:root {
    --navy:         #051937;
    --navy-deep:    #020e22;
    --navy-card:    #0b1c36;
    --cyan:         #00C2FF;
    --cyan-dim:     rgba(0, 194, 255, 0.12);
    --cyan-border:  rgba(0, 194, 255, 0.25);
    --silver:       #E5E7EB;
    --white:        #FFFFFF;
    --error:        #ff4d6d;
    --error-dim:    rgba(255, 77, 109, 0.12);
}

body {
    background: linear-gradient(135deg, #020e22 0%, #051937 50%, #071f42 100%);
    min-height: 100vh;
    font-family: 'Inter', sans-serif;
    color: var(--silver);
}

/* ── Fond animé ── */
.register-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.register-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,194,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,194,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(130px);
    animation: pulse-glow 7s ease-in-out infinite;
}

.bg-glow-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(0,194,255,0.13) 0%, transparent 70%);
    top: -150px; left: -100px;
}

.bg-glow-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(0,50,180,0.18) 0%, transparent 70%);
    bottom: -100px; right: -80px;
    animation-delay: 3.5s;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50%       { opacity: 1;   transform: scale(1.1); }
}

/* ── Layout ── */
.register-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
}

.register-container {
    width: 100%;
    max-width: 520px;
    animation: fade-up 0.7s ease both;
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Header ── */
.register-header {
    text-align: center;
    margin-bottom: 2rem;
}

.register-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 1.5rem;
    text-decoration: none;
}

.register-logo-text {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: 1.8rem;
    color: var(--white);
    letter-spacing: -0.03em;
    line-height: 1;
}

.register-logo-dot { color: var(--cyan); }

.register-logo-badge {
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    background: var(--cyan-dim);
    border: 1px solid var(--cyan-border);
    color: var(--cyan);
    padding: 3px 8px;
    border-radius: 4px;
    align-self: flex-start;
    margin-top: 6px;
}

.register-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.55rem;
    color: var(--white);
    margin-bottom: 0.4rem;
    letter-spacing: -0.02em;
}

.register-subtitle {
    font-size: 0.85rem;
    color: var(--silver);
    opacity: 0.55;
    margin: 0;
}

/* ── Card ── */
.register-card {
    background: var(--navy-card);
    border: 1px solid rgba(0,194,255,0.13);
    border-radius: 16px;
    padding: 2.2rem 2.4rem;
    box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(0,194,255,0.05);
    position: relative;
    overflow: hidden;
}

/* Reflet subtil en haut */
.register-card::before {
    content: '';
    position: absolute;
    top: 0; left: 10%; right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,194,255,0.4), transparent);
}

/* ── Notice validation admin ── */
.validation-notice {
    display: flex;
    gap: 12px;
    background: rgba(0,194,255,0.07);
    border: 1px solid rgba(0,194,255,0.22);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 1.8rem;
}

.validation-notice-icon {
    width: 25px; height: 25px;
    background: rgba(0,194,255,0.12);
    border: 1px solid rgba(0,194,255,0.3);
    border-radius: 8px;
}

.validation-notice-body {}

.validation-notice-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--cyan);
    letter-spacing: 0.04em;
    margin-bottom: 2px;
}

.validation-notice-text {
    font-size: 0.75rem;
    color: var(--silver);
    opacity: 0.6;
    line-height: 1.55;
    margin: 0;
}

/* Étapes visuelles */
.validation-steps {
    display: flex;
    align-items: center;
    gap: 0;
    margin-top: 0.8rem;
}

.vstep {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.vstep-dot {
    width: 26px; height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 700;
}

.vstep-dot.active {
    background: var(--cyan);
    color: #021225;
}

.vstep-dot.pending {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.15);
    color: var(--silver);
    opacity: 0.5;
}

.vstep-label {
    font-size: 0.58rem;
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--silver);
    opacity: 0.45;
    max-width: 55px;
    line-height: 1.3;
}

.vstep-label.active {
    color: var(--cyan);
    opacity: 0.9;
}

.vstep-connector {
    flex: 0 0 20px;
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin-bottom: 18px;
}

.vstep-connector.done {
    background: var(--cyan);
    opacity: 0.4;
}

/* ── Form fields ── */
.form-section-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--cyan);
    opacity: 0.75;
    margin-bottom: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(0,194,255,0.12);
}

/* Override Bootstrap form controls pour le dark theme */
.register-card .form-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--silver);
    opacity: 0.8;
    margin-bottom: 6px;
}

.register-card .form-control {
    background: rgba(5, 25, 55, 0.6) !important;
    border: 1px solid rgba(255,255,255,0.1) !important;
    border-radius: 8px !important;
    color: var(--white) !important;
    font-size: 0.88rem;
    padding: 10px 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.register-card .form-control::placeholder {
    color: rgba(229,231,235,0.3);
}

.register-card .form-control:focus {
    background: rgba(5, 25, 55, 0.8) !important;
    border-color: rgba(0,194,255,0.5) !important;
    box-shadow: 0 0 0 3px rgba(0,194,255,0.1) !important;
    outline: none;
}

.register-card .form-control.is-invalid {
    border-color: var(--error) !important;
    box-shadow: none !important;
}

.register-card .form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px var(--error-dim) !important;
}

.register-card .invalid-feedback {
    font-size: 0.75rem;
    color: var(--error);
}

/* Erreurs globales du form */
.register-card .form-errors,
.register-card ul.form-error {
    background: var(--error-dim);
    border: 1px solid rgba(255,77,109,0.3);
    border-radius: 8px;
    padding: 10px 14px;
    margin-bottom: 1.2rem;
    font-size: 0.8rem;
    color: var(--error);
    list-style: none;
}

/* ── Séparateur ── */
.form-divider {
    height: 1px;
    background: rgba(255,255,255,0.07);
    margin: 1.6rem 0;
}

/* ── Bouton submit ── */
.btn-register {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    background: linear-gradient(135deg, var(--cyan) 0%, #0099dd 100%);
    color: #021225;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 0.92rem;
    padding: 13px 24px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    letter-spacing: 0.02em;
    transition: all 0.25s ease;
    box-shadow: 0 4px 20px rgba(0,194,255,0.3);
    position: relative;
    overflow: hidden;
}

.btn-register::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
    opacity: 0;
    transition: opacity 0.25s;
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,194,255,0.45);
}

.btn-register:hover::before { opacity: 1; }

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

/* ── Lien login ── */
.register-login-link {
    text-align: center;
    margin-top: 1.6rem;
    font-size: 0.82rem;
    color: var(--silver);
    opacity: 0.55;
}

.register-login-link a {
    color: var(--cyan);
    opacity: 1;
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s;
}

.register-login-link a:hover { opacity: 0.75; }

/* ── Mobile ── */
@media (max-width: 575.98px) {
    .register-card { padding: 1.6rem 1.4rem; }
    .register-title { font-size: 1.3rem; }
    .validation-steps { display: none; }
}