:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --card-bg: rgba(255, 255, 255, 0.94);
    --text-main: #1f2937;
    --text-muted: #4b5563;
    --text-light: #9ca3af;
    --border-focus: #3b82f6;
    --success: #10b981;
    --error: #ef4444;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.signup-wrapper {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background-color: #0f172a;
    overflow: hidden;
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.signup-wrapper .blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    z-index: 0;
    opacity: 0.35;
    pointer-events: none;
}

.signup-wrapper .blob-1 { top: -100px; left: -100px; width: 450px; height: 450px; background: #3b82f6; }
.signup-wrapper .blob-2 { bottom: -150px; right: -100px; width: 500px; height: 500px; background: #6366f1; }
.signup-wrapper .blob-3 { top: 30%; right: 15%; width: 300px; height: 300px; background: #ec4899; opacity: 0.15; }

.signup-wrapper .register-container {
    background-color: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    width: 100%;
    max-width: 600px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
    padding: 40px;
    position: relative;
    z-index: 1;
    animation: fadeIn 0.4s ease-out;
}

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

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

.signup-wrapper .header { text-align: center; margin-bottom: 32px; }

.signup-wrapper .logo-placeholder {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 16px;
    color: #1e1b4b;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.signup-wrapper .logo-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
}

.signup-wrapper .header h1 {
    font-size: 24px;
    color: var(--text-main);
    font-weight: 700;
    margin-bottom: 8px;
}

.signup-wrapper .header p {
    font-size: 14px;
    color: var(--text-muted);
}

.signup-wrapper .steps-indicator {
    display: flex;
    justify-content: space-between;
    margin-bottom: 32px;
    position: relative;
}

.signup-wrapper .steps-indicator::before {
    content: '';
    position: absolute;
    top: 14px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: rgba(0, 0, 0, 0.05);
    z-index: 1;
}

.signup-wrapper .step-progress {
    position: absolute;
    top: 14px;
    left: 0;
    height: 2px;
    background-color: var(--primary);
    z-index: 1;
    transition: width 0.3s ease;
}

.signup-wrapper .step-dot {
    width: 30px;
    height: 30px;
    background-color: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light);
    z-index: 2;
    transition: all 0.3s ease;
}

.signup-wrapper .step-dot.active {
    border-color: var(--primary);
    background-color: var(--primary);
    color: white;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.signup-wrapper .step-dot.completed {
    border-color: var(--success);
    background-color: var(--success);
    color: white;
}

.signup-wrapper .form-step { display: none; }
.signup-wrapper .form-step.active { display: block; }

.signup-wrapper .step-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.signup-wrapper .form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.signup-wrapper .full-width { grid-column: span 2; }

@media (max-width: 480px) {
    .signup-wrapper .form-grid > div { grid-column: span 2; }
}

.signup-wrapper .form-group { margin-bottom: 4px; }

.signup-wrapper label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 6px;
}

.signup-wrapper label .required { color: var(--error); }

.signup-wrapper input,
.signup-wrapper select {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    color: var(--text-main);
    background-color: #fff;
    outline: none;
    transition: all 0.2s ease;
    font-family: inherit;
}

.signup-wrapper input:focus,
.signup-wrapper select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.signup-wrapper input::placeholder { color: #d1d5db; }

.signup-wrapper .checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    margin-top: 8px;
}

.signup-wrapper .checkbox-group input[type="checkbox"] { width: auto; margin-top: 2px; }

.signup-wrapper .checkbox-group label {
    font-size: 13px;
    line-height: 1.4;
    color: var(--text-muted);
}

.signup-wrapper .checkbox-group a {
    color: var(--primary);
    text-decoration: none;
}

.signup-wrapper .checkbox-group a:hover { text-decoration: underline; }

.signup-wrapper .validation-message {
    color: var(--error);
    font-size: 12px;
    margin-top: 4px;
    font-weight: 500;
}

.signup-wrapper .password-requirements {
    margin-top: 8px;
    padding: 10px 12px;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.signup-wrapper .req {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-light);
    transition: color 0.2s;
    margin-bottom: 4px;
}

.signup-wrapper .req:last-child { margin-bottom: 0; }
.signup-wrapper .req.met { color: var(--success); }

.signup-wrapper .req-icon { font-size: 13px; font-weight: 700; }

.signup-wrapper .form-actions {
    margin-top: 32px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.signup-wrapper .btn {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    flex: 1;
    border: none;
    font-family: inherit;
}

.signup-wrapper .btn-primary {
    background-color: var(--primary);
    color: white;
}

.signup-wrapper .btn-primary:hover { background-color: var(--primary-hover); }

.signup-wrapper .btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.signup-wrapper .btn-secondary {
    background-color: transparent;
    color: var(--text-muted);
    border: 1px solid #d1d5db;
}

.signup-wrapper .btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.03);
    color: var(--text-main);
}

.signup-wrapper .footer-link {
    text-align: center;
    margin-top: 24px;
    font-size: 13px;
    color: var(--text-muted);
}

.signup-wrapper .footer-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.signup-wrapper .footer-link a:hover { text-decoration: underline; }

.signup-wrapper .copyright {
    text-align: center;
    margin-top: 32px;
    font-size: 11px;
    color: #94a3b8;
}

.signup-wrapper .alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    border-radius: 8px;
    padding: 12px 16px;
    margin-top: 16px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.signup-wrapper .spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
}

.signup-wrapper .input-group { display: flex; align-items: stretch; }

.signup-wrapper .input-group input {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    flex: 1;
    font-family: inherit;
}

.signup-wrapper .btn-toggle-pw {
    padding: 10px 14px;
    border: 1px solid #d1d5db;
    border-left: none;
    border-radius: 0 8px 8px 0;
    background: #fff;
    color: var(--text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
    font-size: 16px;
}

.signup-wrapper .btn-toggle-pw:hover { color: var(--text-main); }

.signup-wrapper .disabled-state { text-align: center; padding: 20px 0; }

.signup-wrapper .disabled-state .disabled-icon {
    font-size: 3rem;
    color: #6259ca;
    margin-bottom: 16px;
}

.signup-wrapper .disabled-state h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 8px;
}

.signup-wrapper .disabled-state p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}