:root {
    --bg-dark: #0a0a0c;
    --card-dark: #121216;
    --neon-pink: #ff007f;
    --neon-glow: rgba(255, 0, 127, 0.6);
    --text-white: #ffffff;
    --text-gray: #8e8e93;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* --- Style de Connexion / Inscription --- */
.auth-container {
    max-width: 400px;
    width: 90%;
    margin: auto;
    background: var(--card-dark);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--neon-pink);
    box-shadow: 0 0 15px var(--neon-glow);
    text-align: center;
}

.auth-container h1 {
    color: var(--neon-pink);
    text-shadow: 0 0 8px var(--neon-glow);
    margin-bottom: 25px;
    font-size: 2.5rem;
}

.input-group {
    margin-bottom: 20px;
    position: relative;
    text-align: left;
}

.input-group label {
    display: block;
    color: var(--text-gray);
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.input-group input {
    width: 100%;
    padding: 12px 40px 12px 15px;
    background: #1c1c24;
    border: 1px solid #2c2c35;
    border-radius: 8px;
    color: white;
    outline: none;
    transition: all 0.3s ease;
}

.input-group input:focus {
    border-color: var(--neon-pink);
    box-shadow: 0 0 8px var(--neon-glow);
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 38px;
    cursor: pointer;
    color: var(--text-gray);
}

.btn-neon {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 2px solid var(--neon-pink);
    color: white;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.3s ease;
    box-shadow: 0 0 5px var(--neon-glow);
}

.btn-neon:hover {
    background: var(--neon-pink);
    box-shadow: 0 0 20px var(--neon-pink);
}

/* --- Navigation Globale (Barre du bas ou du haut) --- */
.navbar {
    background: var(--card-dark);
    border-top: 1px solid var(--neon-pink);
    position: fixed;
    bottom: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    padding: 15px 0;
    z-index: 1000;
}

.navbar a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 1.2rem;
    transition: 0.3s;
}

.navbar a:hover, .navbar a.active {
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink);
}

/* --- Feed & Layout --- */
.main-content {
    margin-bottom: 80px;
    padding: 20px;
    width: 100%;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.card-post {
    background: var(--card-dark);
    border-radius: 12px;
    margin-bottom: 25px;
    border: 1px solid #1c1c24;
    overflow: hidden;
}

.post-header {
    display: flex;
    align-items: center;
    padding: 15px;
}

.post-header img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--neon-pink);
    margin-right: 12px;
}

.post-media img, .post-media video {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
}

.post-actions {
    padding: 15px;
    display: flex;
    gap: 20px;
    font-size: 1.3rem;
}

.action-icon {
    cursor: pointer;
    transition: 0.2s;
}

.action-icon:hover {
    color: var(--neon-pink);
}

/* --- Badge Live --- */
.live-badge {
    background: red;
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: bold;
    animation: blink 1.5s infinite;
    margin-left: auto;
}

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0.4; }
    100% { opacity: 1; }
}

/* --- Navigation Globale (Barre du bas) --- */
.navbar {
    background: #121216; /* Fond sombre */
    border-top: 1px solid #ff007f; /* Ligne rose néon */
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    padding: 20px 0;
    z-index: 1000;
}

.navbar a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1.5rem; /* Agrandit les icônes pour mieux les voir */
    transition: 0.3s;
}

.navbar a:hover, .navbar a.active {
    color: #ff007f;
    text-shadow: 0 0 10px #ff007f;
}