.signup-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: 40px 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #f3f4f6 100%);
}

.signup-card {
    background: white;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 580px;
    padding: 40px;
    position: relative;
    border: 1px solid var(--gray-200);
}

.step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
}

.step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-300);
    transition: var(--transition);
}

.step-dot.active {
    width: 30px;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.step1-content { display: block; }
.step2-content { display: none; }

.signup-header {
    text-align: center;
    margin-bottom: 24px;
}

.signup-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.signup-header p {
    color: var(--gray-600);
    font-size: 14px;
    line-height: 1.6;
}

.ssl-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
    padding: 8px 16px;
    background: var(--gray-100);
    border-radius: 40px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.badge-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.badge-text {
    font-size: 13px;
    color: var(--gray-700);
}
.badge-text span { color: var(--primary); font-weight: 600; }

.signup-option {
    width: 100%;
    padding: 16px;
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 12px;
}
.signup-option:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.option-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}
.option-content { flex: 1; text-align: left; }
.option-title { font-weight: 700; color: var(--dark); margin-bottom: 4px; font-size: 16px; }
.option-subtitle { color: var(--gray-500); font-size: 13px; }
.option-arrow { color: var(--gray-400); font-size: 20px; }

.login-link, .terms-text {
    text-align: center;
    font-size: 14px;
    color: var(--gray-600);
}
.login-link a, .terms-text a { color: var(--primary); text-decoration: none; font-weight: 600; }
.login-link a:hover, .terms-text a:hover { text-decoration: underline; }
.terms-text { font-size: 12px; margin-top: 12px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; position: relative; }
.form-group label { display: block; margin-bottom: 6px; color: var(--dark); font-weight: 600; font-size: 13px; }
.form-group input, .form-group select {
    width: 100%; padding: 12px 16px; border: 2px solid var(--gray-200); border-radius: 12px;
    font-size: 14px; transition: var(--transition); font-family: 'Inter', sans-serif;
}
.form-group input:focus, .form-group select:focus {
    border-color: var(--primary); box-shadow: 0 0 0 4px rgba(218, 11, 78, 0.1); outline: none;
}

/* Password toggle button */
.password-wrapper {
    position: relative;
}
.toggle-password {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--gray-500);
    background: white;
    padding: 0;
    z-index: 2;
    font-size: 18px;
}
.toggle-password:hover {
    color: var(--primary);
}

.password-requirements {
    margin-top: 12px; padding: 16px; background: var(--gray-100); border-radius: 12px;
    border-left: 3px solid var(--gray-300);
}
.requirement-title {
    font-weight: 600; color: var(--dark); margin-bottom: 10px; font-size: 13px;
    display: flex; align-items: center; gap: 8px;
}
.password-strength { font-size: 11px; padding: 2px 8px; border-radius: 20px; background: var(--gray-200); color: var(--gray-600); }
.password-strength.weak { background: #ffebee; color: var(--danger); }
.password-strength.medium { background: #fff3e0; color: #f57c00; }
.password-strength.strong { background: #e8f5e9; color: var(--success); }
.requirement-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.requirement-list li { font-size: 12px; color: var(--gray-600); display: flex; align-items: center; gap: 6px; transition: all 0.2s ease; padding: 4px 8px; border-radius: 6px; }
.requirement-list li i { font-size: 10px; width: 16px; color: var(--gray-400); }
.requirement-list li.valid { color: var(--success); background: rgba(76, 175, 80, 0.1); }
.requirement-list li.valid i { color: var(--success); }

.mobile-section {
    margin: 20px 0; padding: 20px; background: linear-gradient(135deg, #f8f9fa, #ffffff);
    border-radius: 16px; border: 1px solid var(--gray-200);
}
.mobile-section h3 { font-family: 'Poppins', sans-serif; font-size: 16px; font-weight: 600; color: var(--dark); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }

.phone-input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}
.country-code-select {
    width: 140px;
    flex-shrink: 0;
}
.country-code-select select {
    width: 100%;
    padding: 12px 8px;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 14px;
    background: white;
    cursor: pointer;
}
.phone-number-input {
    flex: 1;
}
.phone-number-input input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 14px;
}

