/* ===== STYLE AVANCÉ AVEC ANIMATIONS DE FOND ===== */
/* Couleurs principales : Orange #f7941d et Bleu #007ea4 */

/* ===== VARIABLES ET CONFIGURATION ===== */
:root {
    /* Couleurs principales */
    --orange-principal: #f7941d;
    --orange-clair: #ffb24d;
    --orange-fonce: #e07e0d;
    --orange-tres-fonce: #c46b0a;
    --orange-transparent: rgba(247, 148, 29, 0.15);
    --orange-transparent-clair: rgba(247, 148, 29, 0.08);
    --orange-transparent-fonce: rgba(247, 148, 29, 0.3);
    --orange-lueur: rgba(247, 148, 29, 0.4);
    
    --bleu-principal: #007ea4;
    --bleu-clair: #33a1c7;
    --bleu-fonce: #006688;
    --bleu-tres-fonce: #005577;
    --bleu-transparent: rgba(0, 126, 164, 0.15);
    --bleu-transparent-clair: rgba(0, 126, 164, 0.08);
    --bleu-transparent-fonce: rgba(0, 126, 164, 0.3);
    --bleu-lueur: rgba(0, 126, 164, 0.4);
    
    /* Dégradés */
    --gradient-orange-bleu: linear-gradient(135deg, var(--orange-principal), var(--bleu-principal));
    --gradient-bleu-orange: linear-gradient(135deg, var(--bleu-principal), var(--orange-principal));
    --gradient-transparent: linear-gradient(135deg, var(--orange-transparent), var(--bleu-transparent));
    --gradient-arc-en-ciel: linear-gradient(90deg, 
        var(--orange-principal) 0%, 
        var(--bleu-principal) 50%, 
        var(--orange-principal) 100%);
    
    /* Couleurs neutres */
    --blanc-pur: #ffffff;
    --blanc-casse: #f8faff;
    --gris-tres-clair: #f0f4fa;
    --gris-clair: #e0e8f0;
    --gris-moyen: #2c3e50;
    --noir-transparent: rgba(0, 0, 0, 0.2);
    --noir-transparent-moyen: rgba(0, 0, 0, 0.3);
    --noir-transparent-fonce: rgba(0, 0, 0, 0.5);
    
    /* Ombres */
    --ombre-douce: 0 5px 15px rgba(0, 0, 0, 0.1);
    --ombre-moyenne: 0 10px 25px rgba(0, 0, 0, 0.15);
    --ombre-forte: 0 20px 40px rgba(0, 0, 0, 0.2);
    --ombre-orange: 0 5px 20px var(--orange-lueur);
    --ombre-bleue: 0 5px 20px var(--bleu-lueur);
    
    /* Bordures */
    --border-radius-petit: 10px;
    --border-radius-moyen: 20px;
    --border-radius-grand: 30px;
    --border-radius-tres-grand: 40px;
    --border-radius-rond: 50px;
    --border-radius-cercle: 50%;
    
    /* Animations */
    --transition-rapide: all 0.2s ease;
    --transition-moyenne: all 0.3s ease;
    --transition-lente: all 0.5s ease;
    --transition-tres-lente: all 1s ease;
    
    /* Espacements */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 20px;
    --spacing-xl: 25px;
    --spacing-xxl: 35px;
}

/* ===== STYLE GLOBAL ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

/* ===== ANIMATIONS DE FOND ===== */

/* Animation de fond principale */
.animated-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: linear-gradient(125deg, #0a1a2a, #1a2a3a, #0a2a3a);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 0%; }
    25% { background-position: 50% 50%; }
    50% { background-position: 100% 100%; }
    75% { background-position: 50% 50%; }
    100% { background-position: 0% 0%; }
}

/* Particules animées */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--orange-principal);
    border-radius: var(--border-radius-cercle);
    opacity: 0.3;
    animation: float 20s infinite linear;
}

