/* =====================================================
   Authentication Pages Styles
   ===================================================== */

/* Auth Main */
.auth-main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(72px + 2rem) 1.5rem 2rem;
}

.auth-container {
    width: 100%;
    max-width: 520px;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Progress Steps */
.progress-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.step-number {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-tertiary);
    transition: all var(--transition-base);
}

.step.active .step-number,
.step.completed .step-number {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
}

.step.completed .step-number::after {
    content: '✓';
}

.step-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    transition: color var(--transition-base);
}

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

.step-line {
    flex: 1;
    height: 2px;
    background: var(--border-color);
    margin: 0 0.5rem;
    margin-bottom: 1.5rem;
    max-width: 60px;
    transition: background var(--transition-base);
}

.step.completed + .step-line {
    background: var(--accent-primary);
}

/* Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-step {
    display: none;
    flex-direction: column;
    gap: 1.25rem;
    animation: fadeIn 0.3s ease;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 0.95rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-primary-dim);
}

.form-input.error {
    border-color: #ff4757;
}

.form-input.success {
    border-color: var(--accent-green);
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238b95a5' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-error {
    font-size: 0.8rem;
    color: #ff4757;
    min-height: 1.2em;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* Password Input */
.password-input {
    position: relative;
}

.password-input .form-input {
    padding-right: 3rem;
}

.password-toggle {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 0.25rem;
    cursor: pointer;
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.password-toggle:hover {
    color: var(--text-primary);
}

.password-toggle svg {
    width: 20px;
    height: 20px;
}

/* Password Strength */
.password-strength {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.strength-bar {
    flex: 1;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.strength-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: var(--strength, 0%);
    background: var(--strength-color, var(--text-tertiary));
    transition: all var(--transition-base);
}

.strength-text {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    min-width: 60px;
}

/* Radio & Checkbox */
.radio-group {
    display: flex;
    gap: 1rem;
}

.radio-option,
.checkbox-option {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
}

.radio-option input,
.checkbox-option input {
    display: none;
}

.radio-box {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    position: relative;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.radio-box::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 10px;
    height: 10px;
    background: var(--accent-primary);
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

.radio-option input:checked + .radio-box {
    border-color: var(--accent-primary);
}

.radio-option input:checked + .radio-box::after {
    transform: translate(-50%, -50%) scale(1);
}

.checkbox-box {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-box::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    font-size: 12px;
    color: var(--bg-primary);
    transition: transform var(--transition-fast);
}

.checkbox-option input:checked + .checkbox-box {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.checkbox-option input:checked + .checkbox-box::after {
    transform: translate(-50%, -50%) scale(1);
}

.radio-label,
.checkbox-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.checkbox-label a {
    color: var(--accent-primary);
    text-decoration: underline;
}

/* Address Search */
.address-search {
    position: relative;
}

.address-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 8px 8px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 100;
    display: none;
}

.address-suggestions.active {
    display: block;
}

.address-suggestion {
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-fast);
}

.address-suggestion:last-child {
    border-bottom: none;
}

.address-suggestion:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.address-suggestion strong {
    color: var(--accent-primary);
}

/* VAT Input */
.vat-input {
    display: flex;
    gap: 0.75rem;
}

.vat-input .form-input {
    flex: 1;
}

.vat-validate-btn {
    padding: 0 1.25rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

.vat-validate-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.vat-validate-btn .spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

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

.vat-status {
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.vat-status.valid {
    color: var(--accent-green);
}

.vat-status.invalid {
    color: #ff4757;
}

.vat-status.pending {
    color: var(--accent-orange);
}

/* Info Box */
.info-box {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--accent-primary-dim);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    margin-top: 1rem;
}

.info-icon {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.info-content strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.info-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Registration Summary */
.registration-summary {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.summary-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.summary-grid {
    display: grid;
    gap: 0.75rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}

.summary-label {
    color: var(--text-tertiary);
}

.summary-value {
    color: var(--text-primary);
    font-weight: 500;
    text-align: right;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: 0.5rem;
}

.form-actions .btn {
    flex: 1;
}

.form-actions .btn-secondary {
    flex: 0 0 auto;
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--accent-primary);
    font-weight: 500;
}

/* Minimal Footer */
.footer-minimal {
    padding: 1.5rem 0;
    background: transparent;
    border-top: none;
}

.footer-minimal .footer-bottom {
    padding-top: 0;
    border-top: none;
}

.footer-minimal .footer-tech a {
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.footer-minimal .footer-tech a:hover {
    color: var(--accent-primary);
}

/* Login Page Specific */
.auth-card.login-card {
    max-width: 420px;
}

.forgot-password {
    text-align: right;
    margin-top: -0.5rem;
}

.forgot-password a {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    transition: color var(--transition-fast);
}

.forgot-password a:hover {
    color: var(--accent-primary);
}

.divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.divider span {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* Responsive */
@media (max-width: 768px) {
    .auth-card {
        padding: 1.5rem;
    }

    .progress-steps {
        padding: 1rem 0;
    }

    .step-label {
        display: none;
    }

    .step-line {
        margin-bottom: 0;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .radio-group {
        flex-direction: column;
    }

    .vat-input {
        flex-direction: column;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions .btn-secondary {
        flex: 1;
    }
}