:root {
    --sidnet-primary: #008080; /* Teal Malien */
    --sidnet-accent: #D4AF37;  /* Gold */
    --sidnet-bg: #0a0b1e;      /* Deep Navy */
    --sidnet-glass: rgba(255, 255, 255, 0.05);
    --sidnet-border: rgba(255, 255, 255, 0.1);
    --text-white: #ffffff;
    --text-dim: rgba(255, 255, 255, 0.6);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

body {
    background-color: var(--sidnet-bg);
    color: var(--text-white);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: radial-gradient(circle at top right, rgba(0, 128, 128, 0.15), transparent),
                radial-gradient(circle at bottom left, rgba(212, 175, 55, 0.05), transparent);
}

.onboarding-container {
    max-width: 900px;
    width: 95%;
    margin: 60px auto;
    padding: 40px;
    background: var(--sidnet-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--sidnet-border);
    border-radius: 30px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
}

/* Stepper Header */
.stepper-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 50px;
    position: relative;
}

.stepper-header::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--sidnet-border);
    z-index: 1;
}

.step-item {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--sidnet-bg);
    border: 2px solid var(--sidnet-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.step-item.active .step-number {
    border-color: var(--sidnet-primary);
    background: var(--sidnet-primary);
    box-shadow: 0 0 20px rgba(0, 128, 128, 0.4);
}

.step-item.completed .step-number {
    border-color: var(--sidnet-accent);
    color: var(--sidnet-accent);
}

.step-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
    font-weight: 700;
}

.step-item.active .step-label {
    color: var(--text-white);
}

/* Form Styles */
.step-content {
    display: none;
    animation: fadeIn 0.6s ease-out;
}

.step-content.active {
    display: block;
}

h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    background: linear-gradient(to right, #fff, var(--sidnet-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sub-title {
    color: var(--text-dim);
    margin-bottom: 35px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 0.85rem;
    font-weight: 600;
}

input, select, textarea {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--sidnet-border);
    padding: 12px 18px;
    border-radius: 12px;
    color: white;
    outline: none;
    transition: 0.3s;
}

input:focus, select:focus {
    border-color: var(--sidnet-primary);
    background: rgba(255, 255, 255, 0.08);
}

/* Choice Cards (Type d'agent) */
.choice-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.choice-card {
    background: rgba(255, 255, 255, 0.02);
    border: 2px solid var(--sidnet-border);
    padding: 25px;
    border-radius: 20px;
    cursor: pointer;
    transition: 0.3s;
    text-align: center;
}

.choice-card:hover {
    border-color: var(--sidnet-primary);
    background: rgba(0, 128, 128, 0.05);
}

.choice-card.selected {
    border-color: var(--sidnet-primary);
    background: rgba(0, 128, 128, 0.1);
}

.choice-card i {
    font-size: 2rem;
    color: var(--sidnet-primary);
    margin-bottom: 15px;
}

/* Nav Buttons */
.form-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--sidnet-border);
}

.btn-back {
    background: transparent;
    border: 1px solid var(--sidnet-border);
    color: var(--text-white);
    padding: 12px 30px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
}

.btn-next {
    background: var(--sidnet-primary);
    border: none;
    color: white;
    padding: 12px 40px;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 700;
    box-shadow: 0 10px 20px rgba(0, 128, 128, 0.3);
}

.btn-next:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(0, 128, 128, 0.4);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Asset Item */
.asset-item {
    background: rgba(255,255,255,0.02);
    padding: 15px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}