.particle:nth-child(1) { left: 10%; top: 20%; width: 8px; height: 8px; animation-delay: 0s; background: var(--orange-principal); }
.particle:nth-child(2) { left: 20%; top: 80%; width: 12px; height: 12px; animation-delay: 2s; background: var(--bleu-principal); }
.particle:nth-child(3) { left: 30%; top: 40%; width: 6px; height: 6px; animation-delay: 4s; background: var(--orange-principal); }
.particle:nth-child(4) { left: 40%; top: 60%; width: 10px; height: 10px; animation-delay: 6s; background: var(--bleu-principal); }
.particle:nth-child(5) { left: 50%; top: 10%; width: 14px; height: 14px; animation-delay: 8s; background: var(--orange-principal); }
.particle:nth-child(6) { left: 60%; top: 90%; width: 7px; height: 7px; animation-delay: 10s; background: var(--bleu-principal); }
.particle:nth-child(7) { left: 70%; top: 30%; width: 9px; height: 9px; animation-delay: 12s; background: var(--orange-principal); }
.particle:nth-child(8) { left: 80%; top: 70%; width: 11px; height: 11px; animation-delay: 14s; background: var(--bleu-principal); }
.particle:nth-child(9) { left: 90%; top: 50%; width: 5px; height: 5px; animation-delay: 16s; background: var(--orange-principal); }
.particle:nth-child(10) { left: 15%; top: 45%; width: 13px; height: 13px; animation-delay: 18s; background: var(--bleu-principal); }
.particle:nth-child(11) { left: 85%; top: 15%; width: 8px; height: 8px; animation-delay: 20s; background: var(--orange-principal); }
.particle:nth-child(12) { left: 45%; top: 85%; width: 10px; height: 10px; animation-delay: 22s; background: var(--bleu-principal); }

@keyframes float {
    0% {
        transform: translateY(0) translateX(0) rotate(0deg);
        opacity: 0.3;
    }
    25% {
        transform: translateY(-30px) translateX(20px) rotate(90deg);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-60px) translateX(-20px) rotate(180deg);
        opacity: 0.3;
    }
    75% {
        transform: translateY(-30px) translateX(20px) rotate(270deg);
        opacity: 0.6;
    }
    100% {
        transform: translateY(0) translateX(0) rotate(360deg);
        opacity: 0.3;
    }
}

/* Vagues animées */
.waves {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    z-index: -1;
    opacity: 0.2;
}

.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: var(--orange-principal);
    opacity: 0.2;
    border-radius: 100% 100% 0 0;
    animation: wave 8s infinite ease-in-out;
}

.wave:nth-child(2) {
    bottom: 10px;
    background: var(--bleu-principal);
    opacity: 0.15;
    animation: wave 10s infinite ease-in-out reverse;
}

.wave:nth-child(3) {
    bottom: 20px;
    background: var(--orange-principal);
    opacity: 0.1;
    animation: wave 12s infinite ease-in-out;
}

@keyframes wave {
    0%, 100% {
        transform: scaleY(0.5) translateY(0);
    }
    50% {
        transform: scaleY(1) translateY(-30px);
    }
}

/* Cercles lumineux animés */
.glow-circles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

.glow-circle {
    position: absolute;
    border-radius: var(--border-radius-cercle);
    filter: blur(60px);
    animation: glow 15s infinite alternate;
}

.glow-circle:nth-child(1) {
    top: 20%;
    left: 20%;
    width: 300px;
    height: 300px;
    background: var(--orange-principal);
    opacity: 0.15;
    animation: glow 12s infinite alternate;
}

.glow-circle:nth-child(2) {
    bottom: 20%;
    right: 20%;
    width: 400px;
    height: 400px;
    background: var(--bleu-principal);
    opacity: 0.15;
    animation: glow 15s infinite alternate-reverse;
}

.glow-circle:nth-child(3) {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--orange-principal), var(--bleu-principal));
    opacity: 0.1;
    animation: glow 18s infinite alternate;
}

@keyframes glow {
    0% {
        transform: scale(1) translate(0, 0);
        opacity: 0.1;
    }
    50% {
        transform: scale(1.2) translate(50px, -30px);
        opacity: 0.2;
    }
    100% {
        transform: scale(0.9) translate(-50px, 30px);
        opacity: 0.15;
    }
}

/* ===== CONTENEUR PRINCIPAL ===== */
.container-fluid {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: var(--spacing-lg);
    position: relative;
    z-index: 10;
}

/* ===== CARTE PRINCIPALE AVEC EFFET DE VERRE ===== */
.conteneur1 {
    position: relative;
    width: 100%;
    max-width: 950px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    margin: var(--spacing-lg);
    border-radius: var(--border-radius-tres-grand);
    padding: var(--spacing-xxl);
    box-shadow: 
        0 25px 50px var(--noir-transparent-moyen),
        0 0 0 2px var(--orange-transparent),
        0 0 0 5px var(--bleu-transparent);
    overflow: hidden;
    animation: cardAppear 1s ease-out;
}