.mobile-format {
    font-size: 12px;
    color: var(--gray-500);
    margin: 8px 0 12px 0;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.mobile-format span {
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
}
.format-hint {
    background: var(--gray-100);
    padding: 4px 10px;
    border-radius: 20px;
    font-family: monospace;
    font-size: 11px;
}
.full-number-preview {
    font-size: 12px;
    background: var(--gray-100);
    padding: 6px 12px;
    border-radius: 20px;
    display: inline-block;
    margin-top: 6px;
    color: var(--gray-600);
}
.full-number-preview strong {
    color: var(--primary);
    font-family: monospace;
}

.consent-group {
    margin: 16px 0 8px; padding: 16px; background: white; border-radius: 12px; border: 1px solid var(--gray-200);
}
.consent-checkbox { display: flex; align-items: flex-start; gap: 12px; }
.consent-checkbox input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--primary); }
.consent-checkbox label { font-size: 13px; color: var(--gray-700); line-height: 1.5; }
.learn-more { color: var(--primary); text-decoration: none; font-size: 13px; font-weight: 500; display: inline-block; margin-top: 8px; margin-left: 30px; cursor: pointer; }

.tutor-field { display: none; animation: slideDown 0.3s ease; margin-bottom: 16px; }
.tutor-field.show { display: block; }

.referral-code-container {
    margin-top: 12px;
    animation: fadeInUp 0.25s ease;
}
.referral-code-container input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    font-size: 14px;
    background: #fffaf0;
}
.referral-label {
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 6px;
    display: block;
    color: var(--dark);
}

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

.recaptcha-section {
    margin: 20px 0; padding: 16px; background: #fff8e7; border-radius: 12px; text-align: center; border: 1px solid #ffe0b2;
}
.signup-btn {
    width: 100%; padding: 15px; background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white; border: none; border-radius: 14px; font-size: 16px; font-weight: 600; cursor: pointer;
    transition: var(--transition); font-family: 'Poppins', sans-serif; margin: 20px 0;
}
.signup-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 15px rgba(218, 11, 78, 0.3); }
.back-btn {
    background: none; border: none; color: var(--gray-600); font-size: 14px; cursor: pointer;
    display: flex; align-items: center; gap: 8px; margin-bottom: 20px; transition: var(--transition);
}
.back-btn:hover { color: var(--primary); transform: translateX(-5px); }

.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center; z-index: 3000;
    visibility: hidden; opacity: 0; transition: all 0.2s ease;
}
.modal-overlay.active {
    visibility: visible; opacity: 1;
}
.modal-container {
    background: white; max-width: 500px; width: 90%; border-radius: 28px;
    box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5); overflow: hidden;
    transform: scale(0.95); transition: transform 0.2s ease;
}
.modal-overlay.active .modal-container {
    transform: scale(1);
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 24px; border-bottom: 1px solid var(--gray-200);
    background: linear-gradient(135deg, #fff5f8, white);
}
.modal-header h3 { font-size: 1.35rem; font-weight: 700; color: var(--primary); margin: 0; }
.modal-close { background: none; border: none; font-size: 26px; cursor: pointer; color: var(--gray-500); transition: 0.2s; }
.modal-close:hover { color: var(--danger); }
.modal-body {
    padding: 24px; max-height: 60vh; overflow-y: auto;
    font-size: 14px; color: var(--gray-700); line-height: 1.5;
}
.modal-body ul { margin: 12px 0 12px 20px; }
.modal-footer {
    padding: 16px 24px; border-top: 1px solid var(--gray-200);
    text-align: right;
}
.modal-footer button {
    background: var(--primary); color: white; border: none;
    padding: 8px 20px; border-radius: 40px; font-weight: 600; cursor: pointer;
}

.loading-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.9); align-items: center; justify-content: center; z-index: 2000;
}
.spinner { width: 50px; height: 50px; border: 4px solid var(--gray-200); border-top-color: var(--primary); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.valid-phone {
    border-color: var(--success) !important;
    background: #f8fff9;
}
.invalid-phone {
    border-color: var(--danger) !important;
    background: #fff8f8;
}

@media (max-width: 480px) {
    .signup-card { padding: 30px 20px; }
    .form-row { grid-template-columns: 1fr; }
    .requirement-list { grid-template-columns: 1fr; }
    .phone-input-group { flex-direction: column; gap: 8px; }
    .country-code-select { width: 100%; }
}