:root {
    --bg-dark: #070913;
    --bg-space: radial-gradient(circle at 50% 20%, #13172e 0%, #070913 80%);
    --panel-bg: rgba(15, 20, 36, 0.85);
    --border-color: rgba(0, 240, 255, 0.15);
    --border-hover: rgba(0, 240, 255, 0.4);
    --neon-cyan: #00f0ff;
    --neon-red: #ff334b;
    --text-main: #c0c6d2;
    --text-light: #ffffff;
}

/* Scrollbars personnalisées ultra-fines */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: #1f2942;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--neon-cyan);
}

body {
    background: var(--bg-dark);
    background-image: var(--bg-space);
    background-attachment: fixed;
    color: var(--text-main);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* --- NAVBAR SUPÉRIEURE --- */
.arsk-navbar {
    background: var(--panel-bg);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 30px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.nav-logo-img {
    height: 38px;
    width: 38px;
    object-fit: contain;
    border-radius: 6px;
    border: 1px solid var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.nav-brand span {
    font-family: 'Orbitron', sans-serif;
    color: var(--text-light);
    font-size: 1.1rem;
    letter-spacing: 2px;
    font-weight: bold;
}

.nav-user-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--neon-cyan);
    object-fit: cover;
}

.nav-username {
    color: var(--neon-cyan);
    font-size: 0.9rem;
    font-weight: 600;
}

/* Boutons de la navbar */
.btn-nav {
    background: rgba(0, 240, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 7px 14px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.85rem;
    transition: 0.2s;
}

.btn-nav:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.1);
}

.btn-nav-admin {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}

.btn-nav-logout {
    border-color: rgba(255, 51, 75, 0.4);
    color: var(--neon-red);
}
.btn-nav-logout:hover {
    border-color: var(--neon-red);
    background: rgba(255, 51, 75, 0.1);
    color: var(--neon-red);
}

/* --- CONTENEURS ET FORMULAIRES --- */
.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

.cyber-box {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    margin-bottom: 25px;
}

/* Inputs, Selects & Textareas propres */
.cyber-form label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-main);
    margin-bottom: 8px;
    font-weight: bold;
}

.cyber-form input[type="text"],
.cyber-form textarea,
.cyber-form select {
    width: 100%;
    background: rgba(5, 7, 14, 0.9);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    padding: 12px 15px;
    margin-bottom: 20px;
    box-sizing: border-box;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: 0.3s;
    appearance: none; /* Supprime le style natif moche des select */
}

/* Customisation de la flèche du select */
.cyber-form select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300f0ff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
    cursor: pointer;
}

.cyber-form input:focus,
.cyber-form textarea:focus,
.cyber-form select:focus {
    border-color: var(--neon-cyan);
    outline: none;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
}

/* Bouton d'upload de fichier stylisé (remplace le bouton gris moche) */
.file-upload-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
    margin-bottom: 20px;
}

.file-upload-wrapper input[type=file] {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-upload-fake {
    background: rgba(5, 7, 14, 0.9);
    border: 1px dashed var(--border-color);
    color: var(--text-main);
    padding: 14px 15px;
    border-radius: 6px;
    text-align: center;
    font-size: 0.85rem;
    transition: 0.3s;
}

.file-upload-wrapper:hover .file-upload-fake {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.03);
}

/* Boutons d'action */
.btn-cyber {
    display: block;
    width: 100%;
    text-align: center;
    background: linear-gradient(135deg, #ff334b 0%, #cc1128 100%);
    color: #fff;
    border: none;
    padding: 13px 0;
    border-radius: 6px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: 0.3s;
    box-shadow: 0 4px 15px rgba(255, 51, 75, 0.3);
}

.btn-cyber:hover {
    filter: brightness(1.2);
    box-shadow: 0 6px 20px rgba(255, 51, 75, 0.5);
}