@keyframes cardAppear {
    0% {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Barre de progression animée en haut */
.conteneur1::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--orange-principal) 20%, 
        var(--bleu-principal) 50%, 
        var(--orange-principal) 80%, 
        transparent 100%);
    background-size: 200% 100%;
    animation: progressBar 3s linear infinite;
    z-index: 20;
}

@keyframes progressBar {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

/* Éléments décoratifs animés */
.conteneur1 .decor {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: var(--border-radius-cercle);
    background: var(--gradient-transparent);
    filter: blur(40px);
    z-index: 0;
    animation: decorMove 20s infinite alternate;
}

.conteneur1 .decor:nth-child(1) {
    top: -50px;
    right: -50px;
    background: var(--orange-principal);
    opacity: 0.1;
    animation: decorMove 18s infinite alternate;
}

.conteneur1 .decor:nth-child(2) {
    bottom: -50px;
    left: -50px;
    width: 300px;
    height: 300px;
    background: var(--bleu-principal);
    opacity: 0.1;
    animation: decorMove 22s infinite alternate-reverse;
}

@keyframes decorMove {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }
    50% {
        transform: translate(30px, -20px) rotate(10deg);
    }
    100% {
        transform: translate(-30px, 20px) rotate(-10deg);
    }
}

/* ===== TYPOGRAPHIE ===== */
h1 {
    color: var(--bleu-principal);
    font-size: 36px;
    font-weight: 800;
    margin-top: 0;
    margin-bottom: var(--spacing-xl);
    position: relative;
    display: inline-block;
    z-index: 5;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    animation: titleAppear 1.2s ease-out;
}

h1::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-orange-bleu);
    border-radius: var(--border-radius-petit);
    transform: scaleX(0);
    transform-origin: left;
    animation: lineGrow 1s ease-out 0.5s forwards;
}

h1::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 4px;
    background: var(--orange-principal);
    border-radius: var(--border-radius-petit);
    animation: dotMove 3s ease-in-out infinite;
}

@keyframes titleAppear {
    0% {
        opacity: 0;
        transform: translateX(-20px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes lineGrow {
    to { transform: scaleX(1); }
}

@keyframes dotMove {
    0%, 100% { left: 0; }
    50% { left: calc(100% - 30px); }
}

h2 {
    color: var(--bleu-principal);
    font-size: 24px;
    font-weight: 700;
    margin-top: var(--spacing-xxl);
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-md);
    position: relative;
    z-index: 5;
    animation: slideIn 0.8s ease-out;
}

h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: var(--gradient-bleu-orange);
    border-radius: var(--border-radius-petit);
    animation: pulseHeight 2s ease-in-out infinite;
}

@keyframes slideIn {
    0% {
        opacity: 0;
        transform: translateX(-20px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulseHeight {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.1); }
}

/* ===== BADGE THÈME ===== */
.badge-theme {
    display: inline-block;
    background: var(--bleu-principal);
    color: var(--blanc-pur);
    padding: 8px 20px;
    border-radius: var(--border-radius-rond);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xl);
    border: 2px solid var(--orange-principal);
    box-shadow: var(--ombre-douce);
    position: relative;
    z-index: 5;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 5px 15px var(--orange-transparent);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 8px 25px var(--orange-lueur);
    }
}

/* ===== ÉTIQUETTES ===== */
label {
    color: var(--bleu-principal);
    font-size: 16px;
    font-weight: 600;
    display: block;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.3px;
    transition: var(--transition-rapide);
}

.champ-groupe:hover label {
    color: var(--orange-principal);
    transform: translateX(5px);
}

.required::after {
    content: '*';
    color: var(--orange-principal);
    margin-left: var(--spacing-xs);
    font-size: 18px;
    font-weight: 700;
    animation: starPulse 1.5s ease-in-out infinite;
}

@keyframes starPulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* ===== CHAMPS DE SAISIE ===== */
.input-wrapper {
    position: relative;
    width: 100%;
}

