:root {
    --primary-color: #0f4c81;
    --secondary-color: #1e88e5;
    --accent-color: #00b894;
    --bg-gradient: linear-gradient(135deg, #f0f4f8 0%, #d9e2ec 100%);
}

body {
    background: var(--bg-gradient);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    padding: 25px 10px;
    color: #1e293b;
}

.wizard-card {
    max-width: 880px;
    margin: 0 auto;
    background: #ffffff;
    border-radius: 18px;
    box-shadow: 0 15px 35px rgba(15, 76, 129, 0.12);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.8);
}

.wizard-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 28px 30px;
    text-align: center;
}

.wizard-header h1 {
    font-size: 1.65rem;
    font-weight: 700;
    margin-bottom: 6px;
    letter-spacing: -0.3px;
}

.wizard-header p {
    font-size: 0.92rem;
    opacity: 0.9;
    margin: 0;
}

.stepper-wrapper {
    display: flex;
    justify-content: space-between;
    padding: 25px 35px 15px;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    position: relative;
}

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

.stepper-item::before {
    position: absolute;
    content: "";
    border-bottom: 3px solid #cbd5e1;
    width: 100%;
    top: 20px;
    left: -50%;
    z-index: -1;
    transition: all 0.3s ease;
}

.stepper-item:first-child::before {
    content: none;
}

.step-counter {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #ffffff;
    border: 3px solid #cbd5e1;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    color: #64748b;
    margin-bottom: 8px;
    transition: all 0.3s ease;
    font-size: 1.1rem;
}

.step-name {
    font-size: 0.78rem;
    font-weight: 600;
    color: #64748b;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stepper-item.active .step-counter {
    border-color: var(--secondary-color);
    background-color: var(--secondary-color);
    color: #ffffff;
    box-shadow: 0 0 0 5px rgba(30, 136, 229, 0.2);
}

.stepper-item.active .step-name {
    color: var(--primary-color);
    font-weight: 700;
}

.stepper-item.completed .step-counter {
    border-color: var(--accent-color);
    background-color: var(--accent-color);
    color: #ffffff;
}

.stepper-item.completed::before {
    border-bottom-color: var(--accent-color);
}

.form-step {
    display: none;
    padding: 30px 35px;
    animation: fadeIn 0.35s ease-in-out;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.step-banner {
    background: #f1f5f9;
    border-left: 5px solid var(--secondary-color);
    padding: 12px 18px;
    border-radius: 6px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.step-banner i {
    font-size: 1.4rem;
    color: var(--primary-color);
}

.step-banner h4 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-color);
}

.step-banner small {
    color: #475569;
    display: block;
    font-size: 0.82rem;
}

.form-label {
    font-weight: 600;
    font-size: 0.86rem;
    color: #334155;
    margin-bottom: 6px;
}

.req {
    color: #ef4444;
    font-weight: bold;
}

.form-control, .form-select {
    border-radius: 8px;
    border: 1.5px solid #cbd5e1;
    padding: 10px 14px;
    font-size: 0.94rem;
    transition: all 0.2s;
    background-color: #fcfcfd;
}

.uppercase-input {
    text-transform: uppercase;
}

.form-control:focus, .form-select:focus {
    border-color: var(--secondary-color);
    background-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(30, 136, 229, 0.15);
}

.input-group-text {
    background-color: #f1f5f9;
    border: 1.5px solid #cbd5e1;
    color: #475569;
}

.upload-box {
    border: 2px dashed #94a3b8;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    background: #f8fafc;
    transition: all 0.25s;
}

.upload-box:hover {
    border-color: var(--secondary-color);
    background: #f0f7ff;
}

.preview-img {
    max-height: 150px;
    border-radius: 8px;
    margin-top: 12px;
    display: none;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    border: 2px solid #fff;
}

.wizard-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.btn-wizard {
    padding: 11px 28px;
    font-weight: 600;
    border-radius: 8px;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-next {
    background-color: var(--secondary-color);
    color: white;
    border: none;
}

.btn-next:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

.btn-prev {
    background-color: #e2e8f0;
    color: #334155;
    border: none;
}

.btn-prev:hover {
    background-color: #cbd5e1;
}

.btn-finish {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 12px 35px;
    font-size: 1.05rem;
}

.btn-finish:hover {
    background-color: #009e7f;
    color: white;
    transform: translateY(-1px);
}

@media (max-width: 576px) {
    .form-step { padding: 20px 18px; }
    .stepper-wrapper { padding: 15px 10px; }
    .step-name { font-size: 0.65rem; }
}