
    14% { text-shadow: 0.05em 0 0 rgba(255, 0, 110, 0.75), -0.05em -0.025em 0 rgba(0, 255, 159, 0.75); }
    15% { text-shadow: -0.05em -0.025em 0 rgba(255, 0, 110, 0.75), 0.05em 0.025em 0 rgba(0, 255, 159, 0.75); }
    49% { text-shadow: -0.05em -0.025em 0 rgba(255, 0, 110, 0.75), 0.05em 0.025em 0 rgba(0, 255, 159, 0.75); }
    50% { text-shadow: 0.025em 0.05em 0 rgba(255, 0, 110, 0.75), 0.05em 0 0 rgba(0, 255, 159, 0.75); }
    99% { text-shadow: 0.025em 0.05em 0 rgba(255, 0, 110, 0.75), 0.05em 0 0 rgba(0, 255, 159, 0.75); }
    100% { text-shadow: -0.025em 0 0 rgba(255, 0, 110, 0.75), -0.025em -0.025em 0 rgba(0, 255, 159, 0.75); }
}

.subtitle {
    color: #8892b0;
    font-size: 1.1em;
    margin-bottom: 30px;
}

/* Messages d'erreur */
.error-message {
    background: rgba(255, 0, 110, 0.1);
    border: 1px solid #ff006e;
    border-radius: 5px;
    padding: 15px;
    margin: 20px 0;
    color: #ff006e;
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.error-icon {
    font-size: 1.2em;
    margin-right: 5px;
}

/* Formulaire */
.input-group {
    margin: 30px 0;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    color: #00ff9f;
    font-size: 1.1em;
}

.input-group input {
    width: 100%;
    padding: 15px;
    background: rgba(10, 14, 39, 0.8);
    border: 2px solid #00ff9f;
    border-radius: 5px;
    color: #00ff9f;
    font-family: 'Share Tech Mono', monospace;
    font-size: 1em;
    transition: all 0.3s;
}

.input-group input:focus {
    outline: none;
    box-shadow: 0 0 20px rgba(0, 255, 159, 0.5);
    border-color: #ff006e;
}

/* Bouton avec effet glow */
.btn-glow {
    width: 100%;
    padding: 15px;
    background: transparent;
    border: 2px solid #00ff9f;
    border-radius: 5px;
    color: #00ff9f;
    font-family: 'Share Tech Mono', monospace;
    font-size: 1.2em;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
}

.btn-glow:hover {
    background: #00ff9f;
    color: #0a0e27;
    box-shadow: 0 0 30px rgba(0, 255, 159, 0.7);
    transform: translateY(-2px);
}

.btn-glow:active {
    transform: translateY(0);
}

/* Footer */
.footer {
    margin-top: 30px;
    color: #8892b0;
    font-size: 0.9em;
}

.terminal-cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* Dashboard */
.dashboard {
    background: rgba(15, 23, 42, 0.95);
    border: 2px solid #00ff9f;
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 0 30px rgba(0, 255, 159, 0.3);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(0, 255, 159, 0.3);
}

.logo-small {
    font-size: 1.5em;
    letter-spacing: 2px;
}

.logout-btn {
    padding: 10px 20px;
    background: transparent;
    border: 2px solid #ff006e;
    border-radius: 5px;
    color: #ff006e;
    text-decoration: none;
    transition: all 0.3s;
}

.logout-btn:hover {
    background: #ff006e;
    color: #0a0e27;
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.5);
}

.dashboard-title {
    font-size: 2.5em;
    color: #00ff9f;
    margin-bottom: 10px;
}

.dashboard-subtitle {
    color: #8892b0;
    font-size: 1.1em;
    margin-bottom: 40px;
}

/* Grille de challenges */
.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.challenge-card {
    background: rgba(10, 14, 39, 0.8);
    border: 2px solid rgba(0, 255, 159, 0.3);
    border-radius: 8px;
    padding: 30px;
    transition: all 0.3s;
}

.challenge-card:hover {
    border-color: #00ff9f;
    box-shadow: 0 0 25px rgba(0, 255, 159, 0.4);
    transform: translateY(-5px);
}

.challenge-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.challenge-card h2 {
    font-size: 1.3em;
    color: #00ff9f;
    margin-bottom: 10px;
}

.difficulty {
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8em;
    white-space: nowrap;
}

.difficulty-facile {
    background: rgba(0, 255, 159, 0.2);
    border: 1px solid #00ff9f;
    color: #00ff9f;
}

.difficulty-moyen {
    background: rgba(255, 165, 0, 0.2);
    border: 1px solid #ffa500;
    color: #ffa500;
}

.difficulty-difficile {
    background: rgba(255, 0, 110, 0.2);
    border: 1px solid #ff006e;
    color: #ff006e;
}

.challenge-description {
    color: #8892b0;
    margin-bottom: 20px;
    line-height: 1.6;
}

.btn-challenge {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 12px 20px;
    background: transparent;
    border: 2px solid #00ff9f;
    border-radius: 5px;
    color: #00ff9f;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-challenge:hover {
    background: #00ff9f;
    color: #0a0e27;
    box-shadow: 0 0 20px rgba(0, 255, 159, 0.5);
}

.btn-challenge .arrow {
    font-size: 1.5em;
    transition: transform 0.3s;
}

.btn-challenge:hover .arrow {
    transform: translateX(5px);
}

.footer-dashboard {
    text-align: center;
    padding-top: 20px;
    border-top: 2px solid rgba(0, 255, 159, 0.3);
    color: #8892b0;
}

/* Responsive */
@media (max-width: 768px) {
    .login-box, .dashboard {
        padding: 30px 20px;
    }

    .glitch {
        font-size: 2em;
    }

    .challenges-grid {
        grid-template-columns: 1fr;
    }
}