.input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--bleu-principal);
    font-size: 18px;
    transition: var(--transition-moyenne);
    pointer-events: none;
}

textarea + .input-icon {
    top: 25px;
    transform: none;
}

input, textarea, select {
    width: 100%;
    padding: 14px 18px 14px 45px;
    border: 2px solid var(--gris-clair);
    border-radius: var(--border-radius-moyen);
    font-size: 15px;
    background: var(--blanc-pur);
    transition: var(--transition-moyenne);
    font-family: inherit;
    position: relative;
    z-index: 1;
}

textarea {
    padding: 14px 18px 14px 45px;
    min-height: 120px;
    resize: vertical;
}

/* Effet de focus */
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--bleu-principal);
    box-shadow: 
        0 0 0 4px var(--orange-transparent),
        0 0 20px var(--bleu-transparent);
    transform: translateY(-3px);
}

/* Effet de survol */
.input-wrapper:hover .input-icon {
    color: var(--orange-principal);
    transform: translateY(-50%) scale(1.1);
}

textarea:hover + .input-icon {
    transform: scale(1.1);
}

/* Animation de remplissage */
.input-wrapper::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-orange-bleu);
    border-radius: var(--border-radius-petit);
    transition: width 0.3s ease;
    z-index: 2;
}

.input-wrapper:focus-within::after {
    width: 100%;
}

/* ===== GROUPES DE CHAMPS ===== */
.champ-groupe {
    margin-bottom: var(--spacing-xl);
    position: relative;
    z-index: 5;
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.champ-groupe:nth-child(1) { animation-delay: 0.1s; }
.champ-groupe:nth-child(2) { animation-delay: 0.2s; }
.champ-groupe:nth-child(3) { animation-delay: 0.3s; }
.champ-groupe:nth-child(4) { animation-delay: 0.4s; }
.champ-groupe:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== SYSTÈME DE GRILLE ===== */
.row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.col {
    flex: 1 1 250px;
}

/* ===== GROUPES RADIO ===== */
.radio-group {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 2px solid var(--bleu-principal);
    border-radius: var(--border-radius-grand);
    padding: var(--spacing-xl) var(--spacing-xxl);
    display: flex;
    flex-wrap: wrap;
    gap: 30px 40px;
    align-items: center;
    margin-top: var(--spacing-sm);
    box-shadow: var(--ombre-bleue);
    position: relative;
    z-index: 5;
    overflow: hidden;
}

.radio-group::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: var(--gradient-transparent);
    animation: rotate 10s linear infinite;
    z-index: -1;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--gris-moyen);
    cursor: pointer;
    padding: 8px 20px 8px 8px;
    border-radius: var(--border-radius-rond);
    transition: var(--transition-moyenne);
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    border: 1px solid transparent;
}

.radio-option:hover {
    background: var(--orange-transparent);
    border-color: var(--orange-principal);
    transform: translateX(5px);
    box-shadow: var(--ombre-orange);
}

.radio-option input[type="radio"] {
    width: 22px;
    height: 22px;
    accent-color: var(--orange-principal);
    margin: 0;
    flex-shrink: 0;
    cursor: pointer;
    transition: var(--transition-rapide);
}

.radio-option input[type="radio"]:checked {
    accent-color: var(--bleu-principal);
    animation: radioPulse 0.5s ease-out;
}

@keyframes radioPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* ===== BOUTON PRINCIPAL ===== */
.btn-wrapper {
    position: relative;
    display: inline-block;
    margin-top: var(--spacing-xxl);
    z-index: 5;
}

.btn-enregistrer {
    background: var(--gradient-orange-bleu);
    color: var(--blanc-pur);
    border: none;
    border-radius: var(--border-radius-rond);
    padding: 18px 40px;
    font-size: 18px;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition-moyenne);
    display: inline-block;
    border: 2px solid transparent;
    box-shadow: var(--ombre-orange);
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
    overflow: hidden;
    text-transform: uppercase;
    animation: buttonGlow 2s ease-in-out infinite;
}

@keyframes buttonGlow {
    0%, 100% {
        box-shadow: 0 5px 20px var(--orange-lueur);
    }
    50% {
        box-shadow: 0 10px 30px var(--bleu-lueur);
    }
}

.btn-enregistrer::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: var(--border-radius-cercle);
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: -1;
}

.btn-enregistrer:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: var(--blanc-pur);
    box-shadow: 0 15px 35px rgba(247, 148, 29, 0.4);
}

.btn-enregistrer:hover::before {
    width: 300px;
    height: 300px;
}

.btn-enregistrer:active {
    transform: translateY(-2px) scale(0.98);
}

/* Effet de particules au clic */
.btn-enregistrer:active::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    background: var(--blanc-pur);
    border-radius: var(--border-radius-cercle);
    box-shadow: 
        20px -20px 0 var(--orange-principal),
        -20px 20px 0 var(--bleu-principal),
        20px 20px 0 var(--orange-principal),
        -20px -20px 0 var(--bleu-principal);
    animation: particles 0.8s ease-out forwards;
    z-index: 10;
}

@keyframes particles {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0) rotate(360deg);
    }
}

/* ===== SÉPARATEUR ===== */
.separateur {
    height: 2px;
    background: var(--gradient-arc-en-ciel);
    background-size: 200% 100%;
    margin: var(--spacing-xxl) 0;
    opacity: 0.8;
    border: none;
    animation: separatorMove 3s linear infinite;
}

@keyframes separatorMove {
    0% { background-position: 0% 0; }
    100% { background-position: 200% 0; }
}

/* ===== NOTE D'INFORMATION ===== */
.info-note {
    color: var(--bleu-principal);
    font-style: italic;
    margin: var(--spacing-lg) 0;
    font-size: 14px;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border-radius: var(--border-radius-moyen);
    border-left: 5px solid var(--orange-principal);
    box-shadow: var(--ombre-douce);
    position: relative;
    overflow: hidden;
}

.info-note::before {
    content: 'ℹ️';
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    opacity: 0.3;
    animation: infoSpin 5s linear infinite;
}

@keyframes infoSpin {
    from { transform: translateY(-50%) rotate(0deg); }
    to { transform: translateY(-50%) rotate(360deg); }
}

/* ===== LOADER ===== */
.loader {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--orange-transparent);
    border-top-color: var(--orange-principal);
    border-right-color: var(--bleu-principal);
    border-radius: var(--border-radius-cercle);
    animation: loaderSpin 1s linear infinite;
}

@keyframes loaderSpin {
    to { transform: rotate(360deg); }
}

/* ===== MESSAGES DE SUCCÈS/ERREUR ===== */
.success-message {
    background: linear-gradient(135deg, rgba(0, 255, 0, 0.1), rgba(0, 126, 164, 0.1));
    color: var(--bleu-principal);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-moyen);
    border-left: 5px solid #00c851;
    margin: var(--spacing-md) 0;
    animation: slideInRight 0.5s ease-out;
}

.error-message {
    background: linear-gradient(135deg, rgba(247, 148, 29, 0.1), rgba(255, 0, 0, 0.1));
    color: var(--orange-principal);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-moyen);
    border-left: 5px solid #ff4444;
    margin: var(--spacing-md) 0;
    animation: slideInRight 0.5s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media screen and (max-width: 768px) {
    body {
        padding: var(--spacing-sm);
    }
    
    .conteneur1 {
        padding: var(--spacing-xl);
        margin: var(--spacing-sm);
    }
    
    h1 {
        font-size: 28px;
    }
    
    h2 {
        font-size: 22px;
    }
    
    .radio-group {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
    }
    
    .btn-enregistrer {
        width: 100%;
        text-align: center;
        padding: 16px 20px;
        font-size: 16px;
    }
    
    .row {
        gap: var(--spacing-md);
    }
    
    .glow-circle {
        width: 200px !important;
        height: 200px !important;
        filter: blur(40px) !important;
    }
}

@media screen and (max-width: 480px) {
    .conteneur1 {
        padding: var(--spacing-lg);
    }
    
    h1 {
        font-size: 24px;
    }
    
    .badge-theme {
        font-size: 12px;
        padding: 6px 15px;
    }
    
    input, textarea, select {
        padding: 12px 12px 12px 40px;
    }
    
    .particle {
        display: none;
    }
}

/* ===== ACCESSIBILITÉ ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 3px solid var(--orange-principal);
    outline-offset: 3px;
}

/* ===== SCROLLBAR PERSONNALISÉE ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gris-tres-clair);
    border-radius: var(--border-radius-petit);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--orange-principal), var(--bleu-principal));
    border-radius: var(--border-radius-petit);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--orange-fonce), var(--bleu-fonce));
}